Zavala County, Texas
Location in the state of Texas
Texas's location in the U.S.
Founded	1884
Named for	Lorenzo de Zavala
Seat	Crystal City
Largest city	Crystal City
Area
• Total	1,302 sq mi (3,372 km2)
• Land	1,297 sq mi (3,359 km2)
• Water	4.3 sq mi (11 km2), 0.3
Time zone	Central: UTC-6/-5
Website	www.co.zavala.tx.us
Footnotes: For infobox source see

County Well Data

Well ID	Operator Name	Well Type	Lease
42-507-00008	SPILLER OPERATING CO., INC.	Gas	033828
42-507-00014	EXXON CORP.	Oil
42-507-00028	ESPERANZA OIL & GAS CO.	Gas
42-507-00029
42-507-00033
42-507-00038	RIO INVESTMENT CO.	Gas
42-507-00047	RIO INVESTMENT CO.	Gas
42-507-00048	RIO INVESTMENT CO.	Gas
42-507-00049	RIO INVESTMENT CO.	Gas
42-507-00050	RIO INVESTMENT CO.	Gas
42-507-00051	RIO INVESTMENT CO.	Gas
42-507-00053	RIO INVESTMENT CO.	Gas
42-507-00063
42-507-00064	RIO INVESTMENT CO.	Gas
42-507-00065	RIO INVESTMENT CO.	Gas
42-507-00066	RIO INVESTMENT CO.	Gas
42-507-00067	RIO INVESTMENT CO.	Gas
42-507-00071
42-507-00080	RIO INVESTMENT CO.	Gas
42-507-00097	Humble Oil & Refining Co.	Gas
42-507-00098	KINCAID/HADDEN
42-507-00102	Humble Oil & Refining Co.	Gas
42-507-00105
42-507-00106	GENESIS ST OPERATING LLC	Gas	164585
42-507-00107
42-507-00109
42-507-00126	RIO GAS GATHERING CO., INC.	Gas	084880
42-507-00129	CRIMSON EXPLORATION OPER., INC.	Gas	000355
42-507-00130	RIO GAS GATHERING CO., INC.	Gas	049746
42-507-00131	CRIMSON EXPLORATION OPER., INC.	Gas	232042
42-507-00133	Texaco Inc.	Gas	000347
42-507-00134
42-507-00135	CAVALIER OIL & GAS, INC.	Oil	05963
42-507-00136	CRIMSON EXPLORATION OPER., INC.	Gas	224497
42-507-00137	Texaco Inc.	Gas	181462
42-507-00154	DIAMOND ENERGY SERVICES, LP	Oil
42-507-00224	UVALDE ENERGY CO.	Gas	000011
42-507-00228	UVALDE ENERGY CO.	Gas	048127
42-507-00229	KILLAM OIL COMPANY	Oil	03611
42-507-00230	KILLAM OIL COMPANY	Oil	03611
42-507-00242	SUPERIOR OIL COMPANY, THE	Gas	040719
42-507-00243	KILLAM OIL CO., LTD.	Gas	076951
42-507-00250	QUATRO OIL AND GAS, INC.	Oil	03058
42-507-00251	QUATRO OIL AND GAS, INC.	Oil	03056
42-507-00252	SPUR OPERATING CO.	Oil	03094
42-507-00254	SPUR OPERATING CO.	Oil	03099
42-507-00255	SPUR OPERATING CO.	Oil	03099
42-507-00257	SPUR OPERATING CO.	Oil	03099
42-507-00261	RIDDLE OIL COMPANY	Oil
42-507-00262	SPUR OPERATING CO.	Oil
42-507-00264	KWH OIL COMPANY	Gas	086864
42-507-00268	RIDDLE OIL COMPANY	Oil
42-507-00274	MOBIL PRODUCING TX. & N.M. INC.	Oil	02670
42-507-00276
42-507-00279	PEARL, BILL H. PRODUCTIONS, INC.	Oil	02670
42-507-00288	J-W OPERATING CO.	Gas
42-507-00290	J-W OPERATING CO.	Gas
42-507-00291	MIDWESTERN EXPLORATION CO.	Oil	14487
42-507-00293	MIDWESTERN EXPLORATION CO.
42-507-00299	WOODHAM OIL CORPORATION	Gas	129741
42-507-00300
42-507-00302	J-W OPERATING CO.	Oil	03094
42-507-00305	J-W OPERATING CO.	Gas	041247
42-507-00309	KWH OIL COMPANY	Gas	000080
42-507-00310	KWH OIL COMPANY	Gas	000077
42-507-00312	J-W OPERATING CO.	Gas
42-507-00321	FINLEY RESOURCES, INC.	Oil	03061
42-507-00322	FINLEY RESOURCES, INC.	Oil	03061
42-507-00323	FINLEY RESOURCES, INC.	Oil
42-507-00324	FINLEY RESOURCES, INC.	Oil
42-507-00325	CIBOLO ENERGY OPERATING, INC.	Gas	041246
42-507-00326	FINLEY RESOURCES, INC.	Oil	03061
42-507-00333	Texaco Inc.	Oil
42-507-00337	SPUR OPERATING CO.	Gas	116522
42-507-00338	H. & J. DRILLING COMPANY	Gas
42-507-00342	MUELLER ENGINEERING CORP.	Oil
42-507-00344	Texaco Inc.	Gas
42-507-00345	J-W OPERATING CO.	Oil
42-507-00346	Texaco Inc.	Gas
42-507-00362	BOX, WARD L.	Gas	000074
42-507-00366	Texaco Inc.	Gas
42-507-00368	Texaco Inc.	Gas
42-507-00370	CAMINO AGAVE, INC.	Gas	000149
42-507-00378	RIDDLE OIL COMPANY	Oil
42-507-00381	J-W OPERATING CO.	Gas
42-507-00396	ZAVALA ENERGY, INC.	Oil	03655
42-507-00399	ZAVALA ENERGY, INC.	Gas	063878
42-507-00413	RIDDLE OIL COMPANY	Gas
42-507-00415	J-W OPERATING CO.	Gas
42-507-00419	RIDDLE OIL COMPANY	Gas
42-507-00430	J-W OPERATING CO.	Gas
42-507-00461	J-W OPERATING CO.	Gas
42-507-00463	J-W OPERATING CO.	Gas
42-507-00465	RIDDLE OIL COMPANY	Gas
42-507-00498	R. K. G. ENGINEERING, INC.	Gas
42-507-00499	NORTON OIL CO.,INC. & GRAGE,V.P.	Gas
42-507-00501	R. K. G. ENGINEERING, INC.	Gas
42-507-00509	DISCORBIS OIL COMPANY	Gas
42-507-00511	NORTON OIL CO.,INC. & GRAGE,V.P.	Gas	055131
42-507-00514
42-507-00515	BXP OPERATING, LLC	Gas	000008
42-507-00516	NORTON OIL CO.,INC. & GRAGE,V.P.	Gas
42-507-00517	NORTON OIL CO.,INC. & GRAGE,V.P.	Gas
42-507-00518
42-507-00519	CONTINENTAL OIL COMPANY	Gas
42-507-00524	CONTINENTAL OPERATING COMPANY
42-507-00530	LONESOME DOVE OIL & GAS	Gas	000383
42-507-00533	CONWAY ENERGY OPER SERVICES INC.	Gas	039933
42-507-00534	CONWAY ENERGY OPER SERVICES INC.	Gas	040835
42-507-00541	LONESOME DOVE OIL & GAS	Gas	000384
42-507-00558	DIAMOND CHEMICALS COMPANY	Gas
42-507-00568	KOVEN PRODUCTION CO.	Oil	02421
42-507-00570	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-00571	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-00572	KOVEN PRODUCTION CO.	Oil	02421
42-507-00573	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-00575	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-00578	KOVEN PRODUCTION CO.	Oil	02421
42-507-00579	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-00580	KOVEN PRODUCTION CO.	Oil	02421
42-507-00608	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-00623	FLEUR-DAVID	Oil	12622
42-507-00646	WHITE MARLIN OPERATING CO, LLC	Oil	07143
42-507-00647	NORTHWEST ARKANSAS O & G PROD CO	Gas
42-507-00707	CRIMSON EXPLORATION OPER., INC.	Gas	077715
42-507-00719	NORTON OIL CO.,INC. & GRAGE,V.P.	Gas
42-507-00720	NORTON OIL CO.,INC. & GRAGE,V.P.	Gas
42-507-00722	OCCIDENTAL ENERGY COMPANY, INC.	Gas
42-507-00726	WILLIAMSON OPERATING CO.	Gas	043738
42-507-00728	Shell Oil Company	Gas
42-507-00729	Shell Oil Company	Gas
42-507-00730	CONWAY ENERGY OPER SERVICES INC.	Gas	043741
42-507-00732	WINN EXPLORATION/DULCE COMPANY	Gas	123543
42-507-00737	BROCKETT, C. H.	Oil
42-507-00738	BROCKETT, C. H.	Oil
42-507-00739	BRIDGER OIL INC.	Oil	03882
42-507-00740
42-507-00741	J-W OPERATING CO.	Oil	03099
42-507-00745	FINLEY RESOURCES, INC.	Oil	03923
42-507-00748
42-507-00752	SPUR OPERATING CO.	Oil	03099
42-507-00754	ZAVALA ENERGY, INC.	Oil	03655
42-507-00757	J-W OPERATING CO.	Gas
42-507-00759	JOINT RESOURCES COMPANY	Oil	03937
42-507-00760	BROWN, C. DOUGLAS, LLC	Gas	044918
42-507-00761	CONWAY ENERGY OPER SERVICES INC.	Gas	044917
42-507-00762	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-00763	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-00764	MAVERICK ENERGY GROUP, INC.	Oil	05649
42-507-00769
42-507-00772	WHITE MARLIN OPERATING CO, LLC	Oil	03356
42-507-00779	WHITE MARLIN OPERATING CO, LLC	Oil
42-507-20010
42-507-20018	BRIDGER OIL INC.	Oil	03893
42-507-20041	ORYX ENERGY COMPANY	Gas	046721
42-507-20080	STRATEX OIL & GAS HOLDINGS, INC.	Oil	03655
42-507-20081	STRATEX OIL & GAS HOLDINGS, INC.	Oil	03655
42-507-30002	Sun Exploration & Production Co.	Oil	04421
42-507-30008	CONWAY ENERGY OPER SERVICES INC.	Gas	046661
42-507-30009	Sun Exploration & Production Co.	Oil	04421
42-507-30013	TRINITY OPERATING (USG), LLC	Oil	04421
42-507-30018	WOODHAM CORPORATION	Oil
42-507-30022	UVALDE ENERGY CO.	Gas	047638
42-507-30024	Sun Exploration & Production Co.	Oil	04421
42-507-30027	WILLIAMSON OPERATING CO.	Oil	04270
42-507-30029	HUGHES & HUGHES	Gas
42-507-30032	Sun Exploration & Production Co.	Oil
42-507-30033	WILLIAMSON OPERATING CO.	Oil	04148
42-507-30035	Sun Exploration & Production Co.	Oil	04421
42-507-30037	Sun Exploration & Production Co.	Oil	04421
42-507-30038	Sun Exploration & Production Co.	Oil
42-507-30041	Sun Exploration & Production Co.	Oil	04421
42-507-30042	Sun Exploration & Production Co.	Oil	04421
42-507-30044	PEARL, BILL H. PRODUCTIONS, INC.	Oil	04130
42-507-30045	STRINGER OIL PROPERTIES	Gas
42-507-30046	PEARL, BILL H. PRODUCTIONS, INC.	Oil	02670
42-507-30047	ARRCO OPERATING, LLC -	Oil	04165
42-507-30048	ARRCO OPERATING, LLC -	Gas	049117
42-507-30053	Sun Exploration & Production Co.	Oil	04421
42-507-30059	SUN EXPL. & PROD. CO.-CORPUS	Oil
42-507-30061	PEARL, BILL H. PRODUCTIONS, INC.	Oil
42-507-30063	SPUR OPERATING CO.	Gas	050572
42-507-30065	MATADOR PRODUCTION COMPANY	Gas	053713
42-507-30068	TRINITY OPERATING (USG), LLC	Gas	052861
42-507-30071	MATADOR PRODUCTION COMPANY	Gas	053714
42-507-30076	WILLIAMSON OPERATING CO.	Oil	04298
42-507-30080	TRINITY OPERATING (USG), LLC	Gas	052935
42-507-30082	ARRCO OPERATING, LLC -	Oil
42-507-30085	WILLIAMSON OPERATING CO.	Oil	04306
42-507-30086	UVALDE ENERGY CO.	Gas	053492
42-507-30087	WILLIAMSON OPERATING CO.	Oil	04306
42-507-30089	ORYX ENERGY COMPANY	Gas	052936
42-507-30090	TEXAS AMERICAN RESOURCES COMPANY	Oil	13050
42-507-30097	JL RESOURCES, LLC	Oil	17518
42-507-30098	REMUDA OPERATING COMPANY	Oil
42-507-30106	REMUDA OPERATING COMPANY	Oil
42-507-30107	LICO EXPLORATIONS, INC.	Oil
42-507-30111	OILTON RESOURCES, INC.	Oil	04348
42-507-30129	MATADOR PRODUCTION COMPANY	Oil	09912
42-507-30131
42-507-30134	4700 CORP.	Gas
42-507-30141	4700 CORP.	Gas
42-507-30143	TRINITY OPERATING (USG), LLC	Gas	055018
42-507-30146	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-30147	SPUR OPERATING CO.	Oil	02421
42-507-30151	Forest Oil Corporation	Gas
42-507-30152	STRATEX OIL & GAS HOLDINGS, INC.	Oil	04415
42-507-30153	CONWAY ENERGY OPER SERVICES INC.	Gas	055691
42-507-30154	CONWAY ENERGY OPER SERVICES INC.	Gas	055693
42-507-30155	CONWAY ENERGY OPER SERVICES INC.	Gas	055692
42-507-30157	TRINITY OPERATING (USG), LLC	Gas	056029
42-507-30158	CONWAY ENERGY OPER SERVICES INC.	Gas	061256
42-507-30159	CONWAY ENERGY OPER SERVICES INC.	Gas	056205
42-507-30162	DIAMOND ENERGY SERVICES, LP	Oil	04431
42-507-30163	WILLIAMSON OPERATING CO.	Oil
42-507-30167	4700 CORP.	Gas
42-507-30170	Winn Exploration Co., Inc.	Oil
42-507-30171	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30172	PEARL, BILL H. PRODUCTIONS, INC.	Oil	04130
42-507-30173	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30174	Winn Exploration Co., Inc.	Oil
42-507-30176	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30177	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30178	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30179	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30182	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30183	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30187	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30188	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30190	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30191	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30192	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30193	ENCINO ENERGY & DEVELOPMENT CORP	Oil
42-507-30195
42-507-30199	FINLEY RESOURCES, INC.	Oil	03923
42-507-30200	FINLEY RESOURCES, INC.	Oil	03923
42-507-30202	DIAMOND ENERGY SERVICES, LP	Oil	04431
42-507-30203	Tesoro Petroleum Corporation	Oil	07143
42-507-30204
42-507-30212	Tesoro Petroleum Corporation	Oil
42-507-30214	Tipperary Oil & Gas Corporation	Oil
42-507-30215	DIAMOND CHEMICALS COMPANY	Gas
42-507-30221	PEARL, BILL H. PRODUCTIONS, INC.	Oil	04130
42-507-30225	FINLEY RESOURCES, INC.	Oil	04510
42-507-30232	DIAMOND ENERGY SERVICES, LP	Oil	04431
42-507-30239	EXXON CORP.	Oil
42-507-30244	REMUDA OPERATING COMPANY	Oil
42-507-30245	Gulf Oil Corp.	Oil
42-507-30251	HUGHES, DAN A. COMPANY	Gas	064650
42-507-30273	SPUR OPERATING CO.	Oil	03095
42-507-30276	SABINAL RESOURCES, INC.	Oil	04643
42-507-30278	OVERLY OPERATING CO.	Oil
42-507-30279	OVERLY OPERATING CO.	Oil	05807
42-507-30280	PEARL, BILL H. PRODUCTIONS, INC.	Oil	04220
42-507-30282	PEARL, BILL H. PRODUCTIONS, INC.	Oil	04220
42-507-30284	RICKAWAY ENERGY, CORP.	Gas	064649
42-507-30285	WHITE MARLIN OPERATING CO, LLC	Oil	03356
42-507-30289	HUGHES & HUGHES	Gas
42-507-30292	MIDWESTERN EXPLORATION CO.	Oil	04628
42-507-30295	Hughes Texas Petroleum, Ltd.	Oil	10149
42-507-30296	SPILLER, ROBERT S.	Oil	04625
42-507-30297	SPILLER, ROBERT S.	Oil	04625
42-507-30304
42-507-30305
42-507-30309	Hughes Texas Petroleum, Ltd.	Oil	10149
42-507-30314	Hughes Texas Petroleum, Ltd.	Gas
42-507-30321	HUGHES & HUGHES	Oil	05172
42-507-30322	MIDWESTERN EXPLORATION CO.	Oil
42-507-30323	REMUDA OPERATING COMPANY	Oil
42-507-30324	Winn Exploration Co., Inc.	Oil	05807
42-507-30327
42-507-30329	RETAMA OIL CORPORATION	Oil	04909
42-507-30330	INTERCITY MANAGEMENT CORP.	Oil	05186
42-507-30331	INTERCITY MANAGEMENT CORP.	Oil	05186
42-507-30332	Hughes Texas Petroleum, Ltd.	Oil	10149
42-507-30334	GOLDEN CHILD, INC.	Oil	04797
42-507-30339
42-507-30340	EXXON CORP.	Oil
42-507-30345	RETAMA OIL CORPORATION	Oil
42-507-30347	R. K. G. ENGINEERING, INC.	Oil
42-507-30348
42-507-30351	Davis Oil Company	Oil
42-507-30358	MATADOR PRODUCTION COMPANY	Oil	09289
42-507-30369	CACHARA OIL & GAS CO.	Oil
42-507-30370	BROWN, C. DOUGLAS, LLC	Gas	067602
42-507-30372	ATLAS OPERATING LLC	Oil	04784
42-507-30375	Winn Exploration Co., Inc.	Oil
42-507-30382	HUGHES, DAN A. COMPANY	Gas
42-507-30383	Hughes Texas Petroleum, Ltd.	Oil	10149
42-507-30386	RICKAWAY ENERGY, CORP.	Oil	10149
42-507-30387	RBD-PNB OPERATING AGENCY	Oil
42-507-30390	MIDWESTERN EXPLORATION CO.	Oil	04628
42-507-30392	GULF ENERGY PRODUCING COMPANY	Oil
42-507-30395	Winn Exploration Co., Inc.	Oil
42-507-30397	CACHARA OIL & GAS CO.	Oil	04931
42-507-30402	OVERSTREET, JAMIE L	Oil	14166
42-507-30403	FORMAN EXPLORATION CO.	Oil
42-507-30404	RBD-PNB OPERATING AGENCY	Oil
42-507-30406	Tipperary Oil & Gas Corporation	Gas
42-507-30407	Bta Oil Producers	Oil
42-507-30408	Bta Oil Producers	Oil
42-507-30409	Bta Oil Producers	Oil
42-507-30410	Bta Oil Producers	Oil
42-507-30412	ORYX ENERGY COMPANY	Oil
42-507-30413	LOVELADY, IKE INC.	Oil
42-507-30415	CACHARA OIL & GAS CO.	Oil	12499
42-507-30417	CIVRON PETROLEUM RES., LLC	Oil	05226
42-507-30419	CHAPARROSA OIL COMPANY	Oil	05193
42-507-30422	BLUESTAR ENERGY, INC.	Oil	05023
42-507-30423
42-507-30424	SPILLER, ROBERT S.	Oil	06340
42-507-30425	SPILLER, ROBERT S.	Gas	075503
42-507-30426	OMNI OPERATING COMPANY(A)	Oil	05023
42-507-30427	Tipperary Oil & Gas Corporation	Oil	05284
42-507-30428	Tipperary Oil & Gas Corporation	Oil
42-507-30429	BLUESTAR ENERGY, INC.	Oil	05183
42-507-30431	OVERSTREET, JAMIE L	Oil	05165
42-507-30434
42-507-30435	CIBOLO ENERGY OPERATING, INC.	Oil	05073
42-507-30436	BOBCAT OPERATING	Oil	05199
42-507-30437	LADD PETROLEUM CORP.	Oil	05073
42-507-30439	Hughes Texas Petroleum, Ltd.	Oil	10149
42-507-30441	Hughes Texas Petroleum, Ltd.	Oil	10149
42-507-30442	MOORE-MCCORMACK ENERGY, INC.	Oil
42-507-30443	HUGHES & HUGHES	Gas	079831
42-507-30444	ORYX ENERGY COMPANY	Oil
42-507-30445	MIDWESTERN EXPLORATION CO.	Oil
42-507-30447	HUGHES & HUGHES	Gas
42-507-30449	GOLDEN CHILD, INC.	Oil	04797
42-507-30450	OMNI OPERATING COMPANY(A)	Oil
42-507-30459	OMNI OPERATING COMPANY(A)	Oil	05374
42-507-30460	CONTANGO RESOURCES, INC.	Oil	05140
42-507-30461	Hughes Texas Petroleum, Ltd.	Oil	10149
42-507-30462	OMNI OPERATING COMPANY(A)	Oil	05374
42-507-30463
42-507-30464	CUATRO PETRO CORP.	Oil	05398
42-507-30467	Tipperary Oil & Gas Corporation	Oil
42-507-30468	CIBOLO ENERGY OPERATING, INC.	Oil
42-507-30469	JENNINGS EXPLORATION COMPANY	Oil
42-507-30470	TEXAS AMERICAN RESOURCES COMPANY	Gas	110004
42-507-30471	ATLAS OPERATING LLC	Oil	05291
42-507-30472	CHAMPLIN PETROLEUM CO.	Oil	05037
42-507-30473	TRINITY OPERATING (USG), LLC	Oil	04421
42-507-30474	TRINITY OPERATING (USG), LLC	Oil	04421
42-507-30475	BHEC CORPORATION	Oil	13380
42-507-30476	TRINITY OPERATING (USG), LLC	Oil	04421
42-507-30477	TRINITY OPERATING (USG), LLC	Oil	05414
42-507-30478	SUN EXPL. & PROD. CO.-CORPUS	Oil
42-507-30482	CORE E & P CORP.	Oil	05278
42-507-30483	QUASAR EXPLORATION & ENERGY INC.	Oil	05348
42-507-30484	PALMCO MANAGEMENT CO.	Gas
42-507-30486	STRATEX OIL & GAS HOLDINGS, INC.	Oil	04437
42-507-30487
42-507-30491	CIBOLO ENERGY OPERATING, INC.	Oil	05073
42-507-30492	Tipperary Oil & Gas Corporation	Oil
42-507-30496	Getty Oil Co.	Gas
42-507-30499	HUGHES, DAN A. COMPANY	Oil
42-507-30500	HUGHES & HUGHES	Oil
42-507-30501	HUGHES & HUGHES	Gas
42-507-30502	TIZA ENERGY, INC.	Gas	119855
42-507-30503	HUGHES & HUGHES	Gas
42-507-30505	CONVEST ENERGY CORPORATION	Oil	05374
42-507-30509	RETAMA OIL CORPORATION	Oil	05455
42-507-30537	PRODUCTION RESOURCES, INC.	Gas	080750
42-507-30682
42-507-30864	HUGHES & HUGHES	Oil
42-507-30865	CHESAPEAKE OPERATING, L.L.C.
