X

Track changes made to this page

If you find this page useful and would like to be notified of changes made to this page, start by inputting your email below.



Privacy policy
Close this window

powered by ChangeDetection

34-111-24718

Well Details

Well ID: 34-111-24718
Loading map...
Country: United States
State: Ohio
County: Monroe
Municipality: Switzerland Township
Operator Name: CNX GAS COMPANY LLC
Well Pad ID: US-OH-001436
Farm/Lease Name: DETWEILER JOHN W ETAL
License Status: Producing
License Date: 2017-02-06
Spud Date: 2017-02-10
Spud Drilling Contractor: PATTERSON DRILLING
Final Drill Date: 2017-04-25
Well Total Depth: 21162.00 ft
Configuration: Horizontal
Latitude: 39.820000
Longitude: -80.960000

For data sources see[1]

Well History

Well Status Well Status Date Comment
APP 2017-02-06 Proposed Formations:POINT PLEASANT, Issued Date:2/6/2017, Expired Date:2/6/2019 12:00:00 PM, Drilling unit acres:702.24, Proposed Well Type:OG, Proposed Well Class:POOL
Reached Total Depth 2017-04-25
Completion Report Received 2017-12-21
Correction to Well 2018-01-05 UPDATE TARGET/TAKE PER AS-DRILLED PLAT
Record Last Modified 2018-04-06
Construction Permit Expires 2019-02-06

For data sources see[2]

Perforation Treatments

Perforation Date Interval Top (ft) Interval Base (ft) Number of Shots
2017-12-27 10900 11047 0
2017-12-27 20855 21006 0
20855 21006 0
10900 11047 0
10900 11047 0

For data sources see[3]

Fracking Activities

Fracking Jobs

Job Number Job Start Date Job End Date True Vertical Depth (ft) Total Water Volume (gal) Total Non-Water Volume (gal)
1 08/25/2017 09/17/2017 10314 24,778,600.0 0

Fluid Composition Data

Job Number Trade Name Supplier Purpose Ingredient Name CAS Number Additive Percentage by Mass Job Percentage by Mass Mass Used (lb)
1 Aqucar 714 UPP Biocide Quarternary ammonium compounds,

benzyl-C12-16-alkyldimethyl, chlorides

68424-85-1 2.5 0.000281268 673.875
Water 7732-18-5 83 0.00933809 22372.7
Ethanol 64-17-5 0.3 0.00003375 80.865
Glutaraldehyde 111-30-8 14 0.0015751 3773.7
Unislick ST50 UPP Friction reducer Alcohols, ethoxylated 68439-50-9 5 0.00417465 10001.8
Ammonium acetate 631-61-8 13 0.0108541 26004.8
Alcohols, ethoxylated 68551-12-2 5 0.00417465 10001.8
Petroleum distillates, hydrotreated light 64742-47-8 30 0.0250479 60011
Alcohols, ethoxylated 68002-97-1 5 0.00417465 10001.8
AP Breaker UPP Gel breaker Sulfuric acid 7664-93-9 0.5 0.00000232 5.56
Ammonium peroxydisulfate 7727-54-0 100 0.000464136 1112
Scale Inhibitor E UPP Scale Inhibitor DETA phosphonate 15827-60-8 5 0.000696328 1668.3
Hexamethylene Triamine Penta(Methylene Phosphonic Acid) 34690-00-1 5 0.000696328 1668.3
Copolymer of Maleic and Acrylic Acid 52255-49-9 20 0.00278531 6673.2
WGA-7 UPP Viscosifier Guar Gum 9000-30-0 55 0.0135479 32458.7
Distillates (petroleum), hydrotreated light 64742-47-8 55 0.0135479 32458.7
Ceramic Proppant Carbo Ceramics Proppant Ceramic materials and wares, chemicals 66402-68-4 100 2.15439 5,161,600.0
Sand UPP Proppant Crystalline Silica in the form of Quartz 14808-60-7 99.9 10.565 25,312,200.0
HCL Acid (15%) UPP Acidizing Hydrochloric Acid 7647-01-0 15 0.124383 298003
Unihib G UPP Acid inhibitor Alcohols, C10-16, ethoxylated 68002-97-1 50 0.000327168 783.846
Thiourea 62-56-6 1 0.00000654 15.677
Methanol 67-56-1 5 0.00003272 78.385
Formaldehyde 50-00-0 1 0.00000654 15.677
Butyl diglycol 112-34-5 75 0.000490752 1175.77
Water Consol Carrier/Base Fluid Water 7732-18-5 100 86.3064 206,777,000.0
Other Chemical(s) Listed Above See Trade Name(s) List Quarternary ammonium compounds,