42-507-30866	RETAMA OIL CORPORATION	Oil	04909
42-507-30867	BOBCAT OPERATING	Oil	05199
42-507-30868	BURK ROYALTY COMPANY
42-507-30869	WILBANKS, BRUCE A.
42-507-30870	JERCO ENTERPRISES, INC.
42-507-30871	Citation Oil & Gas Corp.	Oil
42-507-30872	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-30873	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-30874	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-30875	WELCH, BOB G.
42-507-30876	WORLD PRODUCERS, INC.	Gas
42-507-30877	COYLE, JOHN J.	Oil
42-507-30878
42-507-30879	R. K. G. ENGINEERING CO.
42-507-30880	PALMCO MANAGEMENT CO.	Gas
42-507-30881	HUGHES & HUGHES
42-507-30882	CIBOLO ENERGY OPERATING, INC.	Oil	05450
42-507-30883	MOORE-MCCORMACK ENERGY, INC.
42-507-30884	OMNI OPERATING COMPANY(A)	Oil	05374
42-507-30885	CONVEST ENERGY CORPORATION	Oil	05374
42-507-30886	RETAMA OIL CORPORATION
42-507-30887	TXCO RESOURCES INC.	Oil
42-507-30888	CIBOLO ENERGY OPERATING, INC.	Oil	05073
42-507-30889	ORYX ENERGY COMPANY	Oil
42-507-30890	ORYX ENERGY COMPANY	Oil
42-507-30891	ORYX ENERGY COMPANY	Oil
42-507-30892	VENUS OIL COMPANY
42-507-30893	HUGHES & HUGHES
42-507-30894	JENNINGS EXPLORATION COMPANY	Oil
42-507-30895	JENNINGS EXPLORATION COMPANY	Gas	074311
42-507-30896	JERCO ENTERPRISES, INC.
42-507-30897	BROWN, THOMAS E.
42-507-30898	GRAHAM-MCCORMICK OPERATING PRTN.	Gas
42-507-30899	GRAHAM-MCCORMICK OPERATING PRTN.	Gas
42-507-30900	HUGHES & HUGHES	Oil	05398
42-507-30901	CHAPARROSA OIL COMPANY
42-507-30902	CHAPARROSA OIL COMPANY	Gas
42-507-30903	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-30904	BROWN, THOMAS E.
42-507-30905	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-30906	PALMCO MANAGEMENT CO.	Gas
42-507-30907	CALDWELL OIL & GAS CO., INC.
42-507-30908	CALDWELL OIL & GAS CO., INC.	Oil	05792
42-507-30909	SPILLER, H. G.
42-507-30910	SIGMOR CORPORATION
42-507-30911	HUGHES & HUGHES	Gas	199873
42-507-30912	HUGHES & HUGHES
42-507-30913	CIBOLO ENERGY OPERATING, INC.	Oil	05073
42-507-30914	CHAPARROSA OIL COMPANY	Gas	114641
42-507-30915	CUATRO PETRO CORP.	Oil	05558
42-507-30916	ADDINGTON, CRANDELL
42-507-30917	G/O INTERNATIONAL, INC.	Gas	081137
42-507-30918	G/O INTERNATIONAL, INC.	Gas	081136
42-507-30919	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-30920	CHESAPEAKE OPERATING, L.L.C.
42-507-30921	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-30922	ORYX ENERGY COMPANY	Oil
42-507-30923	SNYDER OIL CORPORATION	Gas	122963
42-507-30924	R. K. G. ENGINEERING, INC.	Gas
42-507-30925	CHAPARROSA OIL COMPANY
42-507-30926	CHAPARROSA OIL COMPANY
42-507-30927	WELCH, BOB G.
42-507-30928	BLUESTAR ENERGY, INC.	Oil	05585
42-507-30929	CHAPARROSA OIL COMPANY
42-507-30930	MCFARLAND ENERGY, INC.
42-507-30931	WILLIAMSON OPERATING CO.	Oil	05598
42-507-30932	SEAGULL OPERATING CO., INC.
42-507-30933	PRONGHORN OIL & GAS CO.	Oil	05595
42-507-30934	PAVCO OIL & GAS, INC.	Oil	05694
42-507-30935	PATTERSON ENERGY CORPORATION	Gas	074302
42-507-30936	BLUESTAR ENERGY, INC.	Oil	05585
42-507-30937	CIBOLO ENERGY OPERATING, INC.	Oil	05073
42-507-30938	SEAGULL OPERATING CO., INC.
42-507-30939	SPILLER, H. G.
42-507-30940	BLUESTAR ENERGY, INC.	Oil	05585
42-507-30941	BLACK ROCK OIL & GAS CO. INC.
42-507-30943	HUGHES & HUGHES	Gas
42-507-30944	CONVEST ENERGY CORPORATION
42-507-30945	BLUESTAR ENERGY, INC.	Oil	05585
42-507-30946	CONTINENTAL OIL COMPANY
42-507-30947	HUGHES & HUGHES
42-507-30948	GRELLING INVESTMENTS
42-507-30949	TEXCAN RESOURCES CORP.
42-507-30950	CIVRON PETROLEUM RES., LLC	Oil	05226
42-507-30951	BLUESTAR ENERGY, INC.	Oil	05585
42-507-30952	CUATRO PETRO CORP.	Oil	05398
42-507-30953	THALMANN OIL FIELD SERVICE, INC.	Oil
42-507-30954	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-30955	BLUESTAR ENERGY, INC.	Oil	05585
42-507-30956	CIBOLO ENERGY OPERATING, INC.	Oil	05073
42-507-30957	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-30958	GRELLING INVESTMENTS
42-507-30959	HUGHES & HUGHES	Oil	10149
42-507-30960
42-507-30961	CALDWELL OIL & GAS CO., INC.
42-507-30962	CALDWELL OIL & GAS CO., INC.
42-507-30963	G/O INTERNATIONAL, INC.	Gas	081138
42-507-30964	G/O INTERNATIONAL, INC.	Gas	081140
42-507-30965	STONEGATE OPERATORS, INC.	Oil	05727
42-507-30966	CALDWELL OIL & GAS CO., INC.
42-507-30967	BXP OPERATING, LLC	Gas	079222
42-507-30968	CONWAY ENERGY OPER SERVICES INC.	Gas	079223
42-507-30969	WEATHERSTON, GEORGE
42-507-30970	DISCORBIS OIL COMPANY	Gas
42-507-30971	CHAPARROSA OIL COMPANY	Gas	112911
42-507-30972	WILLIAMSON OPERATING CO.	Gas	076705
42-507-30973	HUGHES & HUGHES
42-507-30974
42-507-30975	TUBULAR-WELLHEAD SERVICES, INC.	Gas	077757
42-507-30976	BLUESTAR ENERGY, INC.	Oil	05585
42-507-30977	TRINITY OPERATING (USG), LLC	Oil	05414
42-507-30978	REMUDA OIL & GAS CO.
42-507-30979	REMUDA OIL & GAS CO.
42-507-30980	CALDWELL OIL & GAS CO., INC.	Gas	079839
42-507-30981	ARROW PETROLEUM COMPANY
42-507-30982	MOLE OPERATING CO., INC.	Gas
42-507-30983	LADD PETROLEUM CORP.
42-507-30984	WELCH, BOB G.
42-507-30985	CALDWELL OIL & GAS CO., INC.
42-507-30986	CALDWELL OIL & GAS CO., INC.	Gas	080419
42-507-30987	PENINSULA RESOURCES CORP.
42-507-30988	SUN EXPL. & PROD. CO.-CORPUS	Oil
42-507-30989	MCDANIEL COMPANY, INC., THE	Oil	05366
42-507-30990	ESPADA OPERATING LLC	Oil	07764
42-507-30991	Hughes Texas Petroleum, Ltd.	Oil	10149
42-507-30992	JENNINGS EXPLORATION COMPANY	Gas	130825
42-507-30993	CALDWELL OIL & GAS CO., INC.
42-507-30994	CALDWELL OIL & GAS CO., INC.
42-507-30995	VARN PETROLEUM CO.
42-507-30996	HUGHES & HUGHES	Oil	10149
42-507-30997	LOVELADY, I. W.
42-507-30998	STONEGATE OPERATORS, INC.	Oil	05727
42-507-30999	DISCORBIS OIL COMPANY	Gas	078321
42-507-31000	GRELLING INVESTMENTS
42-507-31001	JENNINGS EXPLORATION COMPANY
42-507-31002	YARBOROUGH, W. B.
42-507-31003	REO OPERATING LLC	Gas	080118
42-507-31004	G/O INTERNATIONAL, INC.	Gas	081139
42-507-31005	FRIDAY PIPELINE CO
42-507-31006	GRELLING INVESTMENTS
42-507-31007	Southern Union Exploration Co.
42-507-31008	MCFARLANE OIL CO., INC.
42-507-31009	HUGHES & HUGHES
42-507-31010	J M FOUR PRODUCTION	Oil
42-507-31011	TOTAL PRODUCTION SERVICES, INC.	Gas	078771
42-507-31012	JENNINGS EXPLORATION COMPANY	Oil	05772
42-507-31013	MCFARLANE OIL CO., INC.
42-507-31014	CALDWELL OIL & GAS CO., INC.
42-507-31015	Getty Oil Co.
42-507-31016
42-507-31017	CUATRO PETRO CORP.	Oil	05398
42-507-31018	CLARK, JOHN M.
42-507-31019	CHAMPLIN PETROLEUM CO.
42-507-31020	LEWIS, J. O.-E. R. I. LIMITED
42-507-31021	PETROLERO CORP.
42-507-31022	WITHERSPOON OIL COMPANY	Oil	05931
42-507-31023	WILLIAMSON OPERATING CO.	Oil	05920
42-507-31024	PICOSA, L.L.C.	Oil	05927
42-507-31025	WITHERSPOON OIL COMPANY	Oil	05930
42-507-31026	MILLER, W. C.
42-507-31027	CHAPARROSA OIL COMPANY
42-507-31028	MCCORMICK OPERATING PARTNERSHIP	Gas
42-507-31029	BURK ROYALTY COMPANY	Oil
42-507-31030	MILLER, W. C.
42-507-31031	MILLER, W. C.
42-507-31032	INTERNATIONAL WESTERN OIL CORP.
42-507-31033	CHAPARROSA OIL COMPANY
42-507-31034	GRELLING INVESTMENTS
42-507-31035	GRELLING INVESTMENTS
42-507-31036	GRAHAM-MCCORMICK OPERATING PRTN.	Gas
42-507-31037	CHAPARROSA OIL COMPANY
42-507-31038	EQUITX ENERGY CORP.
42-507-31039	EQUITX ENERGY CORP.
42-507-31040	WILLIAMSON DRILLING CO., INC.	Gas	081613
42-507-31041	HITCH ENERGY CORPORATION
42-507-31042	EQUITX ENERGY CORP.
42-507-31043	R. K. G. ENGINEERING, INC.
42-507-31044	CHAPARROSA OIL COMPANY	Gas
42-507-31045	CHAPARROSA OIL COMPANY
42-507-31046	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31047	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31048	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31049	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31050	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31051	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31052	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31053	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31054	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31055	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31056	DIXON OIL COMPANY
42-507-31057	GRAHAM-MCCORMICK OPERATING PRTN.	Gas
42-507-31058	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31059	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31060	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31061	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31062	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31063	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31064	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31065	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31066	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31067	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31068	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31069	MOLE OPERATING CO., INC.	Oil
42-507-31070	MOLE OPERATING CO., INC.	Gas	081135
42-507-31071	GRAHAM-MCCORMICK OPERATING PRTN.	Gas
42-507-31072	CHAPARROSA OIL COMPANY	Gas
42-507-31073	SUNOCO ENERGY DEVELOPMENT CO.
42-507-31074	SHAR-ALAN OIL COMPANY
42-507-31075	CRIMSON EXPLORATION OPER., INC.	Gas	080394
42-507-31076	CHAPARROSA OIL COMPANY
42-507-31077	BLACK ROCK OIL & GAS CO. INC.
42-507-31078	CLARK, JOHN M.
42-507-31079	JENNINGS EXPLORATION COMPANY	Oil	05844
42-507-31080	CONTINENTAL OIL COMPANY
42-507-31081	ZAVALA ENERGY, INC.	Gas
42-507-31082
42-507-31083	CRIMSON EXPLORATION OPER., INC.	Gas	081173
42-507-31084	CONTINENTAL OIL COMPANY
42-507-31085	WINN EXPLORATION/DULCE COMPANY	Gas	117345
42-507-31086	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31087	HAMPTON ENERGY CORPORATION	Oil
42-507-31088	BURK ROYALTY COMPANY
42-507-31089	MOSELLE FUEL CO.
42-507-31090	JENNINGS EXPLORATION COMPANY	Oil
42-507-31091	WINN EXPLORATION/DULCE COMPANY	Gas	130828
42-507-31092	Tipperary Oil & Gas Corporation
42-507-31093	BRAZOS PETROLEUM, INC.	Gas	094354
42-507-31094	SUNDOWN DRILLING CO., INC.
42-507-31095	WINN EXPLORATION/DULCE COMPANY	Gas	097215
42-507-31096	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31097	SHETTLE, GEO. O.
42-507-31098	MORMAC OIL & GAS CO.
42-507-31099	EQUITX ENERGY CORP.
42-507-31100	WILLIAMSON OPERATING CO.	Gas	082272
42-507-31101	HITCH ENERGY CORPORATION
42-507-31102	HUGHES & HUGHES
42-507-31103	J M FOUR PRODUCTION	Oil	05950
42-507-31104	HUGHES & HUGHES	Gas
42-507-31105	CHAPARROSA OIL COMPANY
42-507-31106	SUNDOWN DRILLING CO.
42-507-31107	SUNDOWN DRILLING CO.
42-507-31108	TEXOKAN OPERATING, INC.	Oil	05918
42-507-31109	HUGHES & HUGHES	Gas
42-507-31110	ZAVALA ENERGY, INC.	Gas
42-507-31111	CALDWELL OIL & GAS CO., INC.
42-507-31112	SUNDOWN DRILLING CO.
42-507-31113	SUNDOWN DRILLING CO.
42-507-31114	SUNDOWN DRILLING CO.
42-507-31115	BRAZOS PETROLEUM, INC.	Gas	094360
42-507-31116	SUNDOWN DRILLING CO.
42-507-31117	SUNDOWN DRILLING CO.
42-507-31118	BRAZOS PETROLEUM, INC.	Gas	094351
42-507-31119	WINN EXPLORATION/DULCE COMPANY	Gas	109018
42-507-31120	CALDWELL LIMITED PARTNERSHIP	Gas
42-507-31121	MCDAY ENERGY CORP.	Gas	094147
42-507-31122	MOLE OPERATING CO., INC.	Oil	06617
42-507-31123	CRIMSON EXPLORATION OPER., INC.	Gas	082274
42-507-31124	MCDAY ENERGY CORP.	Gas	094356
42-507-31125	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31126	ZAVALA INDEPENDENT GAS, INC.	Gas	094355
42-507-31127	RISIEN, H. V.	Gas
42-507-31128	PRODUCTION RESOURCES, INC.	Gas	082273
42-507-31129	TEJAS PRODUCTION CO
42-507-31130	SUNDOWN DRILLING CO.
42-507-31131	CALDWELL OIL & GAS CO., INC.
42-507-31132	SUNDOWN DRILLING CO.
42-507-31133	SUNDOWN DRILLING CO.
42-507-31134	SUNDOWN DRILLING CO.
42-507-31135	WINN EXPLORATION/DULCE COMPANY
42-507-31136	MARK IV ENERGY
42-507-31137	SANDERS, HOWARD KENNETH
42-507-31138	Winn Exploration Co., Inc.	Gas	094358
42-507-31139	WEATHERSTON, GEORGE
42-507-31140	Getty Oil Co.
42-507-31141	Getty Oil Co.
42-507-31142	SPILLER, ROBERT S.	Gas	129747
42-507-31143	Getty Oil Co.
42-507-31144	Getty Oil Co.
42-507-31145	EQUITX ENERGY CORP.
42-507-31146	WILLIAMSON OPERATING CO.	Gas	084885
42-507-31147	WILLIAMSON OPERATING CO.	Gas	084886
42-507-31148	EQUITX ENERGY CORP.
42-507-31149	SUNDOWN DRILLING CO.
42-507-31150	SUNDOWN DRILLING CO.
42-507-31152	OVERLY OPERATING CO.	Oil
42-507-31153	Getty Oil Co.
42-507-31154	Getty Oil Co.
42-507-31155	Getty Oil Co.
42-507-31156	SUNDOWN DRILLING CO.
42-507-31157	DIXON DRILLING COMPANY
42-507-31158	CALDWELL OIL & GAS CO., INC.
42-507-31159	CALDWELL OIL & GAS CO., INC.
42-507-31160	CALDWELL OIL & GAS CO., INC.
42-507-31161	Getty Oil Co.
42-507-31162	WARNCKE, GLENNWOOD
42-507-31163	Getty Oil Co.
42-507-31166	DULCE CO., THE
42-507-31167	DULCE CO., THE
42-507-31168	DULCE CO., THE
42-507-31169	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31170	BRAZOS PETROLEUM, INC.	Gas	094352
42-507-31171	BRAZOS PETROLEUM, INC.	Gas	094145
42-507-31172	WINN EXPLORATION/DULCE COMPANY	Gas	124999
42-507-31173	WINN EXPLORATION/DULCE COMPANY	Gas	108554
42-507-31174	OVERLY OPERATING CO.	Oil
42-507-31175	JENNINGS EXPLORATION COMPANY	Gas	165951
42-507-31176	LONGHORN OIL PROPERTIES, INC.	Gas	083339
42-507-31177	LYNCH, W. WALDO	Gas	084116
42-507-31178	CRIMSON EXPLORATION OPER., INC.	Gas	083412
42-507-31179	PETROLERO CORP.
42-507-31180	PETROLERO CORP.
42-507-31181	JENNINGS EXPLORATION COMPANY	Oil
42-507-31182	GRANT-CARDIN
42-507-31183	WINN EXPLORATION/DULCE COMPANY	Gas	121757
42-507-31184	MCDAY ENERGY CORP.	Gas	094142
42-507-31185	MCDAY ENERGY CORP.	Gas	100437
42-507-31186	SUNDOWN DRILLING CO.
42-507-31187	WINN EXPLORATION/DULCE COMPANY	Oil
42-507-31188	MCDAY ENERGY CORP.	Gas	094673
42-507-31189	WINN EXPLORATION/DULCE COMPANY	Gas	123671
42-507-31190	WINN EXPLORATION/DULCE COMPANY	Gas	094331
42-507-31191	SUNDOWN DRILLING CO.
42-507-31192	MCDAY ENERGY CORP.	Gas	094332
42-507-31193	WINN EXPLORATION/DULCE COMPANY	Gas	110834
42-507-31194	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31195	MCDAY ENERGY CORP.	Gas	094318
42-507-31196	NORTON OIL CO.,INC. & GRAGE,V.P.
42-507-31197	MCDAY ENERGY CORP.	Gas	094821
42-507-31198	MCDAY ENERGY CORP.	Gas	094334
42-507-31199	MCDAY ENERGY CORP.	Gas	094324
42-507-31200	WINN EXPLORATION/DULCE COMPANY	Gas	132336
42-507-31201	FRIO SWD, INC.	Gas	083782
42-507-31202	EQUITX ENERGY CORP.
42-507-31203	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31204	SUNDOWN DRILLING CO.
42-507-31205	WINN EXPLORATION/DULCE COMPANY	Oil	07902
42-507-31206	RISIEN, H. V.	Gas
42-507-31207	GALAXY OIL COMPANY
42-507-31208	Getty Oil Co.
42-507-31209	MCDAY ENERGY CORP.	Gas	094328
42-507-31210	LYNCH, W. W.	Oil	14238
42-507-31211	WARNCKE, GLENNWOOD
42-507-31212	SUNDOWN DRILLING CO.
42-507-31213	WINN EXPLORATION/DULCE COMPANY	Gas	131507
42-507-31214	GUARDIAN OIL COMPANY
42-507-31215	ORYX ENERGY COMPANY	Oil	04421
42-507-31216	COATES ENERGY TRUST	Gas
42-507-31217	JENNINGS EXPLORATION COMPANY
42-507-31218	JENNINGS EXPLORATION COMPANY	Oil	05980
42-507-31219	CRIMSON EXPLORATION OPER., INC.	Gas	084359
42-507-31220
42-507-31221	SUNDOWN DRILLING CO.
42-507-31222	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31223	CLARK, ARTHUR E.
42-507-31224	SUNDOWN DRILLING CO.
42-507-31225	E R I LTD.
42-507-31226	MCDAY ENERGY CORP.	Gas	094327
42-507-31227	MCDAY ENERGY CORP.	Gas	096408
42-507-31228	SUNDOWN DRILLING CO.
42-507-31229	ROME EXPLORATION CO, INC.	Gas	095160
42-507-31230	CLARK, JOHN M.
42-507-31231	MUELLER ENGINEERING CORP.	Gas
42-507-31232	LYNCH, WILBUR WALDO, ESTATE OF	Gas	085493
42-507-31233	MCDAY ENERGY CORP.	Oil	07902
42-507-31234	MCDAY ENERGY CORP.	Gas	087874
42-507-31235	MATZINGER PETROLEUM CO	Gas
42-507-31236	NORTON OIL CO.,INC. & GRAGE,V.P.
42-507-31237	INDEPENDENT EXPLORATION CO.
42-507-31238	MATZINGER PETROLEUM CO
42-507-31239	INDEPENDENT EXPLORATION CO.	Gas
42-507-31240	MATZINGER PETROLEUM CO	Gas
42-507-31241	BURK ROYALTY COMPANY
42-507-31242	RIO GRAND EXPLORATION, LLC	Oil	07764
42-507-31243	SUNDOWN DRILLING CO.
42-507-31244	HAMPTON ENERGY CORPORATION	Oil	05926
42-507-31245	STRINGER OIL & GAS
42-507-31246	HUGHES & HUGHES
42-507-31247	STONEGATE OPERATORS, INC.	Oil
42-507-31248	STONEGATE OPERATORS, INC.	Oil	10297
42-507-31249	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31250	WARNCKE, GLENNWOOD
42-507-31251	WALSH & TRANT PETROLEUM CORP.