benzyl-C12-16-alkyldimethyl, chlorides

68424-85-1 2.5 0.000281268 673.875
Sulfuric acid 7664-93-9 0.5 0.00000232 5.56
Hexamethylene Triamine Penta(Methylene Phosphonic Acid) 34690-00-1 5 0.000696328 1668.3
Methanol 67-56-1 5 0.00003272 78.385
Formaldehyde 50-00-0 1 0.00000654 15.677
Alcohols, ethoxylated 68002-97-1 5 0.00417465 10001.8
Alcohols, ethoxylated 68551-12-2 5 0.00417465 10001.8
Thiourea 62-56-6 1 0.00000654 15.677
Water 7732-18-5 83 0.00933809 22372.7
Alcohols, C10-16, ethoxylated 68002-97-1 50 0.000327168 783.846
DETA phosphonate 15827-60-8 5 0.000696328 1668.3
Ammonium acetate 631-61-8 13 0.0108541 26004.8
Alcohols, ethoxylated 68439-50-9 5 0.00417465 10001.8
Distillates (petroleum), hydrotreated light 64742-47-8 55 0.0135479 32458.7
Ethanol 64-17-5 0.3 0.00003375 80.865

For data sources see[4]

Stimulations Data

Stimulation Date Chemical Agent Chemical Agent Concentration (%) Fracking Fluid Volume Mass of Proppant Used (lb) Fracking Company Comments
2017-09-17 H2O 15 10736 Bbl 600921 Universal Well Services Inc. STAGE 51/51

STAGES 2-50 SEE IMAGES

2017-08-25 H2O 15 10871 Bbl 494426 Universal Well Services Inc. STAGE 1/51

STAGES 2-50 SEE IMAGES

For data sources see[5]

Production Data

Period Operator Name Gas Quantity (mcf) Oil Quantity (bbl) Production Days
2017 CNX GAS COMPANY LLC 1091759 0 60
2018 CNX GAS COMPANY LLC 5491200 0 361
2019 CNX GAS COMPANY LLC 781020 0 89

For data sources see[6] [7]

Waste Data

Period Operator Name Waste Type Quantity (bbl) Production Days
2017 CNX GAS COMPANY LLC Brine 53158 60
2018 CNX GAS COMPANY LLC Brine 106026 361
2019 CNX GAS COMPANY LLC Brine 13527 89

For data sources see[8] [9]