42-507-31252
42-507-31253	HUGHES & HUGHES
42-507-31254	LYNCH, W. WALDO	Oil
42-507-31255	SUNDOWN DRILLING CO.
42-507-31256	BECKER, B. A.
42-507-31257	BECKER, B. A.
42-507-31258	BECKER, B. A.
42-507-31259	BECKER, B. A.
42-507-31260	STRATA STAR PETROLEUM CORP.	Oil	06074
42-507-31261	PETROLERO CORP.
42-507-31262	WARNCKE, GLENNWOOD
42-507-31263	ROME EXPLORATION CO, INC.	Gas	095161
42-507-31264	GRAHAM ENGINEERING CORPORATION
42-507-31265	SUNDOWN DRILLING CO.
42-507-31266	ELECTROTHERMIC CO., THE
42-507-31267	ELECTROTHERMIC CO., THE
42-507-31268	ELECTROTHERMIC CO., THE
42-507-31269	ELECTROTHERMIC CO., THE
42-507-31270	BECKER, B. A.
42-507-31271	Citation Oil & Gas Corp.
42-507-31272	MAJOR PETROLEUM CORP.
42-507-31273	SHETTLE, GEO. O.
42-507-31274	HUGHES & HUGHES	Gas
42-507-31275	DEETER, JOHN
42-507-31276
42-507-31277	NICHOLS,EDWIN S EXPLORATIONS INC
42-507-31278	SUNDOWN DRLG.-EDWARDS OIL&GAS CO
42-507-31279	LYNCH, W. WALDO
42-507-31280	JENNINGS EXPLORATION COMPANY
42-507-31281
42-507-31282	JENNINGS EXPLORATION COMPANY	Gas
42-507-31283	CLARK, ARTHUR E.
42-507-31284	DIVERSIFIED O&G PROD. CO., INC.	Oil	06152
42-507-31285	OFFSPRING WELL SALVAGE	Gas	088034
42-507-31286	JENNINGS EXPLORATION COMPANY
42-507-31287	OMEGA MINERALS, INC.	Gas	087934
42-507-31288	JENNINGS EXPLORATION COMPANY	Gas	093414
42-507-31289	JENNINGS EXPLORATION COMPANY	Oil
42-507-31290	OVERLY OPERATING CO.	Oil
42-507-31291	GRANT-CARDIN
42-507-31292	DAVIS CRUDE, INC.
42-507-31293	OMEGA MINERALS, INC.	Gas	087935
42-507-31294	INDEPENDENT EXPLORATION CO.	Gas
42-507-31295	MATZINGER PETROLEUM CO	Gas
42-507-31296	EASON OIL COMPANY
42-507-31297	LYNCH, W. WALDO	Oil
42-507-31298	JENNINGS EXPLORATION COMPANY
42-507-31299	WITHERSPOON OIL COMPANY	Oil	05930
42-507-31300	CHAPARROSA OIL COMPANY
42-507-31301	DINERO OIL COMPANY
42-507-31302	DINERO OIL COMPANY
42-507-31303	STRATA STAR PETROLEUM CORP.	Oil	06074
42-507-31304	U. S. OPERATING, INC.
42-507-31305	U. S. OPERATING, INC.
42-507-31306	U. S. OPERATING, INC.
42-507-31307	U. S. OPERATING, INC.
42-507-31308	U. S. OPERATING, INC.
42-507-31309	RISIEN, H. V.
42-507-31310	LYNCH, W. W.	Oil	06213
42-507-31311	EQUITX ENERGY CORP.
42-507-31312	RETAMA OIL CORPORATION	Oil	05455
42-507-31313	OMEGA MINERALS, INC.
42-507-31314	OMEGA MINERALS, INC.
42-507-31315	CHAPARROSA OIL COMPANY
42-507-31316	MATZINGER PETROLEUM CO	Gas
42-507-31317	INDEPENDENT EXPLORATION CO.
42-507-31318	CHAPARROSA OIL COMPANY
42-507-31319	INDEPENDENT EXPLORATION CO.
42-507-31320	OMEGA MINERALS, INC.
42-507-31321	JERCO ENTERPRISES, INC.
42-507-31322	WINN EXPLORATION/DULCE COMPANY	Gas	116801
42-507-31323	LYNCH, W. WALDO	Gas	090770
42-507-31324	LYNCH, W. WALDO	Gas	090128
42-507-31325	LYNCH, W. WALDO	Oil
42-507-31326	PROPET OIL & GAS INC.	Oil
42-507-31327	LYNCH, W. WALDO	Gas	088388
42-507-31328
42-507-31329	RIO-TEX, INC.	Gas	092167
42-507-31330	Shell Oil Company
42-507-31331
42-507-31332	EXXON COAL RESOURCES USA, INC.
42-507-31333	GRANT-CARDIN
42-507-31334	ARROW PETROLEUM COMPANY
42-507-31335
42-507-31336	ROME EXPLORATION CO, INC.	Gas
42-507-31337	ROME EXPLORATION CO, INC.
42-507-31338	E-COR, INC.	Gas
42-507-31339	TEXOMA RESOURCES, INC.
42-507-31340	WICHITA INDUSTRIES, INC.
42-507-31341	WARNCKE, GLENNWOOD
42-507-31342	VIRTEX OPERATING COMPANY, INC.	Oil	06462
42-507-31343
42-507-31344	JENNINGS EXPLORATION COMPANY
42-507-31345	WICHITA INDUSTRIES, INC.
42-507-31346	Wainoco Oil & Gas Company
42-507-31347	REO OPERATING LLC	Oil	06379
42-507-31348	OMEGA MINERALS, INC.
42-507-31349
42-507-31350
42-507-31351	WEATHERSTON, GEORGE D.
42-507-31352	DINERO OIL COMPANY	Oil	06074
42-507-31353	Hughes Texas Petroleum, Ltd.	Gas
42-507-31354	HUGHES & HUGHES
42-507-31355	LYNCH, W. WALDO
42-507-31356	DULCE CO., THE
42-507-31357	WARNCKE, GLENNWOOD
42-507-31358	ROME EXPLORATION CO, INC.
42-507-31359	CLARK, JOHN M.
42-507-31361	SUNDOWN DRILLING CO.
42-507-31362	DULCE CO., THE
42-507-31363	BRIDGER OIL INC.	Oil	06437
42-507-31364	BRIDGER OIL INC.	Gas	090523
42-507-31365	LYNCH, W. WALDO
42-507-31366
42-507-31367	E-COR, INC.	Gas	093390
42-507-31368	OMEGA MINERALS, INC.	Gas	149283
42-507-31369	OMEGA MINERALS, INC.	Gas	091709
42-507-31370	PROPET OIL & GAS INC.	Oil
42-507-31371	DULCE CO., THE
42-507-31372	WARNCKE, GLENNWOOD
42-507-31373	NORTON OIL CO.,INC. & GRAGE,V.P.
42-507-31374	MCDAY ENERGY CORP.	Oil	06428
42-507-31375
42-507-31376	JENNINGS EXPLORATION COMPANY	Gas	107381
42-507-31377	JENNINGS EXPLORATION COMPANY	Gas
42-507-31378	REO OPERATING LLC	Oil	06379
42-507-31379	MESQUITE LAND & MINERALS, INC.	Oil
42-507-31380	DULCE CO., THE
42-507-31381	WEATHERSTON, GEORGE D.
42-507-31382	WEATHERSTON, GEORGE D.
42-507-31383	ROME EXPLORATION CO, INC.	Gas
42-507-31384	ELECTROTHERMIC CO., THE
42-507-31385	ELECTROTHERMIC CO., THE
42-507-31386	ELECTROTHERMIC CO., THE
42-507-31387	ELECTROTHERMIC CO., THE
42-507-31388	WARNCKE, GLENNWOOD
42-507-31389	DULCE CO., THE
42-507-31390	LYNCH, W. WALDO	Oil
42-507-31391	EXPLORATION COMPANY, THE	Gas	092103
42-507-31392	OMEGA MINERALS, INC.
42-507-31393	OMEGA MINERALS, INC.	Gas
42-507-31394	GLENCO OIL & GAS COMPANY	Oil
42-507-31395
42-507-31396	CUATRO PETRO CORP.	Oil	05558
42-507-31397	PICOSA, L.L.C.	Oil	05927
42-507-31398	LYNCH, W. WALDO	Gas	090931
42-507-31399	SHETTLE, GEO. O.
42-507-31400	OILTON RESOURCES, INC.	Oil	09961
42-507-31401	CIVRON PETROLEUM RES., LLC	Oil	05226
42-507-31402	WOODHAM CORPORATION
42-507-31403	STRATA STAR PETROLEUM CORP.	Oil	06074
42-507-31404	DAVIS CRUDE, INC.
42-507-31405	WOODHAM CORPORATION
42-507-31406	OMEGA MINERALS, INC.	Oil	12696
42-507-31407	WARNCKE, GLENNWOOD	Oil
42-507-31408	E-COR, INC.	Gas	095768
42-507-31409	E-COR, INC.	Oil
42-507-31410	DULCE CO., THE
42-507-31411	INDEPENDENT EXPLORATION CO.
42-507-31412	MATZINGER PETROLEUM CO	Oil
42-507-31413	INDEPENDENT EXPLORATION CO.
42-507-31414	LYNCH, W. W.
42-507-31415	JENNINGS EXPLORATION COMPANY	Gas
42-507-31416	ROME EXPLORATION CO, INC.
42-507-31417	ROME EXPLORATION CO, INC.
42-507-31418	WARNCKE, GLENNWOOD
42-507-31419	HUGHES, DAN A. COMPANY	Oil
42-507-31420	JERCO ENTERPRISES, INC.
42-507-31421
42-507-31422	ESPADA OPERATING LLC	Oil	07764
42-507-31423	REO OPERATING LLC	Oil	06379
42-507-31424	RETAMA OIL CORPORATION
42-507-31425	ENRE, L.P.	Oil	06992
42-507-31426	Gose, Steve
42-507-31427	Pin Oak Petroleum, Inc.
42-507-31428
42-507-31429	Pin Oak Petroleum, Inc.
42-507-31430	Pin Oak Petroleum, Inc.
42-507-31431	MWJ PRODUCING COMPANY
42-507-31432	DYNAMIC PRODUCTION, INC.	Oil	06865
42-507-31433	JENNINGS EXPLORATION COMPANY
42-507-31434	JENNINGS EXPLORATION COMPANY
42-507-31435	JENNINGS EXPLORATION COMPANY
42-507-31436	INDEPENDENT EXPLORATION CO.
42-507-31437	INDEPENDENT EXPLORATION CO.
42-507-31438	INDEPENDENT EXPLORATION CO.
42-507-31439	ARRCO OPERATING, LLC -	Oil	06657
42-507-31440	JENNINGS EXPLORATION COMPANY	Oil	06818
42-507-31441	JENNINGS EXPLORATION COMPANY
42-507-31442	JENNINGS EXPLORATION COMPANY
42-507-31443	JENNINGS EXPLORATION COMPANY
42-507-31444	JENNINGS EXPLORATION COMPANY
42-507-31445	JENNINGS EXPLORATION COMPANY
42-507-31446	JENNINGS EXPLORATION COMPANY	Oil	06693
42-507-31447
42-507-31448	JENNINGS EXPLORATION COMPANY
42-507-31449	WAGNER, DUER & CO.
42-507-31450	WOODHAM CORPORATION
42-507-31451	WOODHAM CORPORATION
42-507-31452	OILTON RESOURCES, INC.	Oil	09961
42-507-31453	WINN EXPLORATION/DULCE COMPANY
42-507-31454	WHITENER OIL & GAS
42-507-31455	WHITENER OIL & GAS	Gas	107175
42-507-31456	MOMENTUM PRODUCTION CORP.	Gas	093516
42-507-31457	WOODHAM CORPORATION
42-507-31458	JENNINGS EXPLORATION COMPANY	Oil	06667
42-507-31459	PETROLERO CORP.
42-507-31460	LAUREL FUEL COMPANY
42-507-31461	ENRE, L.P.	Oil	06992
42-507-31462	Pin Oak Petroleum, Inc.
42-507-31463	ENRE, L.P.	Oil	06992
42-507-31464	ENRE, L.P.	Oil	06992
42-507-31465	AUSTIN RESOURCES CORPORATION	Oil	06816
42-507-31466	STONEGATE OPERATORS, INC.	Oil	05727
42-507-31467	OMEGA MINERALS, INC.
42-507-31468	DULCE CO., THE
42-507-31470	ZAVALA INDEPENDENT GAS, INC.	Gas	099190
42-507-31471	Inexco Oil Company
42-507-31472	JENNINGS EXPLORATION COMPANY	Oil
42-507-31473	COHO RESOURCES INC.	Oil
42-507-31474	HUGHES, DAN A. COMPANY	Oil
42-507-31475	GOLDEN CHILD, INC.	Oil	04797
42-507-31476	LEGACY EXPLORATION, INC.	Oil	07121
42-507-31477	JENNINGS EXPLORATION COMPANY	Gas
42-507-31478	REO OPERATING LLC	Gas	095266
42-507-31479	REO OPERATING LLC	Oil
42-507-31480	WILLIAMSON OPERATING CO.	Gas	100637
42-507-31481	DULCE CO., THE
42-507-31482	ROME EXPLORATION CO, INC.	Gas
42-507-31483	GOLDEN CHILD, INC.	Oil	04797
42-507-31484	Winn Exploration Co., Inc.
42-507-31485	ARRCO OPERATING, LLC -	Oil	07062
42-507-31486	JENNINGS EXPLORATION COMPANY
42-507-31487	LIVE OAK GAS COMPANY	Oil	06997
42-507-31488	J-W OPERATING CO.	Gas	096971
42-507-31489	INDEPENDENT EXPLORATION CO.
42-507-31490	OMEGA MINERALS, INC.
42-507-31492	OMEGA MINERALS, INC.
42-507-31493	Winn Exploration Co., Inc.
42-507-31494	Pin Oak Petroleum, Inc.
42-507-31495	RIDDLE OIL COMPANY
42-507-31496	OMEGA MINERALS, INC.
42-507-31497	ESPADA OPERATING LLC	Oil	07764
42-507-31498	ZAVALA ENERGY, INC.	Oil	12265
42-507-31499	Winn Exploration Co., Inc.
42-507-31500	JENNINGS EXPLORATION COMPANY
42-507-31501
42-507-31502	E-COR, INC.	Oil
42-507-31503	OMEGA MINERALS, INC.	Gas
42-507-31504	TIDELANDS OIL CORPORATION	Gas
42-507-31505	MESQUITE LAND & MINERALS, INC.
42-507-31506	MESQUITE LAND & MINERALS, INC.
42-507-31507	TEXAS EASTERN DEVELOPMENTS, INC.	Oil
42-507-31508	INDEPENDENT EXPLORATION CO.
42-507-31509	MARK IV ENERGY
42-507-31510	Gulf Oil Corp.
42-507-31512	ESENJAY PETROLEUM CORP.
42-507-31513	WICHITA INDUSTRIES, INC.
42-507-31514
42-507-31515	DULCE CO., THE
42-507-31516	Gulf Oil Corp.
42-507-31517	Gulf Oil Corp.
42-507-31518	Gulf Oil Corp.
42-507-31519	Gulf Oil Corp.
42-507-31520	ZAVALA ENERGY, INC.	Oil	12266
42-507-31521	MCDAY ENERGY CORP.	Gas	095064
42-507-31522	WOODHAM CORPORATION
42-507-31524	LOVELADY, IKE INC.
42-507-31525	TRANS-TEXAS RESOURCES, INC.
42-507-31527	NUCORP ENERGY, INC.
42-507-31528	MARK IV ENERGY
42-507-31529	STRATA STAR PETROLEUM CORP.	Oil	06074
42-507-31530	AUSTIN RESOURCES CORPORATION	Oil
42-507-31531	WILLIAMSON OPERATING CO.	Oil	04148
42-507-31532	OILTON RESOURCES, INC.	Oil
42-507-31533	E-COR, INC.	Gas	095186
42-507-31534	OMEGA MINERALS, INC.
42-507-31535	BRIDGER OIL INC.	Oil	07209
42-507-31536	JENNINGS EXPLORATION COMPANY	Oil	07491
42-507-31537	JENNINGS EXPLORATION COMPANY
42-507-31538	PETROLERO CORP.
42-507-31539	ROME EXPLORATION CO, INC.	Gas
42-507-31540	WARNCKE, GLENNWOOD
42-507-31541	CITADEL PETROLEUM CORP, THE
42-507-31542	Inexco Oil Company
42-507-31543	CRB OIL & GAS, INC.
42-507-31544	WINN EXPLORATION/DULCE COMPANY
42-507-31545	WINN EXPLORATION/DULCE COMPANY
42-507-31546	CICO OIL & GAS COMPANY
42-507-31547	CICO OIL & GAS COMPANY
42-507-31548	WINN EXPLORATION/DULCE COMPANY
42-507-31549	MCDAY ENERGY CORP.	Gas	101768
42-507-31550	MCDAY ENERGY CORP.	Gas	097975
42-507-31551	WINN EXPLORATION/DULCE COMPANY	Gas	125281
42-507-31552	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31553	MCDAY ENERGY CORP.	Oil	08655
42-507-31554	Gulf Oil Corp.
42-507-31555
42-507-31556	PNG OPERATING COMPANY	Gas	122592
42-507-31557	CLEMCO
42-507-31558	LOVELADY, IKE INC.
42-507-31559	MATZINGER PETROLEUM CO	Gas
42-507-31560	MATZINGER PETROLEUM CO	Gas
42-507-31561	INDEPENDENT EXPLORATION CO.
42-507-31562	BOLIN, DERYL G.	Gas
42-507-31563	WINN EXPLORATION/DULCE COMPANY
42-507-31564	LIVE OAK GAS COMPANY	Oil	06997
42-507-31565
42-507-31566	INDEPENDENT EXPLORATION CO.
42-507-31567	Gulf Oil Corp.
42-507-31568	RETAMCO, INC
42-507-31569	RETAMCO, INC
42-507-31571	RBD-PNB OPERATING AGENCY
42-507-31572	RETAMCO, INC
42-507-31573	BOGEY OIL & GAS	Gas	101431
42-507-31574	RBD-PNB OPERATING AGENCY	Gas
42-507-31575	RETAMCO, INC
42-507-31576
42-507-31577	MCDANIEL COMPANY, INC., THE	Oil	04421
42-507-31578	SUN EXPL. & PROD. CO.-CORPUS	Oil
42-507-31579	ARRCO OPERATING, LLC -	Oil	07448
42-507-31580	DIVERSIFIED O&G PROD. CO., INC.	Oil	06152
42-507-31581	JERCO ENTERPRISES, INC.
42-507-31582	QUATRO OIL AND GAS, INC.	Gas	101439
42-507-31583	WINN EXPLORATION/DULCE COMPANY
42-507-31584	WINN EXPLORATION/DULCE COMPANY	Gas	128397
42-507-31585	WINN EXPLORATION/DULCE COMPANY
42-507-31586	OILTON RESOURCES, INC.	Oil	07550
42-507-31587	EXXON CORP.
42-507-31588	E-COR, INC.	Gas
42-507-31589	DINERO OIL CORPORATION
42-507-31590	WINN EXPLORATION/DULCE COMPANY
42-507-31591	LIVELY ENERGY & DEVELOPMENT CORP
42-507-31592	LIVELY ENERGY & DEVELOPMENT CORP
42-507-31593	LIVELY ENERGY & DEVELOPMENT CORP
42-507-31594	OMEGA MINERALS, INC.
42-507-31595	WINN EXPLORATION/DULCE COMPANY
42-507-31596	GLENCO OIL & GAS COMPANY
42-507-31598	WHITE MARLIN OPERATING CO, LLC	Oil	07143
42-507-31599	FIRST ROCK, INC.	Oil	07980
42-507-31600	ROME EXPLORATION CO, INC.	Gas
42-507-31601	GULF STATES EXPLORATION COMPANY
42-507-31602
42-507-31603	OMEGA MINERALS, INC.
42-507-31604
42-507-31605	WINN EXPLORATION/DULCE COMPANY
42-507-31606	MCDAY ENERGY CORP.	Oil	07902
42-507-31607	WINN EXPLORATION/DULCE COMPANY
42-507-31608	MCDAY ENERGY CORP.	Oil	07902
42-507-31609	ESPADA OPERATING LLC	Oil	07764
42-507-31610	WINN EXPLORATION/DULCE COMPANY
42-507-31611	ROME EXPLORATION CO, INC.	Gas
42-507-31612	SOUTHWEST INTL MINING & MINERALS	Gas
42-507-31613	HUGHES & HUGHES
42-507-31614
42-507-31615	JENNINGS EXPLORATION COMPANY
42-507-31616	JENNINGS EXPLORATION COMPANY
42-507-31617	MCDAY ENERGY CORP.	Oil	08472
42-507-31618	JENNINGS EXPLORATION COMPANY
42-507-31619	SOUTHWEST OIL & LAND, INC.	Oil
42-507-31620	ONALASKA EXPLORATION COMPANY
42-507-31621	JENNINGS EXPLORATION COMPANY
42-507-31622	JENNINGS EXPLORATION COMPANY
42-507-31623	DIVERSIFIED O&G PROD. CO., INC.	Oil	06152
42-507-31624	JENNINGS EXPLORATION COMPANY	Oil	12578
42-507-31625	PALMCO MANAGEMENT CO.
42-507-31626	Saga Petroleum U.S. Inc.
42-507-31627	ORYX ENERGY COMPANY	Oil	13695
42-507-31628	WINN EXPLORATION/DULCE COMPANY
42-507-31629	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31630	WINN EXPLORATION/DULCE COMPANY
42-507-31631	WINN EXPLORATION/DULCE COMPANY
42-507-31632	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31633	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31634	GENESIS ST OPERATING LLC	Oil	08342
42-507-31635	TMH OIL COMPANY	Oil	08548
42-507-31636	OMEGA MINERALS, INC.
42-507-31637	JENNINGS EXPLORATION COMPANY
42-507-31639	HAJECATE OIL COMPANY
42-507-31640	RETAMCO, INC
42-507-31641
42-507-31642	BOGEY OIL & GAS	Gas	101432
42-507-31643	RETAMCO, INC
42-507-31644	RETAMCO, INC
42-507-31645	GENESIS ST OPERATING LLC	Oil	08342
42-507-31646	ATLAS OPERATING LLC	Oil	08089
42-507-31647	WOODHAM CORPORATION
42-507-31648	RETAMCO, INC
42-507-31649	RETAMCO, INC
42-507-31650	E-COR, INC.	Gas	098859
42-507-31651	PICOSA, L.L.C.	Oil	07956
42-507-31652	RBD-PNB OPERATING AGENCY	Oil
42-507-31653	JENNINGS EXPLORATION COMPANY	Oil
42-507-31654	BRYMER OPERATING	Oil	08274
42-507-31655	HUGHES & HUGHES
42-507-31656	ZAVALA ENERGY, INC.
42-507-31657	ARRCO OPERATING, LLC -	Oil	07448
42-507-31659	WINN EXPLORATION/DULCE COMPANY	Gas	129756
42-507-31660	RETAMCO, INC
42-507-31661	RETAMCO, INC
42-507-31662	BXP OPERATING, LLC	Gas	101634
42-507-31663	WINN EXPLORATION/DULCE COMPANY
42-507-31664
42-507-31665	CARR, F. WILLIAM
42-507-31666	MATZINGER PETROLEUM CO	Gas
42-507-31667	SOTEX OIL & GAS CORP.
42-507-31668	MCDAY ENERGY CORP.	Gas	100550
42-507-31669	MATZINGER PETROLEUM CO	Gas
42-507-31670	EXPLORATION COMPANY, THE	Oil	11803
42-507-31671	MCDAY ENERGY CORP.	Oil	14868
42-507-31672	MCDAY ENERGY CORP.	Gas	100548
42-507-31673	KP EXPLORATION, INC.
42-507-31674	WINN EXPLORATION/DULCE COMPANY
42-507-31675	MCDAY ENERGY CORP.	Gas	100438
42-507-31676	WINN EXPLORATION/DULCE COMPANY	Gas	113235
42-507-31677	MCDAY ENERGY CORP.	Oil	07902
42-507-31678	MCDAY ENERGY CORP.	Oil	07902
42-507-31679	ASTRO PRODUCTION, INC.
42-507-31680	MCDAY ENERGY CORP.	Oil	07902
42-507-31681	MCDAY ENERGY CORP.	Oil	07902
42-507-31682	MCDAY ENERGY CORP.	Oil	07902
42-507-31683	MCDAY ENERGY CORP.	Oil	07902
42-507-31684	MCDAY ENERGY CORP.	Oil	07902
42-507-31685	MCDAY ENERGY CORP.	Oil	07902
42-507-31686	J-W OPERATING CO.	Oil	13041
42-507-31687	BOMMER ENGINEERING CO.
42-507-31688	CLEMCO
42-507-31689	ROME EXPLORATION CO, INC.
42-507-31690	ROME EXPLORATION CO, INC.
42-507-31691	ROME EXPLORATION CO, INC.	Gas
42-507-31692	MCDAY ENERGY CORP.	Gas	130831
42-507-31693	DYAD ASSOCIATES
42-507-31695	BOMMER ENGINEERING CO.
42-507-31696	CUATRO PETRO CORP.	Oil	05398
42-507-31697	MCDAY ENERGY CORP.	Oil	12632
42-507-31698	WINN EXPLORATION/DULCE COMPANY
42-507-31699	WINN EXPLORATION/DULCE COMPANY
42-507-31700	WINN EXPLORATION/DULCE COMPANY
42-507-31701	MCDAY ENERGY CORP.	Oil	08655
42-507-31702	MCDAY ENERGY CORP.	Gas	103971
42-507-31703	QUATRO OIL AND GAS, INC.	Gas	104465
42-507-31704	UVALDE ENERGY CO.	Gas	100552
42-507-31705	E-COR, INC.	Oil
42-507-31706	WINN EXPLORATION/DULCE COMPANY
42-507-31707
42-507-31708	ROME EXPLORATION CO, INC.
42-507-31709	SPILLER, J.A.	Gas
42-507-31710	RIO GRAND EXPLORATION, LLC	Gas	130408
42-507-31711	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31712	WINN EXPLORATION/DULCE COMPANY
42-507-31713	SPILLER, ROBERT S.	Gas	101632
42-507-31714	SOTEX OIL & GAS CORP.
42-507-31715	R.B.S. OIL & GAS INC.	Oil	08388
42-507-31716	MCDAY ENERGY CORP.	Gas	102559
42-507-31717	EXXON CORP.
42-507-31718	MUELLER ENGINEERING CORP.
42-507-31719	DRIVER INVESTMENTS, INC.	Oil
42-507-31720	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31721	SPILLER, ROBERT S.	Gas	103680
42-507-31722	WINN EXPLORATION/DULCE COMPANY
42-507-31723	WINN EXPLORATION/DULCE COMPANY
42-507-31724	WINN EXPLORATION/DULCE COMPANY
42-507-31725	WINN EXPLORATION/DULCE COMPANY
42-507-31726	Winn Exploration Co., Inc.	Gas	103166
42-507-31727	MWJ PRODUCING COMPANY
42-507-31728	WINN EXPLORATION/DULCE COMPANY
42-507-31729	MCDAY ENERGY CORP.	Oil	08655
42-507-31730	WINN EXPLORATION/DULCE COMPANY
42-507-31731	WINN EXPLORATION/DULCE COMPANY	Oil	08653
42-507-31732	SUNDOWN ENERGY COMPANY,INC.
42-507-31733	SUNDOWN ENERGY COMPANY,INC.
42-507-31734	SUNDOWN ENERGY COMPANY,INC.
42-507-31735	REGENCY ENERGY, INC.	Gas	128795
42-507-31736	GLENCO OIL & GAS COMPANY
42-507-31737	UVALDE ENERGY CO.	Oil
42-507-31738	MCDAY ENERGY CORP.	Gas	102695
42-507-31739	HAJECATE OIL COMPANY
42-507-31740	GENESIS ST OPERATING LLC	Oil	08342
42-507-31741	JENNINGS EXPLORATION COMPANY
42-507-31742	ROME EXPLORATION CO, INC.
42-507-31743	MATZINGER PETROLEUM CO
42-507-31744	MCDAY ENERGY CORP.	Oil
42-507-31745	MATZINGER PETROLEUM CO
42-507-31746	MATZINGER PETROLEUM CO
42-507-31747	MATZINGER PETROLEUM CO
42-507-31748	MATZINGER PETROLEUM CO	Gas
42-507-31749	SUNDOWN ENERGY COMPANY,INC.
42-507-31750	SUNDOWN ENERGY COMPANY,INC.
42-507-31751	SUNDOWN ENERGY CO. INC
42-507-31752	SUNDOWN ENERGY COMPANY,INC.
42-507-31753
42-507-31754	BOMMER ENGINEERING CO.
42-507-31755	SCOTT, TRAVIS & JOHN WILLIAMSON	Gas
42-507-31756	PETROLERO CORP.
42-507-31757	KGMH CORPORATION
42-507-31758	OMEGA MINERALS, INC.
42-507-31759	MCDAY ENERGY CORP.	Oil	08655
42-507-31760	WINN EXPLORATION/DULCE COMPANY	Oil	08655
42-507-31761	MCDAY ENERGY CORP.	Oil
42-507-31762	MCDAY ENERGY CORP.	Gas	122107
42-507-31763	MCDAY ENERGY CORP.	Oil
42-507-31764
42-507-31765	SUNDOWN ENERGY COMPANY,INC.
42-507-31766	E-COR, INC.	Oil
42-507-31767	TRIGG DRILLING CO., INC.
42-507-31768	MCDAY ENERGY CORP.	Oil
42-507-31769	MCDAY ENERGY CORP.	Oil	07902
42-507-31770	WINN EXPLORATION/DULCE COMPANY
42-507-31771	WINN EXPLORATION/DULCE COMPANY	Oil	08655
42-507-31772	GLENCO OIL & GAS COMPANY
42-507-31773	MCDAY ENERGY CORP.	Oil	07902
42-507-31774	JENNINGS EXPLORATION COMPANY	Oil
42-507-31775	JOHNSON, B. K.	Gas	103642
42-507-31776	MCDAY ENERGY CORP.	Oil	07902
42-507-31777	MCDAY ENERGY CORP.	Oil
42-507-31778	MCDAY ENERGY CORP.	Oil
42-507-31779	REO OPERATING LLC	Oil	06379
42-507-31780	Winn Exploration Co., Inc.	Gas	103682
42-507-31781	MCDAY ENERGY CORP.	Oil
42-507-31782
42-507-31783	WINN EXPLORATION/DULCE COMPANY	Oil	08655
42-507-31784	MCDAY ENERGY CORP.	Oil	08655
42-507-31785	E-COR, INC.	Gas
42-507-31786	MCDAY ENERGY CORP.	Oil	08653
42-507-31787	JENNINGS EXPLORATION COMPANY	Oil
42-507-31788	MATZINGER PETROLEUM CO
42-507-31789
42-507-31790	MCDAY ENERGY CORP.	Oil
42-507-31791	MCDAY ENERGY CORP.	Oil	08655
42-507-31792	MCDAY ENERGY CORP.	Oil	08653
42-507-31793	MCDAY ENERGY CORP.	Oil	08655
42-507-31794	WINN EXPLORATION/DULCE COMPANY	Oil	07902
42-507-31795	WOODHAM OIL CORPORATION	Oil	08975
42-507-31796	MCDAY ENERGY CORP.	Oil	07902
42-507-31797	LIVE OAK GAS COMPANY	Oil
42-507-31798	OSBORNE OIL CO.
42-507-31799	OSBORNE OIL CO.
42-507-31800	MCDAY ENERGY CORP.	Oil	08655
42-507-31801	MCDAY ENERGY CORP.	Gas	106193
42-507-31802	MCDAY ENERGY CORP.	Gas	126716
42-507-31803	WINN EXPLORATION/DULCE COMPANY	Gas	131854
42-507-31804	WINN EXPLORATION/DULCE COMPANY
42-507-31805	GILLEY, SAM D.	Gas	105335
42-507-31806	MCDAY ENERGY CORP.
42-507-31807	HAJECATE OIL COMPANY
42-507-31808	MCDAY ENERGY CORP.	Oil	08653
42-507-31809	MCDAY ENERGY CORP.	Gas	105664
42-507-31810	LYNCH, W. W.
42-507-31811	MCDAY ENERGY CORP.	Oil	08653
42-507-31812	MCDAY ENERGY CORP.	Gas	104254
42-507-31813	OSBORNE OIL CO.
42-507-31814	LYNCH, W. W.
42-507-31815	WINN EXPLORATION/DULCE COMPANY
42-507-31816	WINN EXPLORATION/DULCE COMPANY
42-507-31817	MATZINGER PETROLEUM CO
42-507-31818	MCDAY ENERGY CORP.	Oil	08653
42-507-31819	MCDAY ENERGY CORP.	Oil	07902
42-507-31820	WINN EXPLORATION/DULCE COMPANY
42-507-31821	WINN EXPLORATION/DULCE COMPANY
42-507-31822
42-507-31823	MCDAY ENERGY CORP.	Oil	08653
42-507-31824	MCDAY ENERGY CORP.	Gas	105973
42-507-31825
42-507-31826	WINN EXPLORATION/DULCE COMPANY
42-507-31827	MCDAY ENERGY CORP.	Gas	108370
42-507-31828
42-507-31829	E-COR, INC.	Gas
42-507-31830	MCDAY ENERGY CORP.	Oil
42-507-31831	WINN EXPLORATION/DULCE COMPANY	Gas	118191
42-507-31832	WINN EXPLORATION/DULCE COMPANY
42-507-31833	MCDAY ENERGY CORP.	Oil	08653
42-507-31834	MCDAY ENERGY CORP.	Oil	08653
42-507-31835	KP EXPLORATION, INC.
42-507-31836	MCDAY ENERGY CORP.	Gas	106223
42-507-31837	WINN EXPLORATION/DULCE COMPANY
42-507-31838	MCDAY ENERGY CORP.	Oil	08655
42-507-31839	MCDAY ENERGY CORP.	Gas
42-507-31840	WINN EXPLORATION/DULCE COMPANY
42-507-31841	MCDAY ENERGY CORP.	Oil	08653
42-507-31842	SPILLER, J.A.
42-507-31843	WINN EXPLORATION/DULCE COMPANY
42-507-31844	WOODHAM OIL CORPORATION
42-507-31845	MCDAY ENERGY CORP.	Oil	07902
42-507-31846	MCDAY ENERGY CORP.	Gas	106225
42-507-31847	MCDAY ENERGY CORP.	Oil	08653
42-507-31848	WINN EXPLORATION/DULCE COMPANY
42-507-31849	WINN EXPLORATION/DULCE COMPANY
42-507-31850	WINN EXPLORATION/DULCE COMPANY
42-507-31851	MCDAY ENERGY CORP.	Oil	08653
42-507-31852	MCDAY ENERGY CORP.	Oil	08653
42-507-31853	MCDAY ENERGY CORP.	Oil	07902
42-507-31854	WINN EXPLORATION/DULCE COMPANY	Gas	131508
42-507-31855
42-507-31856	MCDAY ENERGY CORP.	Oil	07902
42-507-31857	MCDAY ENERGY CORP.	Oil	08653
42-507-31858	MCDAY ENERGY CORP.	Oil	08655
42-507-31859	MCDAY ENERGY CORP.	Oil	08653
42-507-31860	MCDAY ENERGY CORP.	Oil	08653
42-507-31861	MCDAY ENERGY CORP.	Gas	106205
42-507-31863
42-507-31864	EXXON CORP.
42-507-31865	EXXON CORP.
42-507-31866
42-507-31867	GILLEY, SAM D.	Gas	105338
42-507-31868	PETROLERO CORP.
42-507-31870
42-507-31871
42-507-31872	EXXON CORP.
42-507-31873	SUNDOWN ENERGY CO. INC
42-507-31874	MCDAY ENERGY CORP.	Oil	08653
42-507-31875	MCDAY ENERGY CORP.	Oil	08653
42-507-31876	TXCO RESOURCES INC.	Oil	05565
42-507-31877	Texaco Inc.
42-507-31878	CIVRON PETROLEUM RES., LLC	Oil	10256
42-507-31879	GRAHAM EXPLORATION, LTD.
42-507-31880	GRAHAM EXPLORATION, LTD.	Oil
42-507-31881	ARRCO OPERATING, LLC -	Oil	07448
42-507-31882	JENNINGS EXPLORATION COMPANY
42-507-31883	GILLEY, SAM D.	Gas	115152
42-507-31884
42-507-31885	MCDAY ENERGY CORP.	Oil	08653
42-507-31886	CIBOLO ENERGY OPERATING, INC.	Oil	05073
42-507-31887	MCDAY ENERGY CORP.	Oil	08653
42-507-31888	JENNINGS EXPLORATION COMPANY
42-507-31889	ZAVALA ENERGY, INC.	Gas
42-507-31890	MCDAY ENERGY CORP.	Oil	08655
42-507-31891	MCDAY ENERGY CORP.	Oil	08655
42-507-31892	JENNINGS EXPLORATION COMPANY	Oil
42-507-31893	DIVERSIFIED O&G PROD. CO., INC.	Oil	06152
42-507-31894	DRIVER INVESTMENTS, INC.
42-507-31895	JENNINGS EXPLORATION COMPANY
42-507-31896	JENNINGS EXPLORATION COMPANY
42-507-31897	KP EXPLORATION, INC.
42-507-31898	NORTH TEXAS PETROLEUM, INC.
42-507-31899	WINN EXPLORATION/DULCE COMPANY
42-507-31900	WINN EXPLORATION/DULCE COMPANY
42-507-31901	WINN EXPLORATION/DULCE COMPANY	Gas	130997
42-507-31902	JENNINGS EXPLORATION COMPANY
42-507-31903	JENNINGS EXPLORATION COMPANY
42-507-31904	WINN EXPLORATION/DULCE COMPANY
42-507-31905	WINN EXPLORATION/DULCE COMPANY	Gas	116837
42-507-31906	OMNI OPERATING COMPANY(A)	Oil
42-507-31907	QUATRO OIL AND GAS, INC.	Gas	107055
42-507-31908	WINN EXPLORATION/DULCE COMPANY	Gas	117715
42-507-31909	LOMA VERDE, INC.
42-507-31910	MCDAY ENERGY CORP.	Oil	08653
42-507-31911	MCDAY ENERGY CORP.	Oil
42-507-31912	MCDAY ENERGY CORP.	Gas	112578
42-507-31913	MCDAY ENERGY CORP.	Oil	08653
42-507-31914	WINN EXPLORATION/DULCE COMPANY
42-507-31915	MCDAY ENERGY CORP.	Gas	130996
42-507-31916	MCDAY ENERGY CORP.	Oil	08653
42-507-31917	WINN EXPLORATION/DULCE COMPANY
42-507-31918	GILLEY, SAM D.	Gas	105336
42-507-31919
42-507-31920	WINN EXPLORATION/DULCE COMPANY	Gas	126717
42-507-31921	SPILLER, J.A.
42-507-31922	WEEKS EXPLORATION COMPANY
42-507-31923	DINERO OIL CORPORATION	Gas
42-507-31924	OMNI OPERATING COMPANY(A)	Oil	05374
42-507-31925	SPILLER, J.A.
42-507-31926	EUROPEAN-SOUTHWEST CO.
42-507-31927	MCDAY ENERGY CORP.	Gas	107059
42-507-31928	COLE, FRANK W ENGINEERING	Oil	12119
42-507-31929	MCDAY ENERGY CORP.	Gas	122467
42-507-31930	JENNINGS EXPLORATION COMPANY
42-507-31931	MCDAY ENERGY CORP.	Oil	08655
42-507-31932	VAUGHAN, BEN F. III
42-507-31934	RETAMCO OPERATING, INC.	Gas
42-507-31935	WINN EXPLORATION/DULCE COMPANY
42-507-31936	B-G OPERATING INC.	Gas	104999
42-507-31937	ROME EXPLORATION CO, INC.	Gas
42-507-31938	RETAMCO, INC
42-507-31939
42-507-31940	WOODHAM OIL CORPORATION
42-507-31941	THALMANN OIL FIELD SERVICE, INC.
42-507-31942	GILLEY, SAM D.	Gas	105329
42-507-31943	MCDAY ENERGY CORP.	Oil	08655
42-507-31944	MCDAY ENERGY CORP.	Gas	106227
42-507-31945	KP EXPLORATION, INC.
42-507-31946	WINN EXPLORATION/DULCE COMPANY	Gas	106221
42-507-31947	B-G OPERATING INC.
42-507-31948	B-G OPERATING INC.	Gas	105974
42-507-31949	EUROPEAN-SOUTHWEST CO.
42-507-31950	RIO DE ORO OIL & GAS CORP.
42-507-31951	LADD PETROLEUM CORP.
42-507-31952	MATADOR PRODUCTION COMPANY	Oil	09289
42-507-31953	ROME EXPLORATION CO, INC.	Gas
42-507-31954	B-G OPERATING INC.	Gas	106430
42-507-31955	DINERO OIL CORPORATION
42-507-31956	RETAMCO, INC
42-507-31957	MCDAY ENERGY CORP.	Oil	08653
42-507-31958	Terra Energy	Gas	106615
42-507-31959	E-COR, INC.	Gas	120642
42-507-31960	WINN EXPLORATION/DULCE COMPANY
42-507-31961	WINN EXPLORATION/DULCE COMPANY	Gas
42-507-31962	ZAVALA ENERGY, INC.	Gas	114694
42-507-31963	WOODHAM OIL CORPORATION	Gas	107179
42-507-31964	ZAVALA ENERGY, INC.	Oil	12266
42-507-31965	JENNINGS EXPLORATION COMPANY
42-507-31966	B-G OPERATING INC.	Gas	107191
42-507-31967	MATADOR PRODUCTION COMPANY	Oil	09912
42-507-31968	R. H. ENERGY CO., INC.	Oil	12076
42-507-31969	WILLIAMSON OPERATING CO.	Gas	112237
42-507-31970	ASTRO PRODUCTION, INC.
42-507-31971	HUGHES & HUGHES
42-507-31972	DINERO OIL CORPORATION
42-507-31973	Terra Energy	Gas	106614
42-507-31974
42-507-31975	RIO DE ORO OIL & GAS CORP.
42-507-31976	WINN EXPLORATION/DULCE COMPANY
42-507-31977
42-507-31979	JENNINGS EXPLORATION COMPANY	Gas
42-507-31980	JENNINGS EXPLORATION COMPANY
42-507-31981	ROME EXPLORATION CO, INC.	Gas
42-507-31982	STRINGER OIL & GAS CO., INC.
42-507-31983	PICOSA, L.L.C.	Oil	07956
42-507-31984	BOLLINGER DRILLING CO.	Oil	09351
42-507-31985
42-507-31986	B-G OPERATING INC.	Gas	107746
42-507-31987	STRINGER OIL & GAS
42-507-31988
42-507-31989	MATZINGER PETROLEUM CO
42-507-31990	MATZINGER PETROLEUM CO
42-507-31991	WINN EXPLORATION/DULCE COMPANY
42-507-31992	WINN EXPLORATION/DULCE COMPANY
42-507-31993	STRINGER OIL & GAS
42-507-31994	ARROW PETROLEUM COMPANY
42-507-31995	JENNINGS EXPLORATION COMPANY	Gas
42-507-31996	E-COR, INC.
42-507-31997	MATZINGER PETROLEUM CO
42-507-31998
42-507-31999	MATADOR PRODUCTION COMPANY	Gas
42-507-32000
42-507-32001	VAUGHAN, BEN F. III
42-507-32002	MUELLER ENGINEERING CORP.	Gas
42-507-32003
42-507-32004	ROME EXPLORATION CO, INC.	Gas
42-507-32005	ZAVALA ENERGY, INC.
42-507-32006	WILLIAMSON OPERATING CO.	Oil	09958
42-507-32007	WILLIAMSON OPERATING CO.	Oil	09957
42-507-32008
42-507-32009
42-507-32010	TAYLOR, M. W. INC.
42-507-32011	EXXON CORP.
42-507-32012	REMUDA OPERATING COMPANY	Gas	110844
42-507-32013	JENNINGS EXPLORATION COMPANY
42-507-32014	DIVERSIFIED O&G PROD. CO., INC.	Oil	06152
42-507-32015	MUELLER ENGINEERING CORP.
42-507-32016	E-COR, INC.
42-507-32017
42-507-32018	FRIO SWD, INC.	Gas	109017
42-507-32019	BOLLINGER DRILLING CO.	Oil	09351
42-507-32020	BOLLINGER DRILLING CO.	Oil	09351
42-507-32021	JENNINGS EXPLORATION COMPANY
42-507-32022	JENNINGS EXPLORATION COMPANY
42-507-32023	JENNINGS EXPLORATION COMPANY	Gas
42-507-32024	SPILLER, J.A.	Gas
42-507-32025	JENNINGS EXPLORATION COMPANY
42-507-32026
42-507-32027
42-507-32028	WINN EXPLORATION/DULCE COMPANY
42-507-32029	J-W OPERATING CO.	Gas	110252
42-507-32030	WOODHAM OIL CORPORATION	Gas	110718
42-507-32031
42-507-32032
42-507-32033	E-COR, INC.	Gas	110826
42-507-32034	WOODHAM OIL CORPORATION
42-507-32035	PICOSA, L.L.C.	Oil	07956
42-507-32036	WITHERSPOON OIL COMPANY	Oil	05931
42-507-32037	WILLIAMSON DRILLING CO., INC.