Inspection Data

Inspections Performed

Inspection ID Inspection Date Inspection Type Inspection Result Inspection Comments
-1246690501 2018-2-21 0:00: PW No Violations
-126313164 2017-8-16 0:00: CT No Violations 0.50
-830065985 2017-4-6 0:00:0 CS No Violations 2.00
-942434532 2020-5-18 0:00: PL No Violations 1.00
0126313164 2017-08-16 Completion Testing No Violations The pad is named Switz 26 and consists of 4 wells. During my inspection Universal Pressure Pumping, Allied Wireline, and CNX Company Man were on location. Universal Pressure Pumping was rigged up for hydraulic stimulation operations on the C and A well. Operations were at a stand-still and there was not any equipment in operation. I discussed with CNX Company Man annular pressure monitoring. He stated that they monitor the annular pressure at the wellhead and then run a line to the frac van when operations begin to record and monitor their pressures. The wellhead was equipped with a frac stack with all valves in the close position. Annular pressure monitoring was present. A 2 inch diameter steel line was plumbed up to the 9.625 inch diameter casing and ran to a bled off tank.
0197966306 2017-02-13 Casing String Witnessed No Violations On site inspection to witness the 30 conductor annular cement topped off. The water was pulled off the top of the cement down to 30 and the annular space filled up with 16.8 barrels of class A cement. The mix consisted of 80 sacks of class A cement with 2% calcium and 1/4 lb/sk lcm.
0830065985 2017-04-06 Casing String Witnessed No Violations Patterson Drilling Rig 803 had a 24 inch diameter borehole drilled to 711 feet and attempted to run 18.625 inch diameter surface/mine string casing but could not get the casing landed. The casing was laid down and the hole was reamed out. During my inspection I witnessed the rig tripping out of hole and rigging up the casing crew. The 18.625 inch diameter casing was evaluated on the pipe racks and the cement calculations for the cement job were discussed with the CNX company men. The new estimated cement time will now be sometime this afternoon.
0833778877 2018-05-21 Production Wells No Violations Producing well status check found that a total of 4 wells are present on the well pad and in production with the production valves on the tubing head assemblies in the open position. There is a total od 4 gas processing units on location and 4 steel design production tanks. A 3rd party midstream operator identified as EQT is set up at the rear of the well pad. There is a large portable water storage tank used in the stimulation process set up on the well pad also.
1246690501 2018-02-21 Production Wells No Violations Status check inspection found the well drilling and completion process now complete and the well in line and producing from the tubing flow cross section. The casing section of the well head is isolated with no flow lines attached. All well head annulis have pressure gauges and flow lines present with check valves present on the flow lines. On location is also a production fluid tank battery consisting of a total of (4) tanks of steel construction design situated inside a polymer lined steel containment area. Also on location is 4 gas processing units on each servicing each well on the pad. EQT also has a midstream operation off the back corner of the well pad. Emergency Shut down devices are located at the well pad entrance-at each well head -the tank battery and the gas processing units.
1486828449 2017-02-11 Casing String Witnessed No Violations On site inspection to witness the conductor casing cement job with Express Services Drilling and Cementing. A 36 diameter borehole was drilled to 100 and 100 of 30 diameter .375 wall pipe was ran. The casing was cemented with 275 sacks of class A cement displaced with 74.79 barrels of fresh water. Cement returns were witnessed to surface inside the cellar. The cement top fell back to 33 and the well will be topped back off when the nex conductor is cemented on the pad.
1487681989 2017-02-15 Casing String Witnessed No Violations I was on location to witness Express Energy cement the 30 inch diameter casing into a 36 inch diameter borehole. Express Energy drilled a 100 foot 36 inch diameter borehole and set 100 feet of 30 inch diameter casing into the hole. Express ran 15 barrels of fresh water gel ahead of the cement. Express then ran 275 sacks of class A cement, 2% CaCL, and .5 parts per sack of floseal with 57.75 barrels of fresh water at 15.6 pounds and a yield of 1.18. Express then displaced with 74.8 barrels of fresh water until we got cement to surface. Express Energy circulated about 20 barrels of cement to surface and finished cementing the casing into the bore hole.
1491918367 2017-04-06 Casing String Witnessed No Violations The purpose of my inspection was to witness the surface-mine string cement job. The coal seam is from 623 feet to 635 feet in depth. Patterson Drilling Rig 803 drilled a 24 inch diameter borehole to a depth of 711 feet. The 18.625 inch diameter casing, 87.5 pounds per foot, was run to a depth of 670 feet. Allied Cement Services was on location to cement the casing string in two stages with a packer set at 402 feet. 180 barrels of fresh water, 26 barrels of gel, and 5 barrels of fresh water were pumped ahead of 59 barrels of Class A cement with 1.5 percent calcium. The plug was dropped and 207 barrels of displacement were pumped to displace the first stage. The differential valve stage tool failed and opened prematurely sending cement returns to surface. At that point the decision was made to circulate all of the cement out of hole. New plan was discussed with Allied, Blackhawk, and CNX company men and we decided to tag the plug to see if it landed. The first stage plug was tagged right below that stage tool at 410, it did not land. CNX Company man came up with the plan to complete the top cement stage from 402 to surface and then drill out the stage tool and then set a balanced plug crossed the bottom stage section from 670 feet to 402. The plan was approved and CNX proceeded with the plan.
1629652424 2017-08-03 Completion Testing No Violations The purpose of my inspection was a status check. During my inspection the well was equipped with a frac valve in the closed position. The pad surface was lined with containment liner and frac tanks were being placed on containment. Location was in preparation for hydraulic stimulation operations.
197966306 2017-2-13 0:00: CS No Violations 1.00
833778877 2018-5-21 0:00: PW No Violations 0.20

For data sources see[10]

References