42-507-32038	WILLIAMSON DRILLING CO., INC.
42-507-32039	MUELLER ENGINEERING CORP.
42-507-32040	WILLIAMSON OPERATING CO.	Gas	110830
42-507-32041
42-507-32042	TEXOKAN OPERATING, INC.	Oil	05918
42-507-32043	SOUTHWEST OIL & LAND, INC.	Oil	05284
42-507-32044	WILLIAMSON DRILLING CO., INC.	Gas	112242
42-507-32045
42-507-32046	Terra Energy	Gas	111691
42-507-32047	WILLIAMSON DRILLING CO., INC.
42-507-32048	PECOS DEVELOPMENT CORPORATION
42-507-32049	ROME EXPLORATION CO, INC.	Gas
42-507-32050
42-507-32051	E-COR, INC.	Oil
42-507-32052
42-507-32053
42-507-32054	RUTLEDGE, JACK	Gas	111800
42-507-32055	WILLIAMSON DRILLING CO., INC.
42-507-32056	WINN EXPLORATION/DULCE COMPANY
42-507-32057	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32058	JENNINGS EXPLORATION COMPANY
42-507-32059	TUCKER, ALLAN C.
42-507-32060	MATZINGER PETROLEUM CO	Gas
42-507-32061	BAY ROCK OPERATING COMPANY
42-507-32062	MUREXCO PETROLEUM, INC.
42-507-32063
42-507-32064	SANTA CLARA CORP., THE
42-507-32065	J-W OPERATING CO.	Gas	114052
42-507-32066	MATZINGER PETROLEUM CO
42-507-32067
42-507-32068
42-507-32069	UVALDE ENERGY CO.	Oil	09865
42-507-32070	WOODHAM OIL CORPORATION	Oil	09890
42-507-32071
42-507-32072	WILLIAMSON OPERATING CO.	Gas	116744
42-507-32073
42-507-32074	VIRTEX OPERATING COMPANY, INC.	Oil	10321
42-507-32075	J-W OPERATING CO.	Gas	114568
42-507-32076	J-W OPERATING CO.	Gas	116740
42-507-32077	CASTLE GAS CORPORATION
42-507-32078	PRODUCTION RESOURCES, INC.	Gas	115103
42-507-32079	J-W OPERATING CO.	Gas	114569
42-507-32080	WOODHAM OIL CORPORATION	Oil	13686
42-507-32081	ESENJAY PETROLEUM CORP.
42-507-32082	SPUR OPERATING CO.	Gas	114053
42-507-32083	Terra Energy	Gas	114874
42-507-32084	REGENCY ENERGY, INC.	Oil	10151
42-507-32085	E-COR, INC.	Gas	118215
42-507-32086
42-507-32087	WILLIAMSON DRILLING CO., INC.
42-507-32088
42-507-32089	QUATRO OIL AND GAS, INC.	Gas	115102
42-507-32090	BOLLINGER DRILLING CO.	Oil	09351
42-507-32091
42-507-32092	COMANCHE CRUDE OIL CO.	Oil	10297
42-507-32093	RICKAWAY ENERGY, CORP.	Oil	10149
42-507-32094	EXCO OPERATING COMPANY, LP	Gas	115918
42-507-32095	RIO-TEX, INC.	Gas	115289
42-507-32096
42-507-32097
42-507-32098	BRIDGER OIL INC.	Oil	06437
42-507-32099	TUBULAR-WELLHEAD SERVICES, INC.
42-507-32100	PICOSA, L.L.C.	Oil
42-507-32101
42-507-32102	MUELLER ENGINEERING CORP.
42-507-32103	MCCORD EXPLORATION CO.
42-507-32104
42-507-32105	LYNCH, W. W.
42-507-32106	ALLIED HYDRO. & EQUITABLE ENERGY
42-507-32107	WILLIAMSON OPERATING CO.	Gas	118220
42-507-32108	BOTASCH OPERATING, LLC	Oil	10297
42-507-32109	BOTASCH OPERATING, LLC	Oil	10297
42-507-32110	SPILLER, J.A.
42-507-32111	WINN EXPLORATION/DULCE COMPANY
42-507-32112	WINN EXPLORATION/DULCE COMPANY
42-507-32113
42-507-32114	CRIMSON EXPLORATION OPER., INC.	Gas	135361
42-507-32115	VIRTEX OPERATING COMPANY, INC.	Oil	10321
42-507-32116
42-507-32117	EXXCEL OPERATING COMPANY	Oil	11520
42-507-32118	EXXCEL OPERATING COMPANY	Oil	11520
42-507-32119
42-507-32120	BOLLINGER DRILLING CO.	Oil	09351
42-507-32121	RUCKMICK, JOHN C.
42-507-32122	BXP OPERATING, LLC	Gas	117347
42-507-32123	PACIFIC OPERATORS, INC.	Gas	117542
42-507-32124	PACIFIC OPERATORS, INC.	Gas	117544
42-507-32125
42-507-32126	TOTAL PRODUCTION SERVICES, INC.	Gas	117045
42-507-32127	ROME EXPLORATION CO, INC.	Gas
42-507-32128	RETAMA OIL CORPORATION	Oil	05455
42-507-32129	MCCORD EXPLORATION CO.	Gas	129283
42-507-32130	LITTLE OIL & GAS, INC.
42-507-32131	MCCORD EXPLORATION CO.	Gas	122203
42-507-32132	OILTON RESOURCES, INC.	Oil	10549
42-507-32133	RETAMA OIL CORPORATION	Oil	04909
42-507-32134
42-507-32135	E-COR, INC.
42-507-32136	VICEROY PETROLEUM, LP	Oil	10610
42-507-32137	Winn Exploration Co., Inc.	Gas	118098
42-507-32138
42-507-32139	WINN EXPLORATION/DULCE COMPANY
42-507-32140	JENNINGS EXPLORATION COMPANY
42-507-32141	MUREXCO PETROLEUM, INC.
42-507-32142
42-507-32143
42-507-32144	J-W OPERATING CO.	Gas	118261
42-507-32145	WILLIAMSON DRILLING CO., INC.	Oil
42-507-32146	ROME EXPLORATION CO, INC.	Gas
42-507-32147	PICOSA, L.L.C.	Oil
42-507-32148	WITHERSPOON OIL COMPANY	Oil	05930
42-507-32149	WILLIAMSON DRILLING CO., INC.	Gas	118096
42-507-32150	WILLIAMSON DRILLING CO., INC.
42-507-32151	MCDAY ENERGY CORP.	Oil	10592
42-507-32152	TRIUMPH ENERGY, INC.
42-507-32153
42-507-32154	JENNINGS EXPLORATION COMPANY	Gas
42-507-32155
42-507-32156	RETAMA OIL CORPORATION
42-507-32157	WILLIAMSON OPERATING CO.	Oil	13316
42-507-32158
42-507-32159
42-507-32160	PACIFIC OPERATORS, INC.	Gas	119041
42-507-32161	MCDAY ENERGY CORP.	Oil	10592
42-507-32162	CIVRON PETROLEUM RES., LLC	Oil	05226
42-507-32163	MCDAY ENERGY CORP.	Oil	10592
42-507-32164	MCDAY ENERGY CORP.	Oil	10592
42-507-32165	WINN EXPLORATION/DULCE COMPANY
42-507-32166
42-507-32167	WINN EXPLORATION/DULCE COMPANY
42-507-32168	REGENCY ENERGY, INC.	Gas	128794
42-507-32169	MUREXCO PETROLEUM, INC.
42-507-32170
42-507-32171	E-COR, INC.
42-507-32172	CONTANGO RESOURCES, INC.	Gas	120088
42-507-32173	MATZINGER PETROLEUM CO
42-507-32174	BXP OPERATING, LLC	Gas	121491
42-507-32175	MATZINGER PETROLEUM CO
42-507-32176	J-W OPERATING CO.	Gas	120517
42-507-32177
42-507-32178
42-507-32179	OXSON CO.	Oil	11839
42-507-32180	REGENCY ENERGY, INC.	Gas	120516
42-507-32181	SHAWNEE OPERATING COMPANY	Gas	148045
42-507-32182
42-507-32183	MANITOU EXPLORATION CO OF TX,INC
42-507-32184	MANITOU EXPLORATION CO OF TX,INC
42-507-32185	MANITOU EXPLORATION CO OF TX,INC
42-507-32186	MANITOU EXPLORATION CO OF TX,INC
42-507-32187	REGENCY ENERGY, INC.	Gas	127762
42-507-32188
42-507-32189	CRIMSON EXPLORATION OPER., INC.	Gas	121309
42-507-32190	J-W OPERATING CO.	Gas	123812
42-507-32191	RBD-PNB OPERATING AGENCY
42-507-32192
42-507-32193	TRINITY OPERATING (USG), LLC	Oil	04421
42-507-32194	WILLIAMSON DRILLING CO., INC.
42-507-32195	MATZINGER PETROLEUM CO	Gas	121798
42-507-32196	MATZINGER PETROLEUM CO
42-507-32197	Winn Exploration Co., Inc.
42-507-32198	EL INDIO OPERATING CO., INC.	Gas	122482
42-507-32199	HEXAGON OIL AND GAS INC.
42-507-32200
42-507-32201	GEOLAND, INC.	Oil
42-507-32202	MUELLER ENGINEERING CORP.
42-507-32203	WILLIAMSON DRILLING CO., INC.
42-507-32204	MATZINGER PETROLEUM CO	Gas	132535
42-507-32205	REGENCY ENERGY, INC.	Gas	127763
42-507-32206
42-507-32207	GEOLAND, INC.
42-507-32208	ROME EXPLORATION CO, INC.
42-507-32209	REGENCY ENERGY, INC.	Gas	124757
42-507-32210	BRIDGER OIL INC.
42-507-32211	CUATRO PETRO CORP.	Oil
42-507-32212	CUATRO PETRO CORP.	Oil
42-507-32213	TIDELANDS OIL CORPORATION
42-507-32214	CUATRO PETRO CORP.	Oil	12013
42-507-32215
42-507-32216	CUATRO PETRO CORP.	Oil
42-507-32217	CUATRO PETRO CORP.	Oil	12013
42-507-32218	SPILLER, J.A.
42-507-32219	SPILLER, ROBERT S.	Gas	129282
42-507-32220	FAMCOR OIL, INC.	Gas	127759
42-507-32221	SETEX OIL AND GAS COMPANY	Gas	184782
42-507-32222	STRINGER OIL & GAS CO., INC.
42-507-32223	WILLIAMSON OPERATING CO.
42-507-32224	JENNINGS EXPLORATION COMPANY
42-507-32225
42-507-32226	WILBANKS ENERGY CORPORATION	Oil	14024
42-507-32227
42-507-32228
42-507-32229	FAMCOR OIL, INC.	Oil	12210
42-507-32230	SPILLER, ROBERT S.	Gas	132984
42-507-32231	SCOTT, TRAVIS & JOHN WILLIAMSON
42-507-32232	GILLEY, SAM D.	Gas	130520
42-507-32233	Union Pacific Resources Company
42-507-32234	EGAN RESOURCES INC.
42-507-32235	RIO GRAND EXPLORATION, LLC	Gas	232852
42-507-32236	UVALDE ENERGY CO.	Gas	130522
42-507-32237	JB OIL & GAS WELL SERVICE
42-507-32238
42-507-32239	WILLIAMSON OPERATING CO.	Gas	130519
42-507-32240	WILLIAMSON OPERATING CO.
42-507-32241
42-507-32242	ROME EXPLORATION CO, INC.
42-507-32243	REGENCY ENERGY, INC.	Gas	130984
42-507-32244	SPILLER, ROBERT S.
42-507-32245	ORYX ENERGY COMPANY	Oil	12264
42-507-32246	STRINGER OIL & GAS CO., INC.
42-507-32247
42-507-32248	AMHERST EXPLORATION CO., INC.
42-507-32249	SPILLER, ROBERT S.	Gas	131483
42-507-32250	SPILLER, ROBERT S.
42-507-32251	SPILLER, ROBERT S.	Gas	132247
42-507-32252	SCOTT, TRAVIS & JOHN WILLIAMSON
42-507-32253	SCOTT, TRAVIS & JOHN WILLIAMSON
42-507-32254	SCOTT, TRAVIS & JOHN WILLIAMSON
42-507-32255	SCOTT, TRAVIS & JOHN WILLIAMSON
42-507-32256	ROME EXPLORATION CO, INC.
42-507-32257	TRINITY OPERATING (USG), LLC	Oil	12350
42-507-32258	S & L OIL FIELD SERVICES	Oil	12345
42-507-32259	TRINITY OPERATING (USG), LLC	Oil	12370
42-507-32260	ORYX ENERGY COMPANY	Oil	12360
42-507-32261	ORYX ENERGY COMPANY	Oil	12360
42-507-32262	STP PRODUCTION, LLC	Oil	12375
42-507-32263	BAXTER, KELLY H.	Oil	12348
42-507-32264	UVALDE ENERGY CO.
42-507-32265	UVALDE ENERGY CO.
42-507-32266	S & L OIL FIELD SERVICES	Oil	12361
42-507-32267	BASIN RESOURCES CORPORATION	Oil	12618
42-507-32268	MCDAY ENERGY CORP.	Gas	135052
42-507-32269	CAG PETROLEUM CORP.	Oil	12570
42-507-32270	BLUESTAR ENERGY, INC.	Oil	12381
42-507-32271	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32272	CAG PETROLEUM CORP.	Oil	12376
42-507-32273	BLUESTAR ENERGY, INC.	Oil	13878
42-507-32274	EXXCEL OPERATING COMPANY	Oil	12420
42-507-32275	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32276	AUSTIN RESOURCES CORPORATION	Oil	06816
42-507-32277	TRINITY OPERATING (USG), LLC	Oil	12421
42-507-32278	BAXTER, KELLY H.	Oil	12426
42-507-32279	HAWTHORN ENERGY PARTNERS, LLC	Oil	12785
42-507-32280	DIAMOND PETROLEUM
42-507-32281	1776 ENERGY OPERATORS, LLC	Oil	12835
42-507-32282	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32283
42-507-32284	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32285	JENNINGS EXPLORATION COMPANY	Gas	133896
42-507-32286	ORYX ENERGY COMPANY	Oil	04421
42-507-32287	BAXTER, KELLY H.	Oil	12569
42-507-32288	BARNETT ENERGY, INC.	Oil	12434
42-507-32289	DYNAMIC PRODUCTION, INC.	Oil	12492
42-507-32290	MCDANIEL COMPANY, INC., THE	Oil	13095
42-507-32291	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32292	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32293	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32294	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32295	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32296	SPILLER, ROBERT S.
42-507-32297	Meridian Oil Inc.	Oil	12583
42-507-32298	OMNI OPERATING COMPANY(A)	Oil	05374
42-507-32299	MCDAY ENERGY CORP.	Oil	12478
42-507-32300	BASIN RESOURCES CORPORATION	Oil	12818
42-507-32301	DANTEX OIL & GAS, INC.	Oil	12625
42-507-32302	STP PRODUCTION, LLC	Oil	12375
42-507-32303	SPILLER, ROBERT S.	Gas	134256
42-507-32304	MATADOR PRODUCTION COMPANY	Gas	139614
42-507-32305	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32306	SAN ANTONIO GAS & OIL, INC.	Oil	12507
42-507-32307	SPILLER, ROBERT S.	Gas	134261
42-507-32308	BASIN RESOURCES CORPORATION	Oil	12812
42-507-32309	ANADARKO E&P COMPANY LP	Oil	12508
42-507-32310	MAJESTIC PETROLEUM CORPORATION
42-507-32311	OMNI OPERATING COMPANY(A)	Oil	05374
42-507-32312	ARPEL, INC.
42-507-32313	Glg Energy, L.P.	Oil	13005
42-507-32314	ORYX ENERGY COMPANY	Oil	12852
42-507-32315	GATES OPERATING COMPANY	Oil	12675
42-507-32316	MCDAY ENERGY CORP.	Oil	12478
42-507-32317	MCDAY ENERGY CORP.	Oil	12478
42-507-32318	MCDANIEL COMPANY, INC., THE	Oil	14340
42-507-32319	Eagle Oil & Gas Co.	Oil	12673
42-507-32320	KINLAW OIL CORPORATION	Oil	12726
42-507-32321	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32322	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32323	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32324	CONTANGO RESOURCES, INC.	Oil	12677
42-507-32325	ORYX ENERGY COMPANY	Oil	12751
42-507-32326	FLEUR-DAVID	Oil	13310
42-507-32327	WINDSOR EXPLORATION COMPANY	Oil	12610
42-507-32328
42-507-32329	MCDAY ENERGY CORP.	Oil	12478
42-507-32330	MCDAY ENERGY CORP.	Oil	12478
42-507-32331	SHOWDOWN ENERGY CORPORATION	Oil	12817
42-507-32332	TRINITY OPERATING (USG), LLC	Oil	12350
42-507-32333	ANADARKO E&P COMPANY LP	Oil	12508
42-507-32334	DYNAMIC PRODUCTION, INC.	Oil	12631
42-507-32335	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32336	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32337	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32338	GULF PRODUCTION CORP.	Oil	13189
42-507-32339	MCDAY ENERGY CORP.	Oil	12478
42-507-32340	MCDAY ENERGY CORP.	Oil	12478
42-507-32341	CONTANGO RESOURCES, INC.	Oil	12677
42-507-32342	CONTANGO RESOURCES, INC.	Oil	12425
42-507-32343	ORYX ENERGY COMPANY	Oil	12749
42-507-32344	MCDAY ENERGY CORP.	Oil	12478
42-507-32345	MCDAY ENERGY CORP.	Oil	12478
42-507-32346	KILLAM OIL CO., LTD.	Oil	12700
42-507-32347	Marshall & Winston, Inc.
42-507-32348	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32349	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32350	HAWTHORN ENERGY PARTNERS, LLC	Oil	14627
42-507-32351	EXXCEL OPERATING COMPANY	Oil	12420
42-507-32352	TRINITY OPERATING (USG), LLC	Oil	12741
42-507-32353	ANADARKO E&P COMPANY LP	Oil	12508
42-507-32354	JENNINGS EXPLORATION COMPANY
42-507-32355
42-507-32356	SPILLER OPERATING CO., INC.	Gas	136727
42-507-32357	CAG PETROLEUM CORP.	Oil	12857
42-507-32358	TEXAS AMERICAN RESOURCES COMPANY	Oil	13099
42-507-32359	BARNETT ENERGY, INC.	Oil	12434
42-507-32360	PYRAMID ENERGY, INC.
42-507-32361	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-32362	MCDAY ENERGY CORP.	Oil	12954
42-507-32363	CML EXPLORATION, LLC	Oil	13150
42-507-32364	MCDAY ENERGY CORP.	Oil	12478
42-507-32365	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32366	REACH EXPLORATION
42-507-32367	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32368	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-32369	Wainoco Oil & Gas Company	Oil	13366
42-507-32370	BUFFCO PRODUCTION INC.	Oil	17679
42-507-32371	MCDAY ENERGY CORP.	Oil	12478
42-507-32372	U.S.A. PLUGGING COMPANY	Oil	13064
42-507-32373	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32374	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32375	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32376	ORYX ENERGY COMPANY	Oil	13130
42-507-32377	SJTC HOLDINGS, INC.	Oil	13651
42-507-32378	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-32379	Sage Energy Company	Oil	13156
42-507-32380	BUFFCO PRODUCTION INC.	Oil	12922
42-507-32381	BUFFCO PRODUCTION INC.	Oil	12922
42-507-32382	TRINITY OPERATING (USG), LLC	Oil	05414
42-507-32383	EXPLORATION COMPANY, THE	Oil	13530
42-507-32384	ANADARKO E&P COMPANY LP	Oil	12508
42-507-32385	WCS OIL & GAS CORPORATION	Oil	17948
42-507-32386	Sage Energy Company	Oil	13149
42-507-32387	SPILLER, ROBERT S.
42-507-32388	Wainoco Oil & Gas Company
42-507-32389	RETAMA OIL CORPORATION	Oil	12801
42-507-32390	CIBOLO ENERGY OPERATING, INC.	Oil	05073
42-507-32391	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-32392	TEXAS AMERICAN RESOURCES COMPANY	Oil	13104
42-507-32393	OMNI OPERATING COMPANY(A)	Oil	05374
42-507-32394	Winn Exploration Co., Inc.	Oil	13390
42-507-32395	OMNI OPERATING COMPANY(A)	Oil	05374
42-507-32396	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32397	Union Pacific Resources Company	Oil	13597
42-507-32398	CATARINA PETROLEUM L. C.	Oil	13745
42-507-32399	SAGE MINERALS, INC.
42-507-32400	EXPLORATION COMPANY, THE	Oil	13409
42-507-32401
42-507-32402	BLUESTAR ENERGY, INC.	Oil	12381
42-507-32403	TRINITY OPERATING (USG), LLC	Oil	12741
42-507-32404	SPILLER, ROBERT S.	Gas	137657
42-507-32405	OMNI OPERATING COMPANY(A)	Oil	05374
42-507-32406	ORYX ENERGY COMPANY	Oil	14336
42-507-32407	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-32408
42-507-32409	ORYX ENERGY COMPANY	Oil	13234
42-507-32410	ORYX ENERGY COMPANY	Oil	13237
42-507-32411	TRINITY OPERATING (USG), LLC	Oil	13173
42-507-32412	TRINITY OPERATING (USG), LLC	Oil	05267
42-507-32413	ORYX ENERGY COMPANY	Oil	13233
42-507-32414	Sage Energy Company	Oil	14652
42-507-32415	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-32416	BLUESTAR ENERGY, INC.	Oil	12381
42-507-32417	ORYX ENERGY COMPANY
42-507-32418	ORYX ENERGY COMPANY	Oil	13130
42-507-32419	TRINITY OPERATING (USG), LLC	Oil	12350
42-507-32420	SPILLER, ROBERT S.	Gas	139532
42-507-32421	QUATRO OIL AND GAS, INC.
42-507-32422	TRINITY OPERATING (USG), LLC	Oil	12370
42-507-32423	STONEGATE OPERATORS, INC.	Oil	05727
42-507-32424	RIO-TEX, INC.
42-507-32425
42-507-32426	ESENJAY PETROLEUM CORP.
42-507-32427	BRIDGER OIL INC.
42-507-32428	Sage Energy Company	Oil	13567
42-507-32429	SPILLER, ROBERT S.	Gas	139986
42-507-32430	MATADOR PRODUCTION COMPANY	Oil	09289
42-507-32431
42-507-32432	UVALDE ENERGY CO.
42-507-32433	KILLAM OIL COMPANY
42-507-32434	GENESIS PRODUCING COMPANY
42-507-32435	CONWAY ENERGY OPER SERVICES INC.	Gas	141477
42-507-32436	GENESIS PRODUCING COMPANY
42-507-32437	BLUESTAR ENERGY, INC.	Oil	14166
42-507-32438	ORYX ENERGY COMPANY	Oil	13570
42-507-32439	ORYX ENERGY COMPANY	Oil	14337
42-507-32440	TEXAS SOUTHERN RESOURCES, INC.	Oil	13565
42-507-32441	ORYX ENERGY COMPANY
42-507-32442	TRINITY OPERATING (USG), LLC	Oil	12421
42-507-32443	ORYX ENERGY COMPANY	Oil	13827
42-507-32444	ANADARKO E&P COMPANY LP	Oil	12508
42-507-32445
42-507-32446	CONWAY ENERGY OPER SERVICES INC.	Gas	141578
42-507-32447	CONWAY ENERGY OPER SERVICES INC.	Gas	141475
42-507-32448	SPILLER, ROBERT S.
42-507-32449	SPILLER, ROBERT S.
42-507-32450	BLUESTAR ENERGY, INC.	Oil	13878
42-507-32451	Winn Exploration Co., Inc.
42-507-32452	GENESIS PRODUCING COMPANY
42-507-32453	GENESIS PRODUCING COMPANY
42-507-32454
42-507-32455	HAWTHORN ENERGY PARTNERS, LLC	Oil	13647
42-507-32456	TRINITY OPERATING (USG), LLC	Oil	13914
42-507-32457
42-507-32458	CONTANGO RESOURCES, INC.	Oil	14537
42-507-32459	SPILLER OPERATING CO., INC.	Gas	142353
42-507-32460	TRINITY OPERATING (USG), LLC	Oil	13627
42-507-32461	VALERO TRANSMISSION, L. P.
42-507-32462	MORTIMER EXPLORATION COMPANY	Oil	13694
42-507-32463	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32464	ORYX ENERGY COMPANY	Oil	13233
42-507-32465	TRINITY OPERATING (USG), LLC	Oil	13173
42-507-32466	E-COR, INC.	Gas	145574
42-507-32467
42-507-32468	GENESIS PRODUCING COMPANY	Gas	145416
42-507-32469	CONWAY ENERGY OPER SERVICES INC.	Gas	145261
42-507-32470	BXP OPERATING, LLC	Gas	145273
42-507-32471	HAWTHORN ENERGY PARTNERS, LLC	Oil	13647
42-507-32472	HAWTHORN ENERGY PARTNERS, LLC	Oil	13647
42-507-32473	TRINITY OPERATING (USG), LLC	Oil	13173
42-507-32474	GENESIS PRODUCING COMPANY
42-507-32475	Sage Energy Company	Oil	13752
42-507-32476	TEXAS SOUTHERN RESOURCES, INC.
42-507-32477	GENESIS PRODUCING COMPANY
42-507-32478	MCDANIEL COMPANY, INC., THE	Oil	14838
42-507-32479	CONTANGO RESOURCES, INC.	Oil	14450
42-507-32480
42-507-32481	Winn Exploration Co., Inc.	Oil	14262
42-507-32482	TEXAS SOUTHERN RESOURCES, INC.
42-507-32483	TEXAS SOUTHERN RESOURCES, INC.
42-507-32484	SPILLER OPERATING CO., INC.	Oil	13974
42-507-32485
42-507-32486	SPILLER, ROBERT S.
42-507-32487	SPILLER, ROBERT S.
42-507-32488	SPILLER OPERATING CO., INC.	Gas	149205
42-507-32489	SPILLER OPERATING CO., INC.	Gas	149275
42-507-32490	SPILLER, ROBERT S.
42-507-32491	CONTANGO RESOURCES, INC.	Oil	13899
42-507-32492	E-COR, INC.	Gas	151122
42-507-32493	CONTANGO RESOURCES, INC.	Oil	13900
42-507-32494	CONTANGO RESOURCES, INC.	Oil	12677
42-507-32495	ZAVALA INDEPENDENT GAS, INC.	Gas	151827
42-507-32496
42-507-32497	TIDEMARK PETROLEUM, INC.
42-507-32498	GENESIS PRODUCING COMPANY
42-507-32499	TEXAS SOUTHERN RESOURCES, INC.
42-507-32500	REMUDA OPERATING COMPANY	Gas	151912
42-507-32501	REMUDA OPERATING COMPANY
42-507-32502
42-507-32503
42-507-32504	TRINITY OPERATING (USG), LLC	Gas	156075
42-507-32505	TRINITY OPERATING (USG), LLC	Gas	157356
42-507-32506
42-507-32507	PRIME OPERATING COMPANY	Gas	156079
42-507-32508	CHI OPERATING, INC.
42-507-32509	HAWTHORN ENERGY PARTNERS, LLC	Oil	13647
42-507-32510
42-507-32511	TECH RESOURCES, INC.	Gas	155351
42-507-32512
42-507-32513	CRIMSON EXPLORATION INC.	Oil	14040
42-507-32514	REGAL PETROLEUM SERVICES	Oil	14017
42-507-32515
42-507-32516	JENNINGS EXPLORATION COMPANY
42-507-32517	BOTASCH OPERATING, LLC	Oil	12726
42-507-32518	ZAVALA INDEPENDENT GAS, INC.	Oil	14559
42-507-32519	CRIMSON EXPLORATION OPER., INC.	Oil	13987
42-507-32520	REGAL PETROLEUM SERVICES	Oil	14038
42-507-32521
42-507-32522	THREE ARROW OPERATING COMPANY	Gas	155660
42-507-32523	RHD HOLDINGS, L.L.C.	Oil	14282
42-507-32524	TECH RESOURCES, INC.
42-507-32525	GENESIS PRODUCING COMPANY
42-507-32526	OSYKA OIL & GAS, INC.
42-507-32527	PROPERTY DEVELOPMENT GROUP, INC.	Oil	14017
42-507-32528	CONWAY ENERGY OPER SERVICES INC.	Gas	160092
42-507-32529	REGAL PETROLEUM SERVICES
42-507-32530
42-507-32531	CIVRON PETROLEUM RES., LLC	Oil	14559
42-507-32532	GENESIS ST OPERATING LLC	Gas	161988
42-507-32533	THREE ARROW OPERATING COMPANY
42-507-32534	PROPERTY DEVELOPMENT GROUP, INC.	Oil	14017
42-507-32535	DAWSEY OPERATING COMPANY	Gas	158041
42-507-32536	REGAL PETROLEUM SERVICES	Gas	160622
42-507-32537	JENNINGS EXPLORATION COMPANY	Gas	158476
42-507-32538	REGAL PETROLEUM SERVICES
42-507-32539	GENESIS ST OPERATING LLC	Gas	161989
42-507-32540	REGAL PETROLEUM SERVICES
42-507-32541	RHD HOLDINGS, L.L.C.	Gas	158938
42-507-32542	PROPERTY DEVELOPMENT GROUP, INC.	Gas	159608
42-507-32543
42-507-32544	DAWSEY OPERATING COMPANY	Gas	160173
42-507-32545	GENESIS PRODUCING COMPANY	Gas	160374
42-507-32546	TXCO RESOURCES INC.	Gas	160608
42-507-32547	TEXOKAN OPERATING, INC.	Oil	14085
42-507-32548	DAWSEY OPERATING COMPANY	Gas	160688
42-507-32549
42-507-32550	TEXOKAN OPERATING, INC.	Oil	14085
42-507-32551
42-507-32552	RHD HOLDINGS, L.L.C.	Gas	162079
42-507-32553	TEXOKAN OPERATING, INC.	Oil	14085
42-507-32554	TEXOKAN OPERATING, INC.	Oil	14085
42-507-32555	O.G.P. OPERATING, INC.
42-507-32556	O.G.P. OPERATING, INC.
42-507-32557	O.G.P. OPERATING, INC.
42-507-32558	O.G.P. OPERATING, INC.
42-507-32559	PICOSA, L.L.C.
42-507-32560	PICOSA, L.L.C.	Oil	07956
42-507-32561	PICOSA, L.L.C.	Oil	07956
42-507-32562	WITHERSPOON OIL COMPANY	Oil	14096
42-507-32563	WITHERSPOON OIL COMPANY	Oil	14096
42-507-32564	WITHERSPOON OIL COMPANY	Oil	14096
42-507-32565	O.G.P. OPERATING, INC.
42-507-32566	WITHERSPOON OIL COMPANY	Oil	14097
42-507-32567	WITHERSPOON OIL COMPANY	Oil	14097
42-507-32568	TEXOKAN OPERATING, INC.	Oil	14085
42-507-32569	O.G.P. OPERATING, INC.
42-507-32570	O.G.P. OPERATING, INC.
42-507-32571	O.G.P. OPERATING, INC.
42-507-32572	O.G.P. OPERATING, INC.
42-507-32573	O.G.P. OPERATING, INC.
42-507-32574	O.G.P. OPERATING, INC.
42-507-32575	O.G.P. OPERATING, INC.
42-507-32576	O.G.P. OPERATING, INC.
42-507-32577	O.G.P. OPERATING, INC.
42-507-32578
42-507-32579
42-507-32580	CLIPPER OPERATING CO., INC.
42-507-32581
42-507-32582	PROPERTY DEVELOPMENT GROUP, INC.	Gas	167911
42-507-32583	DAWSEY OPERATING COMPANY	Gas	167867
42-507-32584
42-507-32585	TIDAL PETROLEUM, INC.	Gas	173709
42-507-32586
42-507-32587	CARDIN, M. O.
42-507-32588
42-507-32589	TIDAL PETROLEUM, INC.
42-507-32590
42-507-32591	GENESIS PRODUCING COMPANY
42-507-32592	RICOCHET ENERGY, INC.
42-507-32593	RICOCHET ENERGY, INC.
42-507-32594	GENESIS ST OPERATING LLC	Gas	186044
42-507-32595	FORTUNE OPERATING COMPANY
42-507-32596	WESTERN PRIDE RESOURCES, INC.
42-507-32597	GENESIS ST OPERATING LLC	Gas	185997
42-507-32598	BRIDGER OIL INC.	Oil	14330
42-507-32599	PATRICK EXPLORATION COMPANY
42-507-32600	PATRICK EXPLORATION COMPANY
42-507-32601	GENESIS ST OPERATING LLC	Gas	186045
42-507-32602	RICOCHET ENERGY, INC.
42-507-32603	FORTUNE OPERATING COMPANY
42-507-32604	RIVERCITY OPERATING, INC.
42-507-32605	FORTUNE OPERATING COMPANY
42-507-32606	RICOCHET ENERGY, INC.
42-507-32607	WISER OIL COMPANY, THE
42-507-32608	WISER OIL COMPANY, THE
42-507-32609	WISER OIL COMPANY, THE
42-507-32610	WISER OIL COMPANY, THE
42-507-32611	BRIDGER OIL INC.
42-507-32612	SOJOURNER DRILLING CORPORATION	Gas	183534
42-507-32613	TEXAS SPC CO	Gas	183036
42-507-32614
42-507-32615	DIRNETT, INC.
42-507-32617	DIRNETT, INC.
42-507-32618	DIRNETT, INC.
42-507-32619	PROPERTY DEVELOPMENT GROUP, INC.
42-507-32620	RHD HOLDINGS, L.L.C.	Gas	185540
42-507-32621	REO OPERATING LLC	Gas	189065
42-507-32622	PRIME OPERATING COMPANY
42-507-32623	REGENCY ENERGY, INC.	Gas	192776
42-507-32624	SPILLER OPERATING CO., INC.
42-507-32625	PROPERTY DEVELOPMENT GROUP, INC.
42-507-32626	TEXAS SPC CO
42-507-32627	SPILLER OPERATING CO., INC.
42-507-32628	TEXAS SPC CO
42-507-32629	BROOKS, E. B., JR.
42-507-32630	TANGLEWOOD OIL & GAS CO.
42-507-32631	HUGHES, DAN A. COMPANY
42-507-32632	HUGHES, DAN A. COMPANY
42-507-32633	ESPADA OPERATING LLC	Oil	07764
42-507-32634	SPILLER OPERATING CO., INC.
42-507-32635	SPILLER OPERATING CO., INC.
42-507-32636	HUGHES, DAN A. COMPANY
42-507-32637	RHD HOLDINGS, L.L.C.	Gas	206311
42-507-32638	DRILL-CO., INC.
42-507-32639	ALAMO OPERATING COMPANY, L. C.
42-507-32640	CARDIN, M. O.
42-507-32641	TRINITY OPERATING (USG), LLC	Gas	198230
42-507-32642	TEXAS AMERICAN RESOURCES COMPANY
42-507-32643	TRINITY OPERATING (USG), LLC	Gas	199270
42-507-32644	HUGHES, DAN A. COMPANY
42-507-32645	RIO-TEX, INC.
42-507-32646	CONTANGO RESOURCES, INC.	Oil	14520
42-507-32647	REGENCY ENERGY, INC.
42-507-32648	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-32649	BRIDGER OIL INC.	Oil	06437
42-507-32650	CENTAUR EXPLORATION LLC	Oil	14621
42-507-32651	TASAJILLO ENERGY, INC.
42-507-32652	BLACKBRUSH O & G, LLC	Oil	14649
42-507-32653	MUNOZ FARMS OPERATING CO., LLC	Oil	14677
42-507-32654	Sage Energy Company	Oil	14588
42-507-32655	HUGHES, DAN A. COMPANY
42-507-32656	MESTENA OPERATING, LTD.
42-507-32657	MESTENA OPERATING, LTD.
42-507-32658	CENTAUR EXPLORATION LLC
42-507-32659	ROMA OIL AND GAS, INC.
42-507-32660	ARRCO OPERATING, LLC -	Oil	14643
42-507-32661	RATTLER OIL & GAS CORP.
42-507-32662	RATTLER OIL & GAS CORP.
42-507-32663	RATTLER OIL & GAS CORP.
42-507-32664	RATTLER OIL & GAS CORP.
42-507-32665	SANCHEZ OIL & GAS CORPORATION	Gas	214260
42-507-32666	RATTLER OIL & GAS CORP.
42-507-32667	BRIDGER OIL INC.
42-507-32668	SANCHEZ OIL & GAS CORPORATION
42-507-32669	SANCHEZ OIL & GAS CORPORATION
42-507-32670	SANCHEZ OIL & GAS CORPORATION
42-507-32671	SANCHEZ OIL & GAS CORPORATION
42-507-32672	SANCHEZ OIL & GAS CORPORATION
42-507-32673	PROPERTY DEVELOPMENT GROUP, INC.
42-507-32674	PROPERTY DEVELOPMENT GROUP, INC.
42-507-32675	SABINAL RESOURCES, INC.
42-507-32676	SANCHEZ OIL & GAS CORPORATION
42-507-32677	SANCHEZ OIL & GAS CORPORATION
42-507-32678	GENESIS ST OPERATING LLC	Gas	232243
42-507-32679	SABINAL RESOURCES, INC.
42-507-32680	ACTIVA RESOURCES, LLC	Gas	232683
42-507-32681	ACTIVA RESOURCES, LLC	Gas	232715
42-507-32682	CIVCO OPERATING LLC	Oil	14918
42-507-32683	GENESIS ST OPERATING LLC	Oil	15104
42-507-32684	GENESIS ST OPERATING LLC	Gas	230122
42-507-32685	GENESIS ST OPERATING LLC	Gas	230123
42-507-32686	GENESIS GAS & OIL LLC	Gas	230071
42-507-32687	GENESIS GAS & OIL LLC	Gas	232292
42-507-32688	XOG OPERATING LLC	Oil	14778
42-507-32689	GENESIS ST OPERATING LLC	Gas	243035
42-507-32690	GENESIS ST OPERATING LLC	Gas	250113
42-507-32691	GENESIS ST OPERATING LLC	Gas	230120
42-507-32692	HAWTHORN ENERGY PARTNERS, LLC	Oil	14744
42-507-32693	CML EXPLORATION, LLC	Oil	14742
42-507-32694	ALAMO OPERATING CO.
42-507-32695	BRIDGER OIL INC.
42-507-32696	GENESIS GAS & OIL LLC
42-507-32697	ALAMO OPERATING COMPANY, L. C.
42-507-32698	ALAMO OPERATING COMPANY, L. C.
42-507-32699	DOLPHIN PETROLEUM
42-507-32700	CML EXPLORATION, LLC	Oil	14795
42-507-32701	CML EXPLORATION, LLC	Oil	14795
42-507-32702	SABINAL RESOURCES, INC.
42-507-32703	CML EXPLORATION, LLC	Oil	14742
42-507-32704	CONTANGO RESOURCES, INC.	Oil	12425
42-507-32705	USA SUPERIOR ENERGY LLC
42-507-32706	CML EXPLORATION, LLC	Oil	14877
42-507-32707	ALAMO OPERATING COMPANY, L. C.	Oil	14836
42-507-32708	SPARTAN OPERATING COMPANY, INC.
42-507-32709	SPARTAN OPERATING COMPANY, INC.
42-507-32710	SPARTAN OPERATING COMPANY, INC.
42-507-32711	SANCHEZ OIL & GAS CORPORATION	Gas	229628
42-507-32712	SANCHEZ OIL & GAS CORPORATION
42-507-32713	TRINITY OPERATING (USG), LLC	Oil	12580
42-507-32714	BLACKBRUSH O & G, LLC	Oil	14649
42-507-32715	EL TORO RESOURCES LLC	Oil	14905
42-507-32716	TXCO RESOURCES INC.	Oil	14921
42-507-32717	CML EXPLORATION, LLC	Oil	14936
42-507-32718	RIO-TEX, INC.	Oil	15106
42-507-32719	ESPADA OPERATING LLC	Oil	15490
42-507-32720	ALAMO OPERATING COMPANY, L. C.
42-507-32721	Newfield Exploration Company	Oil	15178
42-507-32722	ALAMO OPERATING COMPANY, L. C.
42-507-32723	SPARTAN OPERATING COMPANY, INC.
42-507-32724	SPARTAN OPERATING COMPANY, INC.
42-507-32725	SANCHEZ OIL & GAS CORPORATION
42-507-32726	CML EXPLORATION, LLC	Oil	14956
42-507-32727	RIO-TEX, INC.	Oil	15121
42-507-32728	REGENCY ENERGY, INC.
42-507-32729	PROPERTY DEVELOPMENT GROUP, INC.	Gas	256494
42-507-32730	PROPERTY DEVELOPMENT GROUP, INC.	Gas	266046
42-507-32731	EXCO OPERATING COMPANY, LP	Oil	15014
42-507-32732	ALAMO OPERATING COMPANY, L. C.	Gas	271044
42-507-32733	ALAMO OPERATING COMPANY, L. C.	Oil	16714
42-507-32734	EL TORO RESOURCES LLC	Oil	15065
42-507-32735	REGENCY ENERGY, INC.
42-507-32736	ALAMO OPERATING COMPANY, L. C.	Oil	15084
42-507-32737	ESPADA OPERATING LLC
42-507-32738	SANCHEZ OIL & GAS CORPORATION	Oil	15116
42-507-32739	CML EXPLORATION, LLC	Gas	251794
42-507-32740	ESPADA OPERATING LLC	Oil	15228
42-507-32741	RIO-TEX, INC.	Oil	15121
42-507-32742	CHESAPEAKE OPERATING, L.L.C.	Oil	05037
42-507-32743	RIO-TEX, INC.	Oil	14898
42-507-32744	PETROHAWK OPERATING COMPANY	Oil	15266
42-507-32745	TX ENERGY SERVICES, LLC	Oil	16216
42-507-32746	CHESAPEAKE OPERATING, INC.	Oil	15412
42-507-32747	LMP PETROLEUM, INC.
42-507-32748	SANCHEZ OIL & GAS CORPORATION	Oil	15116
42-507-32749	VICEROY PETROLEUM, LP	Oil	10610
42-507-32750	GENESIS GAS & OIL LLC
42-507-32751	GENESIS GAS & OIL LLC
42-507-32752	EXCO OPERATING COMPANY, LP	Oil	18624
42-507-32753	Winn Exploration Co., Inc.
42-507-32754	Winn Exploration Co., Inc.
42-507-32755	PETROHAWK OPERATING COMPANY	Oil	15267
42-507-32756	EXCO OPERATING COMPANY, LP	Oil	17837
42-507-32757	STRAND ENERGY, L.C.	Oil	15484
42-507-32758	DAWSEY OPERATING COMPANY
42-507-32759	EEZ OPERATING INC.	Oil	18192
42-507-32760	CHESAPEAKE OPERATING, INC.	Oil	15412
42-507-32761	TEXAS AMERICAN RESOURCES COMPANY
42-507-32762	TEXAS AMERICAN RESOURCES COMPANY
42-507-32763	PETROHAWK OPERATING COMPANY	Oil	15327
42-507-32764	BOLLINGER DRILLING CO.	Oil	09351
42-507-32765	MCDAY ENERGY CORP.
42-507-32766	CML EXPLORATION, LLC	Oil	15666
42-507-32767	BLACKBRUSH O & G, LLC	Oil	15456
42-507-32768	EXCO OPERATING COMPANY, LP	Oil	15418
42-507-32769	CONTANGO RESOURCES, INC.	Oil	15631
42-507-32770	BOLLINGER DRILLING CO.	Oil	09351
42-507-32771	1776 ENERGY OPERATORS, LLC	Oil	15482
42-507-32772	EXCO OPERATING COMPANY, LP	Oil	15419
42-507-32773	EXCO OPERATING COMPANY, LP	Oil	15424
42-507-32774	MCDAY ENERGY CORP.	Oil	15396
42-507-32775	MCDAY ENERGY CORP.	Oil	15396
42-507-32776	ALAMO OPERATING COMPANY, L. C.
42-507-32777	CHESAPEAKE OPERATING, INC.
42-507-32778	SANCHEZ OIL & GAS CORPORATION	Oil	15792
42-507-32779	STRAND ENERGY, L.C.	Oil	15441
42-507-32780	ESPADA OPERATING LLC
42-507-32781	PROPERTY DEVELOPMENT GROUP, INC.
42-507-32782	CML EXPLORATION, LLC	Oil	16197
42-507-32783	CML EXPLORATION, LLC	Oil	15667
42-507-32784	RHD HOLDINGS, L.L.C.	Oil	18868
42-507-32785	EXCO OPERATING COMPANY, LP	Oil	15582
42-507-32786	EXCO OPERATING COMPANY, LP	Oil	15452
42-507-32787	CML EXPLORATION, LLC	Oil	16234
42-507-32788	BHP BILLITON PET(TXLA OP) CO	Oil	15558
42-507-32789	BOLLINGER DRILLING CO.	Oil	09351
42-507-32790	CHESAPEAKE OPERATING, INC.
42-507-32791	MCDAY ENERGY CORP.	Oil	15661
42-507-32792	EXCO OPERATING COMPANY, LP	Oil	15570
42-507-32793	BUFFCO PRODUCTION INC.	Oil	15772
42-507-32794	EXCO OPERATING COMPANY, LP	Oil	15607
42-507-32795	CML EXPLORATION, LLC	Oil	15906
42-507-32796	EXCO OPERATING COMPANY, LP	Oil	15611
42-507-32797	EXCO OPERATING COMPANY, LP	Oil	15711
42-507-32798	WHITE MARLIN OPERATING CO, LLC	Oil	17285
42-507-32799	WHITE MARLIN OPERATING CO, LLC	Oil	16429
42-507-32800
42-507-32801	EXCO OPERATING COMPANY, LP	Oil	15619
42-507-32802	CML EXPLORATION, LLC	Oil	16233
42-507-32803	L & J EXPLORATION, LLC	Oil	16132
42-507-32804	DAWSEY OPERATING COMPANY
42-507-32805	EXCO OPERATING COMPANY, LP	Oil	15624
42-507-32806	EXCO OPERATING COMPANY, LP	Oil	15624
42-507-32807	EXCO OPERATING COMPANY, LP	Oil	15629
42-507-32808	EXCO OPERATING COMPANY, LP	Oil	16553
42-507-32809	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-32810	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-32811	CHESAPEAKE OPERATING, INC.
42-507-32812	SANCHEZ OIL & GAS CORPORATION
42-507-32814	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32815	CML EXPLORATION, LLC	Oil	16185
42-507-32816	EXCO OPERATING COMPANY, LP	Oil	16894
42-507-32817
42-507-32818	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32819	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32820	EXCO OPERATING COMPANY, LP	Oil	17796
42-507-32821	EXCO OPERATING COMPANY, LP	Oil	17795
42-507-32822	CHESAPEAKE OPERATING, INC.
42-507-32823	EXCO OPERATING COMPANY, LP	Oil	15993
42-507-32824	EXCO OPERATING COMPANY, LP	Oil	15993
42-507-32825	CONTANGO RESOURCES, INC.	Oil	16363
42-507-32826	CHESAPEAKE OPERATING, INC.
42-507-32827	CHESAPEAKE OPERATING, INC.
42-507-32828	Sage Energy Company	Oil	16411
42-507-32829	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32830	SN OPERATING, LLC	Oil	15883
42-507-32831	EL TORO RESOURCES LLC	Oil	15263
42-507-32832	CML EXPLORATION, LLC	Oil	16153
42-507-32833	DAWSEY OPERATING COMPANY
42-507-32834	CHESAPEAKE OPERATING, INC.
42-507-32835	EL TORO RESOURCES LLC	Oil	15263
42-507-32836	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-32837	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-32838	CML EXPLORATION, LLC	Gas	266220
42-507-32839	EL TORO RESOURCES LLC	Oil	15263
42-507-32840	WHITE MARLIN OPERATING CO, LLC	Oil	07143
42-507-32841	CHESAPEAKE OPERATING, INC.
42-507-32842	BOLLINGER DRILLING CO.	Oil	09351
42-507-32843	BOLLINGER DRILLING CO.	Oil	09351
42-507-32844	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32845	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32846	CONTANGO RESOURCES, INC.	Oil	15631
42-507-32847	EXCO OPERATING COMPANY, LP	Oil	15993
42-507-32848	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-32849	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-32850	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32851	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32852	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32853	CML EXPLORATION, LLC	Oil	16394
42-507-32854	BOLLINGER DRILLING CO.	Oil	09351
42-507-32855	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32856	ESPADA OPERATING LLC	Oil	17361
42-507-32857	MCDAY ENERGY CORP.	Oil	15661
42-507-32858	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-32859	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-32860	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32861	EXCO OPERATING COMPANY, LP	Oil	16935
42-507-32862	TEXRON OPERATING, LLC	Oil	17466
42-507-32863	CML EXPLORATION, LLC	Oil	16477
42-507-32864	Sage Energy Company	Oil	16293
42-507-32865	EXCO OPERATING COMPANY, LP	Oil	15711
42-507-32866	SANCHEZ OIL & GAS CORPORATION	Oil	16055
42-507-32867	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32868	DAWSEY OPERATING COMPANY
42-507-32869	EXCO OPERATING COMPANY, LP	Oil	15963
42-507-32870	EXCO OPERATING COMPANY, LP	Oil	16200
42-507-32871	EXCO OPERATING COMPANY, LP	Oil	15963
42-507-32872	SANCHEZ OIL & GAS CORPORATION	Oil	16031
42-507-32873	CHESAPEAKE OPERATING, INC.
42-507-32874	CHESAPEAKE OPERATING, INC.
42-507-32875	MUELLER EXPLORATION, INC.	Oil	17442
42-507-32876	EXCO OPERATING COMPANY, LP	Oil	16090
42-507-32877	CML EXPLORATION, LLC	Oil	16613
42-507-32878	STRAND ENERGY, L.C.	Oil	15940
42-507-32879	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32880	CHESAPEAKE OPERATING, INC.
42-507-32881	CHESAPEAKE OPERATING, INC.
42-507-32882	CHESAPEAKE OPERATING, INC.
42-507-32883	EXCO OPERATING COMPANY, LP	Oil	17215
42-507-32884	MCDAY ENERGY CORP.
42-507-32885	EXCO OPERATING COMPANY, LP	Oil	16715
42-507-32886	CALLON (EAGLE FORD) LLC	Oil	16068
42-507-32887	MATADOR PRODUCTION COMPANY	Oil	16383
42-507-32888	Sage Energy Company	Oil	17732
42-507-32889	EXCO OPERATING COMPANY, LP	Oil	16353
42-507-32890	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32891	EXCO OPERATING COMPANY, LP	Oil	16353
42-507-32892	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32893	CHESAPEAKE OPERATING, INC.
42-507-32894	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32895	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32896	DAWSEY OPERATING COMPANY
42-507-32897	SANCHEZ OIL & GAS CORPORATION	Oil	16031
42-507-32898	Sage Energy Company	Oil	17732
42-507-32899	SANCHEZ OIL & GAS CORPORATION	Oil	16056
42-507-32900	SANCHEZ OIL & GAS CORPORATION	Oil	16060
42-507-32901	CML EXPLORATION, LLC	Oil	16956
42-507-32902	BOLLINGER DRILLING CO.	Oil	09351
42-507-32903	MATADOR PRODUCTION COMPANY	Oil	09813
42-507-32904	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32905	EXCO OPERATING COMPANY, LP	Oil	16907
42-507-32906	ALAMO OPERATING COMPANY, L. C.	Oil	17439
42-507-32907	CML EXPLORATION, LLC	Oil	16955
42-507-32908	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32909	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-32910	NAILS OPERATING COMPANY LLC
42-507-32911	MCDAY ENERGY CORP.	Oil	15661
42-507-32912	HURD ENTERPRISES, LTD.
42-507-32913	CHESAPEAKE OPERATING, INC.
42-507-32914	EXCO OPERATING COMPANY, LP	Oil	16889
42-507-32915	EXCO OPERATING COMPANY, LP	Oil	17112
42-507-32916	EXCO OPERATING COMPANY, LP	Oil	16636
42-507-32917	MCDAY ENERGY CORP.	Oil	15661
42-507-32918	CML EXPLORATION, LLC	Oil	17276
42-507-32919	TRINITY OPERATING (USG), LLC	Oil	17607
42-507-32920	EXCO OPERATING COMPANY, LP	Oil	16723
42-507-32921	EXCO OPERATING COMPANY, LP	Oil	16609
42-507-32922	EL TORO RESOURCES LLC	Oil	15263
42-507-32923	Sage Energy Company	Oil	18105
42-507-32924	BOLLINGER DRILLING CO.	Oil	09351
42-507-32925	BOLLINGER DRILLING CO.	Oil	09351
42-507-32926	Cabot Oil & Gas Corporation	Gas	275699
42-507-32927	BRIDGER OIL INC.	Oil	07209
42-507-32928	NAILS OPERATING COMPANY LLC
42-507-32929	NAILS OPERATING COMPANY LLC
42-507-32930	NAILS OPERATING COMPANY LLC
42-507-32931	NAILS OPERATING COMPANY LLC
42-507-32932	NAILS OPERATING COMPANY LLC
42-507-32934	CHESAPEAKE OPERATING, INC.
42-507-32935	NAILS OPERATING COMPANY LLC
42-507-32936	NAILS OPERATING COMPANY LLC
42-507-32937	NAILS OPERATING COMPANY LLC
42-507-32938	NAILS OPERATING COMPANY LLC
42-507-32939	CML EXPLORATION, LLC	Oil	17130
42-507-32940	EXCO OPERATING COMPANY, LP	Oil	16595
42-507-32941	SANCHEZ OIL & GAS CORPORATION	Oil	16031
42-507-32942	CML EXPLORATION, LLC	Oil	18379
42-507-32943	SANCHEZ OIL & GAS CORPORATION	Oil	16060
42-507-32944	TRINITY OPERATING (USG), LLC	Oil	17784
42-507-32945	SANCHEZ OIL & GAS CORPORATION	Oil	16031
42-507-32946	EXCO OPERATING COMPANY, LP	Oil	16636
42-507-32947	EXCO OPERATING COMPANY, LP	Oil	16636
42-507-32948	EXCO OPERATING COMPANY, LP	Oil	16636
42-507-32949	SN OPERATING, LLC	Oil	16585
42-507-32950	SANCHEZ OIL & GAS CORPORATION	Oil	17274
42-507-32951	DAWSEY OPERATING COMPANY
42-507-32952	RAQII LLC
42-507-32953	RAQII LLC
42-507-32954	RAQII LLC
42-507-32955	DAWSEY OPERATING COMPANY
42-507-32956	CML EXPLORATION, LLC	Oil	16234
42-507-32957	U.S. ENERCORP, LTD.	Oil	17809
42-507-32958	HUGHES, DAN A. COMPANY, L.P.	Oil	18587
42-507-32959	CHESAPEAKE OPERATING, INC.
42-507-32960	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32961	BOLLINGER DRILLING CO.
42-507-32962	BOLLINGER DRILLING CO.
42-507-32963	Sage Energy Company	Oil	17780
42-507-32964	TRINITY OPERATING (USG), LLC	Oil	17742
42-507-32965	HURD ENTERPRISES, LTD.
42-507-32966	BUFFCO PRODUCTION INC.	Oil	16925
42-507-32967	CML EXPLORATION, LLC	Oil	17469
42-507-32968	CML EXPLORATION, LLC	Oil	17691
42-507-32969	CHESAPEAKE OPERATING, INC.
42-507-32970	STRAND ENERGY, L.C.	Oil	16943
42-507-32971	Cabot Oil & Gas Corporation
42-507-32972	STRAND ENERGY, L.C.	Oil	17004
42-507-32973	Cabot Oil & Gas Corporation	Gas	271932
42-507-32974	BUFFCO PRODUCTION INC.	Oil	16926
42-507-32975	Newfield Exploration Company
42-507-32977	CHESAPEAKE OPERATING, INC.
42-507-32978	EXCO OPERATING COMPANY, LP	Oil	17101
42-507-32979	ALAMO OPERATING COMPANY, L. C.	Oil	14836
42-507-32980	EXCO OPERATING COMPANY, LP	Oil	16882
42-507-32981	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32982	CHESAPEAKE OPERATING, INC.
42-507-32983	CONTANGO RESOURCES, INC.	Oil	17577
42-507-32984	CHESAPEAKE OPERATING, INC.
42-507-32985	CHESAPEAKE OPERATING, INC.
42-507-32986	EXCO OPERATING COMPANY, LP	Oil	16843
42-507-32987	EXCO OPERATING COMPANY, LP	Oil	17262
42-507-32988	CHESAPEAKE OPERATING, INC.
42-507-32989	U.S. ENERCORP, LTD.	Oil	17610
42-507-32990	EXCO OPERATING COMPANY, LP	Oil	17123
42-507-32991	EXCO OPERATING COMPANY, LP	Oil	17123
42-507-32992	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32993	CHESAPEAKE OPERATING, INC.
42-507-32994	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-32995	CHESAPEAKE OPERATING, INC.
42-507-32996	CHESAPEAKE OPERATING, INC.
42-507-32997	CHESAPEAKE OPERATING, INC.
42-507-32998	CHESAPEAKE OPERATING, INC.
42-507-32999	CHESAPEAKE OPERATING, INC.
42-507-33000	CHESAPEAKE OPERATING, INC.
42-507-33001	EXCO OPERATING COMPANY, LP	Oil	17477
42-507-33002	CHESAPEAKE OPERATING, INC.
42-507-33003	CHESAPEAKE OPERATING, INC.
42-507-33004	CHESAPEAKE OPERATING, INC.
42-507-33005	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33006	CHESAPEAKE OPERATING, INC.
42-507-33007	CML EXPLORATION, LLC	Oil	17530
42-507-33008	CML EXPLORATION, LLC	Oil	17690
42-507-33009	MCDAY ENERGY CORP.
42-507-33010	CHESAPEAKE OPERATING, INC.
42-507-33011	CHESAPEAKE OPERATING, INC.
42-507-33012	CHESAPEAKE OPERATING, INC.
42-507-33013	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33014	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33015	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33016	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33017	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33018	CHESAPEAKE OPERATING, INC.
42-507-33019	CML EXPLORATION, LLC	Oil	17641
42-507-33020	CONTANGO RESOURCES, INC.	Oil	17577
42-507-33021	ALAMO OPERATING COMPANY, L. C.
42-507-33022	TX ENERGY SERVICES, LLC
42-507-33023	CML EXPLORATION, LLC	Oil	18081
42-507-33024	EL TORO RESOURCES LLC	Oil	15263
42-507-33025	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33026	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33027	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33028	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33029	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33030	BOLLINGER DRILLING CO.
42-507-33031	CHESAPEAKE OPERATING, INC.
42-507-33032	CHESAPEAKE OPERATING, INC.
42-507-33033	CHESAPEAKE OPERATING, INC.
42-507-33034	CHESAPEAKE OPERATING, INC.
42-507-33035	CHESAPEAKE OPERATING, INC.
42-507-33036	CHESAPEAKE OPERATING, INC.
42-507-33037	BOLLINGER DRILLING CO.	Oil	09351
42-507-33038	FIELD PETROLEUM CORP.	Oil	17748
42-507-33039	FIRST ROCK, INC.	Oil	18281
42-507-33040	CONTANGO RESOURCES, INC.	Oil	17577
42-507-33041	CHESAPEAKE OPERATING, INC.
42-507-33042	CHESAPEAKE OPERATING, INC.
42-507-33045	EXCO OPERATING COMPANY, LP	Oil	17495
42-507-33046	EXCO OPERATING COMPANY, LP	Oil	17495
42-507-33047	Cabot Oil & Gas Corporation	Oil	17615
42-507-33048	STRAND ENERGY, L.C.	Oil	17004
42-507-33049	BLACKBRUSH O & G, LLC	Oil	16989
42-507-33050	STRAND ENERGY, L.C.	Oil	15940
42-507-33051	CONTANGO RESOURCES, INC.	Oil	17577
42-507-33052	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-33053	TEXAS AMERICAN RESOURCES COMPANY
42-507-33054	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33055	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33056	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33057	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33058	EXCO OPERATING COMPANY, LP
42-507-33059	TEXAS AMERICAN RESOURCES COMPANY
42-507-33060	TEXAS AMERICAN RESOURCES COMPANY
42-507-33061	CHESAPEAKE OPERATING, L.L.C.	Oil	17759
42-507-33062	FIELD PETROLEUM CORP.	Oil	17748
42-507-33063	PYOTE WELL SERVICE, LLC
42-507-33064	PYOTE WELL SERVICE, LLC
42-507-33065	CONTANGO RESOURCES, INC.	Oil	17577
42-507-33066
42-507-33067	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33068	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33069	BUFFCO PRODUCTION INC.	Oil	17650
42-507-33070	BUFFCO PRODUCTION INC.
42-507-33071	EXCO OPERATING COMPANY, LP	Oil	17448
42-507-33072	Cabot Oil & Gas Corporation
42-507-33073	CONTANGO RESOURCES, INC.	Oil	17577
42-507-33074	EXCO OPERATING COMPANY, LP	Oil	17450
42-507-33075	EXCO OPERATING COMPANY, LP	Oil	17451
42-507-33076	EXCO OPERATING COMPANY, LP	Oil	17448
42-507-33077	Cabot Oil & Gas Corporation
42-507-33078	BOLLINGER DRILLING CO.
42-507-33079	BUFFCO PRODUCTION INC.
42-507-33080	BOLLINGER DRILLING CO.
42-507-33081	CONTANGO RESOURCES, INC.	Oil	17577
42-507-33082	EXCO OPERATING COMPANY, LP	Oil	17543
42-507-33083	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-33084	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-33085	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33086	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33087	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33088	EXCO OPERATING COMPANY, LP
42-507-33089	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33090	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33091	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33092	EXCO OPERATING COMPANY, LP
42-507-33093	EXCO OPERATING COMPANY, LP
42-507-33094	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33095	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33096	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33097	BUFFCO PRODUCTION INC.
42-507-33098	CML EXPLORATION, LLC	Oil	17789
42-507-33099	EXCO OPERATING COMPANY, LP	Oil	17867
42-507-33100	EXCO OPERATING COMPANY, LP	Oil	17867
42-507-33101	EXCO OPERATING COMPANY, LP	Oil	17653
42-507-33102	EXCO OPERATING COMPANY, LP	Oil	17653
42-507-33103	MCDAY ENERGY CORP.	Oil	15661
42-507-33104	EXCO OPERATING COMPANY, LP	Oil	17867
42-507-33105	EXCO OPERATING COMPANY, LP	Oil	17653
42-507-33106	EXCO OPERATING COMPANY, LP	Oil	17653
42-507-33107	EXCO OPERATING COMPANY, LP	Oil	17867
42-507-33108	EXCO OPERATING COMPANY, LP	Oil	17867
42-507-33109	WCS OIL & GAS CORPORATION	Oil	17948
42-507-33110	EXCO OPERATING COMPANY, LP	Oil	17653
42-507-33111	EXCO OPERATING COMPANY, LP	Oil	17653
42-507-33112	EXCO OPERATING COMPANY, LP	Oil	17867
42-507-33113	EXCO OPERATING COMPANY, LP	Oil	17910
42-507-33114	INLAND OCEAN, INC.	Oil	18840
42-507-33115	EXCO OPERATING COMPANY, LP	Oil	17776
42-507-33116	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33117	EXCO OPERATING COMPANY, LP
42-507-33118	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33119	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33120	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33121	CRIMSON EXPLORATION OPER., INC.
42-507-33122	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33123	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33124	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33125	EXCO OPERATING COMPANY, LP
42-507-33126	Sage Energy Company	Oil	17952
42-507-33127	BUFFCO PRODUCTION INC.
42-507-33128	CONTANGO RESOURCES, INC.	Oil	18801
42-507-33129	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33130	CML EXPLORATION, LLC
42-507-33131	CONTANGO RESOURCES, INC.	Oil	18786
42-507-33132	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-33133	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33134	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33135	CHESAPEAKE OPERATING, L.L.C.	Oil	17759
42-507-33136	STRAND ENERGY, L.C.	Oil	18073
42-507-33137	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33138	EXCO OPERATING COMPANY, LP
42-507-33139	EXCO OPERATING COMPANY, LP	Oil	15412
42-507-33140	EXCO OPERATING COMPANY, LP	Oil	18230
42-507-33141	EXCO OPERATING COMPANY, LP
42-507-33142	EXCO OPERATING COMPANY, LP
42-507-33143	EXCO OPERATING COMPANY, LP	Oil	18230
42-507-33144	EXCO OPERATING COMPANY, LP	Oil	18230
42-507-33145	EXCO OPERATING COMPANY, LP	Oil	18230
42-507-33146	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33147	STRAND ENERGY, L.C.	Oil	18044
42-507-33148	MCDAY ENERGY CORP.	Oil	15661
42-507-33149	BLACKBRUSH O & G, LLC	Oil	18588
42-507-33150	CML EXPLORATION, LLC	Oil	18034
42-507-33151	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33152	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33153	EXCO OPERATING COMPANY, LP	Oil	17819
42-507-33154	EXCO OPERATING COMPANY, LP	Oil	17827
42-507-33155	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33156	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33157	CONTANGO RESOURCES, INC.	Oil	18777
42-507-33158	CRIMSON EXPLORATION OPER., INC.
42-507-33159	EXCO OPERATING COMPANY, LP	Oil	18015
42-507-33160	EXCO OPERATING COMPANY, LP	Oil	18015
42-507-33161
42-507-33162	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33163	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33164	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33165	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33166	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33167	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33168	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33169	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33170	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33171	CHESAPEAKE OPERATING, L.L.C.	Oil	17759
42-507-33172	CML EXPLORATION, LLC	Oil	18472
42-507-33173	BUFFCO PRODUCTION INC.	Oil	17924
42-507-33174	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33175	BUFFCO PRODUCTION INC.
42-507-33176	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33177	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33178	EXCO OPERATING COMPANY, LP
42-507-33179	EXCO OPERATING COMPANY, LP
42-507-33180	MCDAY ENERGY CORP.
42-507-33181	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33182	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33183	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33184	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33185	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33186	EXCO OPERATING COMPANY, LP
42-507-33187	EXCO OPERATING COMPANY, LP
42-507-33188	HUGHES, DAN A. COMPANY, L.P.
42-507-33189	EXCO OPERATING COMPANY, LP	Oil	15624
42-507-33190	EXCO OPERATING COMPANY, LP	Oil	15624
42-507-33191	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33192	EXCO OPERATING COMPANY, LP	Oil	15624
42-507-33193	STRATEX OIL & GAS HOLDINGS, INC.
42-507-33194	BUFFCO PRODUCTION INC.
42-507-33195	STRAND ENERGY, L.C.	Oil	18724
42-507-33196	STRAND ENERGY, L.C.	Oil	18950
42-507-33197	SN OPERATING, LLC	Oil	18279
42-507-33198	CHESAPEAKE OPERATING, INC.
42-507-33199	CML EXPLORATION, LLC	Oil	18382
42-507-33200	SANCHEZ OIL & GAS CORPORATION	Oil	16056
42-507-33201	TERRACE BWP, LLC
42-507-33202	EXCO OPERATING COMPANY, LP	Oil	18315
42-507-33203	U.S. ENERGY DEVELOPMENT CORP
42-507-33204	SN OPERATING, LLC
42-507-33205	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33206	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33207	CML EXPLORATION, LLC	Oil	18682
42-507-33208	CML EXPLORATION, LLC	Oil	18525
42-507-33209	SN OPERATING, LLC	Oil	18370
42-507-33210	U.S. ENERGY DEVELOPMENT CORP
42-507-33211	U.S. ENERGY DEVELOPMENT CORP
42-507-33212	TERRACE BWP, LLC
42-507-33213	CHESAPEAKE OPERATING, L.L.C.
42-507-33214	CHESAPEAKE OPERATING, L.L.C.
42-507-33215	CHESAPEAKE OPERATING, L.L.C.	Oil	17759
42-507-33216	CHESAPEAKE OPERATING, L.L.C.	Oil	17759
42-507-33217	CHESAPEAKE OPERATING, L.L.C.
42-507-33218	U.S. ENERGY DEVELOPMENT CORP	Oil	18806
42-507-33219	EXCO OPERATING COMPANY, LP
42-507-33220	BUFFCO PRODUCTION INC.	Oil	15772
42-507-33221	SN OPERATING, LLC
42-507-33222	SN OPERATING, LLC
42-507-33223	EXCO OPERATING COMPANY, LP	Oil	18314
42-507-33224	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33225	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33226	CML EXPLORATION, LLC	Oil	18585
42-507-33227	U.S. ENERGY DEVELOPMENT CORP	Oil	18870
42-507-33228	U.S. ENERGY DEVELOPMENT CORP	Oil	18903
42-507-33229	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33230	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33231	FIRST ROCK, INC.
42-507-33232	SN OPERATING, LLC	Oil	18370
42-507-33233	BLACKBRUSH O & G, LLC	Oil	16989
42-507-33234	EXCO OPERATING COMPANY, LP	Oil	18398
42-507-33235	EXCO OPERATING COMPANY, LP	Oil	18398
42-507-33236	EXCO OPERATING COMPANY, LP	Oil	18398
42-507-33237	EXCO OPERATING COMPANY, LP	Oil	18398
42-507-33238	CML EXPLORATION, LLC	Oil	19021
42-507-33239	CHESAPEAKE OPERATING, L.L.C.
42-507-33240	CHESAPEAKE OPERATING, L.L.C.
42-507-33241	CHESAPEAKE OPERATING, L.L.C.
42-507-33242	CML EXPLORATION, LLC	Oil	18651
42-507-33243	CHESAPEAKE OPERATING, L.L.C.
42-507-33244	CHESAPEAKE OPERATING, L.L.C.
42-507-33245	CHESAPEAKE OPERATING, L.L.C.
42-507-33246	CHESAPEAKE OPERATING, L.L.C.
42-507-33247	MCDAY ENERGY CORP.
42-507-33248	EXCO OPERATING COMPANY, LP	Oil	18561
42-507-33249	METIS ENERGY LLC	Oil	19186
42-507-33250	METIS ENERGY LLC	Oil	19186
42-507-33251	CML EXPLORATION, LLC	Oil	18755
42-507-33252	SN OPERATING, LLC	Oil	18562
42-507-33253	INLAND OCEAN, INC.
42-507-33254	MCDAY ENERGY CORP.	Oil	15661
42-507-33255	INLAND OCEAN, INC.	Oil	18833
42-507-33256	STRATEX OIL & GAS HOLDINGS, INC.
42-507-33257	CML EXPLORATION, LLC	Oil	18875
42-507-33258	SANCHEZ OIL & GAS CORPORATION	Oil	16031
42-507-33259	SANCHEZ OIL & GAS CORPORATION	Oil	16031
42-507-33260	EL TORO RESOURCES LLC	Oil	19361
42-507-33261	EL INDIO ENERGY LLC	Oil	18858
42-507-33262	TERRAFINA ENERGY, LLC	Oil	18785
42-507-33263	SN OPERATING, LLC	Oil	18890
42-507-33264	SN OPERATING, LLC	Oil	18890
42-507-33266	U.S. ENERGY DEVELOPMENT CORP	Oil	18827
42-507-33267	U.S. ENERGY DEVELOPMENT CORP	Oil	18898
42-507-33268	U.S. ENERGY DEVELOPMENT CORP	Oil	18911
42-507-33269	CML EXPLORATION, LLC	Oil	18916
42-507-33270	EL TORO RESOURCES LLC	Oil	15263
42-507-33271	SN OPERATING, LLC	Oil	19084
42-507-33272	SN OPERATING, LLC	Oil	19084
42-507-33273	SN OPERATING, LLC	Oil	19084
42-507-33274	SN OPERATING, LLC	Oil	19083
42-507-33275	BLACKBRUSH O & G, LLC	Oil	16989
42-507-33276	BLACKBRUSH O & G, LLC	Oil	16989
42-507-33277	EXCO OPERATING COMPANY, LP	Oil	19231
42-507-33278	EXCO OPERATING COMPANY, LP	Oil	19231
42-507-33279	CML EXPLORATION, LLC	Oil	18948
42-507-33280	AGERON ENERGY, LLC	Oil	18905
42-507-33281	CML EXPLORATION, LLC	Oil	18957
42-507-33282	CML EXPLORATION, LLC	Oil	19013
42-507-33283	CML EXPLORATION, LLC	Oil	18965
42-507-33284	EL TORO RESOURCES LLC
42-507-33285	CML EXPLORATION, LLC
42-507-33286	BLACKBRUSH O & G, LLC	Oil	16989
42-507-33287	BLACKBRUSH O & G, LLC	Oil	16989
42-507-33288	PLAINS PIPELINE L.P.
42-507-33289	U.S. ENERGY DEVELOPMENT CORP	Oil	19132
42-507-33290	U.S. ENERGY DEVELOPMENT CORP	Oil	19132
42-507-33291	U.S. ENERGY DEVELOPMENT CORP	Oil	19132
42-507-33292	U.S. ENERGY DEVELOPMENT CORP
42-507-33293	U.S. ENERGY DEVELOPMENT CORP
42-507-33294	CML EXPLORATION, LLC	Oil	19439
42-507-33295	CML EXPLORATION, LLC
42-507-33296	CML EXPLORATION, LLC	Oil	19134
42-507-33297	INLAND OCEAN, INC.	Oil	19123
42-507-33298	CML EXPLORATION, LLC	Oil	19135
42-507-33299	CML EXPLORATION, LLC	Oil	19362
42-507-33300	CML EXPLORATION, LLC	Oil	19364
42-507-33301	ENTERPRISE PRODUCTS OPERATINGLLC
42-507-33302	CML EXPLORATION, LLC
42-507-33303	INLAND OCEAN, INC.	Oil	19341
42-507-33304	EXCO OPERATING COMPANY, LP	Oil	19189
42-507-33305	EXCO OPERATING COMPANY, LP	Oil	19418
42-507-33306	CML EXPLORATION, LLC	Oil	19427
42-507-33307	U.S. ENERGY DEVELOPMENT CORP	Oil	19798
42-507-33308	U.S. ENERGY DEVELOPMENT CORP	Oil	19798
42-507-33309	U.S. ENERGY DEVELOPMENT CORP	Oil	19798
42-507-33310	U.S. ENERGY DEVELOPMENT CORP	Oil	19798
42-507-33311	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33312	U.S. ENERGY DEVELOPMENT CORP	Oil	19132
42-507-33313	U.S. ENERGY DEVELOPMENT CORP	Oil	19132
42-507-33314	U.S. ENERGY DEVELOPMENT CORP	Oil	19132
42-507-33315	U.S. ENERGY DEVELOPMENT CORP	Oil	19132
42-507-33316	EL TORO RESOURCES LLC	Oil	19361
42-507-33317	CML EXPLORATION, LLC	Oil	19402
42-507-33318	CML EXPLORATION, LLC	Oil	19400
42-507-33319	U.S. ENERGY DEVELOPMENT CORP	Oil	19495
42-507-33320	U.S. ENERGY DEVELOPMENT CORP	Oil	19495
42-507-33321	CML EXPLORATION, LLC	Oil	19401
42-507-33322	SN OPERATING, LLC	Oil	19641
42-507-33323	SN OPERATING, LLC	Oil	19641
42-507-33324	SN OPERATING, LLC	Oil	19641
42-507-33325	CML EXPLORATION, LLC
42-507-33326	CML EXPLORATION, LLC	Oil	19390
42-507-33327	AGERON ENERGY, LLC	Oil	19512
42-507-33328	AGERON ENERGY, LLC	Oil	19512
42-507-33329	AGERON ENERGY, LLC	Oil	19512
42-507-33331	CML EXPLORATION, LLC	Oil	19434
42-507-33332	CML EXPLORATION, LLC	Oil	19573
42-507-33333	CML EXPLORATION, LLC	Oil	19481
42-507-33335	CML EXPLORATION, LLC	Oil	19529
42-507-33336	EXCO OPERATING COMPANY, LP	Oil	18015
42-507-33337	CML EXPLORATION, LLC	Oil	20193
42-507-33338	CML EXPLORATION, LLC	Oil	19690
42-507-33339	INLAND OCEAN, INC.
42-507-33340	CML EXPLORATION, LLC	Oil	19942
42-507-33341	EXCO OPERATING COMPANY, LP	Oil	18015
42-507-33342	EXCO OPERATING COMPANY, LP	Oil	18015
42-507-33343	EXCO OPERATING COMPANY, LP	Oil	19616
42-507-33344	EXCO OPERATING COMPANY, LP	Oil	19616
42-507-33345	BUFFCO PRODUCTION INC.
42-507-33346	CML EXPLORATION, LLC	Oil	19804
42-507-33347	BUFFCO PRODUCTION INC.
42-507-33348	EXCO OPERATING COMPANY, LP	Oil	17827
42-507-33349	EXCO OPERATING COMPANY, LP	Oil	17827
42-507-33350	DEWBRE PETROLEUM CORPORATION
42-507-33351	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33352	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33353	EXCO OPERATING COMPANY, LP	Oil	15744
42-507-33354	EXCO OPERATING COMPANY, LP	Oil	19754
42-507-33355	U.S. ENERGY DEVELOPMENT CORP	Oil	19798
42-507-33356	U.S. ENERGY DEVELOPMENT CORP	Oil	19798
42-507-33357	EXCO OPERATING COMPANY, LP	Oil	15766
42-507-33358	MORTIMER PRODUCTION COMPANY
42-507-33359	EXCO OPERATING COMPANY, LP	Oil	19779
42-507-33360	EXCO OPERATING COMPANY, LP	Oil	17123
42-507-33361	EXCO OPERATING COMPANY, LP	Oil	17123
42-507-33362	EXCO OPERATING COMPANY, LP	Oil	20010
42-507-33363	EXCO OPERATING COMPANY, LP	Oil	20010
42-507-33364	CML EXPLORATION, LLC	Oil	19427
42-507-33365	EXCO OPERATING COMPANY, LP	Oil	18314
42-507-33366	BUFFCO PRODUCTION INC.
42-507-33367	EXCO OPERATING COMPANY, LP	Oil	19916
42-507-33368	BUFFCO PRODUCTION INC.
42-507-33369	EXCO OPERATING COMPANY, LP	Oil	18314
42-507-33370	CML EXPLORATION, LLC	Oil	19988
42-507-33371	EL TORO RESOURCES LLC
42-507-33372	EXCO OPERATING COMPANY, LP	Oil	17448
42-507-33373	BUFFCO PRODUCTION INC.	Oil	19958
42-507-33374	BUFFCO PRODUCTION INC.	Oil	19958
42-507-33375
42-507-33376	EXCO OPERATING COMPANY, LP	Oil	15993
42-507-33377	EXCO OPERATING COMPANY, LP	Oil	15963
42-507-33378	EXCO OPERATING COMPANY, LP
42-507-33379	EXCO OPERATING COMPANY, LP
42-507-33380	CML EXPLORATION, LLC	Oil	20150
42-507-33381	EXCO OPERATING COMPANY, LP
42-507-33382	EXCO OPERATING COMPANY, LP	Oil	20026
42-507-33383	EXCO OPERATING COMPANY, LP
42-507-33384	EXCO OPERATING COMPANY, LP	Oil	20026
42-507-33385	EXCO OPERATING COMPANY, LP	Oil	20026
42-507-33386	CML EXPLORATION, LLC	Oil	20130
42-507-33387	CML EXPLORATION, LLC	Oil	20152
42-507-33388	EL TORO RESOURCES LLC
42-507-33389	EL TORO RESOURCES LLC
42-507-33390	TRINITY OPERATING (USG), LLC
42-507-33391	TRINITY OPERATING (USG), LLC
42-507-33392	TRINITY OPERATING (USG), LLC
42-507-33393	TRINITY OPERATING (USG), LLC
42-507-33394	TRINITY OPERATING (USG), LLC
42-507-33395	TRINITY OPERATING (USG), LLC
42-507-33396	EXCO OPERATING COMPANY, LP	Oil
42-507-33403	EXCO OPERATING COMPANY, LP
42-507-33404	EXCO OPERATING COMPANY, LP	Oil
42-507-33405	EXCO OPERATING COMPANY, LP	Oil
42-507-33406	TRINITY OPERATING (USG), LLC
42-507-33407	TRINITY OPERATING (USG), LLC
42-507-33408	TRINITY OPERATING (USG), LLC
42-507-33409	EXCO OPERATING COMPANY, LP
42-507-33410	EXCO OPERATING COMPANY, LP
42-507-33411	BUFFCO PRODUCTION INC.
42-507-33412	EXCO OPERATING COMPANY, LP
42-507-33413	EXCO OPERATING COMPANY, LP
42-507-33414	EXCO OPERATING COMPANY, LP
42-507-33415	EXCO OPERATING COMPANY, LP
42-507-33416	TRINITY OPERATING (USG), LLC
42-507-33417	TRINITY OPERATING (USG), LLC
42-507-33418	TRINITY OPERATING (USG), LLC
42-507-33419	TRINITY OPERATING (USG), LLC
42-507-33420	TRINITY OPERATING (USG), LLC
42-507-33421	TRINITY OPERATING (USG), LLC
42-507-33422	WEST TEXAS GAS, INC.
42-507-80000
42-507-80001
42-507-80002
42-507-80003
42-507-80004
42-507-80005
42-507-80006	H. & J. DRILLING COMPANY	Gas
42-507-80007	H. & J. DRILLING COMPANY	Gas
42-507-80008
42-507-80009	J-W OPERATING CO.	Gas
42-507-80010
42-507-80011
42-507-80012
42-507-80013	RIO GAS GATHERING CO., INC.	Gas
42-507-80014
42-507-80015	ELECTROTHERMIC CO., THE	Gas
42-507-80016		Gas
42-507-80017	J-W OPERATING CO.	Gas
42-507-80018	H & F PROPERTIES	Gas
42-507-80019	J-W OPERATING CO.	Gas
42-507-80020
42-507-80021
42-507-80022	SHAW, T. G.	Gas
42-507-80023
42-507-80024
42-507-80025
42-507-80026
42-507-80027
42-507-80028
42-507-80029
42-507-80030
42-507-80031
42-507-80032
42-507-80033	ESPERANZA OIL & GAS CO.	Gas
42-507-80034
42-507-80035
42-507-80036	RETAMCO, INC	Gas
42-507-80037	R. K. G. ENGINEERING, INC.	Gas
42-507-80038
42-507-80039
42-507-80040
42-507-80041
42-507-80042	R. K. G. ENGINEERING, INC.	Gas
42-507-80043	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80044	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80045	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80046
42-507-80047	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80048	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80049	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80050	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80051	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80052	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80053	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80054	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80055	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80056
42-507-80057
42-507-80058	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-80059	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-80060
42-507-80061
42-507-80062	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80063	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80064	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80065	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80066	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80067	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80068	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80069	MAVERICK ENERGY GROUP, INC.	Oil
42-507-80070
42-507-80071	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-80072
42-507-80073	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-80074	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-80075	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-80076	MAVERICK ENERGY GROUP, INC.	Oil	02421
42-507-80077
42-507-80078	MILLENNIUM PETRO-PHYSICS, INC.	Oil	02696
42-507-80079
42-507-80080
42-507-80081
42-507-80082
42-507-80083
42-507-80084
42-507-80085
42-507-80086
42-507-80087	BRIDGER OIL INC.	Oil	03854
42-507-80088
42-507-80089
42-507-80090
42-507-80091	Sun Exploration & Production Co.	Oil
42-507-80092	Sun Exploration & Production Co.	Oil
42-507-80093	Sun Exploration & Production Co.	Oil
42-507-80094	Sun Exploration & Production Co.	Oil
42-507-80095	Sun Exploration & Production Co.	Oil
42-507-80096
42-507-80097
42-507-80098
42-507-80099	Sun Exploration & Production Co.	Oil
42-507-80100
42-507-80101
42-507-80102	Sun Exploration & Production Co.	Oil
42-507-80103
42-507-80104
42-507-80105	Sun Exploration & Production Co.	Oil
42-507-80106	Sun Exploration & Production Co.	Oil
42-507-80107
42-507-80108
42-507-80109
42-507-80110	BURNS, R. L. CORPORATION	Oil
42-507-80111
42-507-80112	DELRAY OIL, INC.	Oil
42-507-80113	DELRAY OIL, INC.	Oil
42-507-80114	DELRAY OIL, INC.	Oil
42-507-80115	DELRAY OIL, INC.	Oil
42-507-80116	DELRAY OIL, INC.	Oil
42-507-80117	DELRAY OIL, INC.	Oil
42-507-80118	DELRAY OIL, INC.	Oil
42-507-80119	DELRAY OIL, INC.	Oil
42-507-80120	DELRAY OIL, INC.	Oil
42-507-80121	DELRAY OIL, INC.	Oil
42-507-80122	DELRAY OIL, INC.	Oil
42-507-80123	DELRAY OIL, INC.	Oil
42-507-80124	DELRAY OIL, INC.	Oil
42-507-80125	BURNS, R. L. CORPORATION	Oil
42-507-80126	BURNS, R. L. CORPORATION	Oil
42-507-80127	BURNS, R. L. CORPORATION	Oil
42-507-80128	DELRAY OIL, INC.	Oil
42-507-80129	DELRAY OIL, INC.	Oil
42-507-80130	DELRAY OIL, INC.	Oil
42-507-80131	DELRAY OIL, INC.	Oil
42-507-80132	DELRAY OIL, INC.	Oil
42-507-80133	DELRAY OIL, INC.	Oil
42-507-80134	DELRAY OIL, INC.	Oil
42-507-80135	DELRAY OIL, INC.	Oil
42-507-80136	DELRAY OIL, INC.	Oil
42-507-80137	DELRAY OIL, INC.	Oil
42-507-80138	DELRAY OIL, INC.	Oil
42-507-80139	DELRAY OIL, INC.	Oil
42-507-80140	DELRAY OIL, INC.	Oil
42-507-80141
42-507-80142	DELRAY OIL, INC.	Oil
42-507-80143	DELRAY OIL, INC.	Oil
42-507-80144	DELRAY OIL, INC.	Oil
42-507-80145	DELRAY OIL, INC.	Oil
42-507-80146	DELRAY OIL, INC.	Oil
42-507-80147
42-507-80148	DELRAY OIL, INC.	Oil
42-507-80149	DELRAY OIL, INC.	Oil
42-507-80150	DELRAY OIL, INC.	Oil
42-507-80151	DELRAY OIL, INC.	Oil
42-507-80152
42-507-80153	Houston Oil & Minerals Corp.	Oil
42-507-80154	Houston Oil & Minerals Corp.	Oil
42-507-80155	Houston Oil & Minerals Corp.	Oil
42-507-80156	Houston Oil & Minerals Corp.	Oil
42-507-80157
42-507-80158
42-507-80159	Sun Exploration & Production Co.	Oil
42-507-80160	Sun Exploration & Production Co.	Oil
42-507-80161	Sun Exploration & Production Co.	Oil
42-507-80162	Sun Exploration & Production Co.	Oil
42-507-80163	Sun Exploration & Production Co.	Oil
42-507-80164
42-507-80165	Sun Exploration & Production Co.	Oil
42-507-80166
42-507-80167
42-507-80168
42-507-80169
42-507-80170
42-507-80171	Sun Exploration & Production Co.	Oil
42-507-80172
42-507-80173
42-507-80174	Sun Exploration & Production Co.	Oil
42-507-80175	Sun Exploration & Production Co.	Oil
42-507-80176
42-507-80177
42-507-80178	Sun Exploration & Production Co.	Oil
42-507-80179
42-507-80180
42-507-80181
42-507-80182	TRINITY OPERATING (USG), LLC	Oil	04421
42-507-80183
42-507-80184
42-507-80185
42-507-80186
42-507-80187
42-507-80188
42-507-80189
42-507-80190
42-507-80191	EXXON CORP.	Oil
42-507-80192	EXXON CORP.	Oil
42-507-80193	EXXON CORP.	Oil
42-507-80194	EXXON CORP.	Oil
42-507-80195
42-507-80196
42-507-80197	ENCINO ENERGY & DEVELOPMENT CORP	Oil	04520
42-507-80198
42-507-80199
42-507-80200
42-507-80201
42-507-80202
42-507-80203
42-507-80204
42-507-80205
42-507-80206
42-507-80207
42-507-80208
42-507-80209
42-507-80210
42-507-80211
42-507-80212
42-507-80213
42-507-80214
42-507-80215
42-507-80216
42-507-80217
42-507-80218
42-507-80219
42-507-80220	OVERLY OPERATING CO.	Oil
42-507-80221
42-507-80222
42-507-80223
42-507-80224
42-507-80225	Davis Oil Company	Oil
42-507-80226
42-507-80227
42-507-80228
42-507-80229
42-507-80230
42-507-80231
42-507-80232
42-507-80233	MUELLER ENGINEERING CORP.	Oil
42-507-80234	COYLE, JOHN J.	Oil
42-507-80235
42-507-80236	CUATRO PETRO CORP.	Oil
42-507-80237
42-507-80238
42-507-80239
42-507-80240
42-507-80241
42-507-80242
42-507-80243	GRELLING INVESTMENTS	Oil
42-507-80244
42-507-80245
42-507-80246	MCDAY ENERGY CORP.	Oil	07626
42-507-80247
42-507-80248	PEARL, BILL H. PRODUCTIONS, INC.	Oil	09138
42-507-80249
42-507-80250
42-507-80251
42-507-80252	MORROW, D. B. INC.
42-507-80253	MORROW, D. B. INC.
42-507-80254
42-507-80255	Texaco Inc.
42-507-80256	Texaco Inc.
42-507-80257	Texaco Inc.
42-507-80258	REMUDA OIL & GAS CO.
42-507-80259	TEJAS PRODUCTION CO
42-507-80260	Gose, Steve
42-507-80261	NORTON OIL CO.,INC. & GRAGE,V.P.
42-507-80262	RIO GAS GATHERING CO., INC.
42-507-80263	BECKER, B. A.
42-507-80264	BECKER, B. A.
42-507-80265	BECKER, B. A.
42-507-80266	PETRO-CAP, INC.
42-507-80267	Getty Oil Co.
42-507-80268	ZAVALA ENERGY, INC.	Oil	09091
42-507-80269	RIO GAS GATHERING CO., INC.
42-507-80270	HUGHES & HUGHES
42-507-80271
42-507-80272	WINN EXPLORATION/DULCE COMPANY
42-507-80273
42-507-80275
42-507-80277
42-507-80278	OXSON CO.	Oil	08556
42-507-80279
42-507-80280
42-507-80281
42-507-80282
42-507-80283
42-507-80284
42-507-80285
42-507-80286	CORNERSTONE OIL & GAS, INC.	Oil	12094
42-507-80287
42-507-80288
42-507-80291

For data sources see