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

Difference between revisions of "37-053-29981"

m
 
m
 
(7 intermediate revisions by the same user not shown)
Line 1: Line 1:
 +
__TOC__
 
== Well Details ==
 
== Well Details ==
{| class="wikitable" width="95%"
+
{| class="wikitable welldetails" width="95%"
 
| Well ID: 37-053-29981
 
| Well ID: 37-053-29981
| style="width: 50%; height=100%; align=center" rowspan="14" | {{#display_map: 41.5555, -79.473416 | width=100% | height=100% }}  
+
| style="height=100%; align=center" rowspan="17" | {{#display_map: 41.5555, -79.473417 | width=100% | height=100% }}
 
|-
 
|-
| Operator Name: [[TITUSVILLE OIL & GAS ASSOC INC]]
+
| Country: United States
 
|-
 
|-
| First Permit Date: 2011-02-28
+
| State: Pennsylvania
 
|-
 
|-
| Last Permit Date: 2011-02-28
+
| County: [[Forest_County,_Pennsylvania|Forest]]
 
|-
 
|-
| Spud Date: 2011-05-05
+
| Municipality: [[Harmony Township,_Forest_County,_Pennsylvania|Harmony Township]]
 
|-
 
|-
| Unconventional: No
+
| Operator Name: [[TITUSVILLE OIL & GAS ASSOC INC]]
 
|-
 
|-
| Horizontal: No
+
| Well Pad ID:  
 
|-
 
|-
| Violations: 3
+
| Farm/Lease Name: SIGGINS CS 114
 
|-
 
|-
| Latitude: 41.5555
+
| License Status:  
 
|-
 
|-
| Longitude: -79.473416
+
| Spud Date:  
 
|-
 
|-
|}
+
| Permit Date: 2011-02-28
__TOC__
 
== Production Data ==
 
{| class="wikitable sortable" width="95%"
 
!scope="col" | PERIOD
 
!scope="col" | GAS QUANTITY
 
!scope="col" | GAS PRODUCTION DAYS
 
!scope="col" | CONDENSATE QUANTITY
 
!scope="col" | CONDENSATE PRODUCTION DAYS
 
!scope="col" | OIL QUANTITY
 
!scope="col" | OIL PRODUCTION DAYS
 
 
|-
 
|-
| 2013-0
+
| Well Type: OIL
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
 
|-
 
|-
 +
| Unconventional Well: N
 
|-
 
|-
| 2012-0
+
| Configuration: Vertical Well
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 129.21
 
| style="text-align:right;" | 366.0
 
 
|-
 
|-
 +
| Conservation: No
 
|-
 
|-
| 2011-0
+
| Latitude: 41.5555
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 0.0
 
| style="text-align:right;" | 366.11
 
| style="text-align:right;" | 144.0
 
 
|-
 
|-
 +
| Longitude: -79.473417
 
|}
 
|}
== Waste Data ==
+
For data sources see<ref>{{cite web
 +
| title = Permits Issued Detail Report
 +
|publisher = [[Pennsylvania Department of Environmental Protection]]
 +
| date = 2019-05-20
 +
| url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref><ref>{{cite web
 +
| title = Spud Data Report
 +
|publisher = [[Pennsylvania Department of Environmental Protection]]
 +
| date = 2019-04-30
 +
| url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-16 }}</ref><ref>{{cite web
 +
| title = Oil and Gas Well Pad Report
 +
|publisher = [[Pennsylvania Department of Environmental Protection]]
 +
| date = 2019-05-20
 +
| url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 +
== Well History ==
 
{| class="wikitable sortable" width="95%"
 
{| class="wikitable sortable" width="95%"
!scope="col" | PERIOD
+
!scope="col" | Date
!scope="col" | TYPE
+
!scope="col" | Event
!scope="col" | QUANTITY
 
!scope="col" | UNITS
 
!scope="col" | DISPOSAL METHOD
 
!scope="col" | WASTE FACILITY PERMIT ID
 
!scope="col" | WASTE FACILITY NAME
 
!scope="col" | FACILITY CITY
 
!scope="col" | FACILITY STATE
 
 
|-
 
|-
| 2012-0
+
| 2011-02-28
| PRODUCED FLUID
+
| New Permit Application
| style="text-align:right;" | 12.39
 
| Bbl
 
| ROAD SPREADING
 
|
 
| FOREST COUNTY ROADSPREADING - HARMONY TOWNSHIP
 
|
 
| PA
 
 
|-
 
|-
 +
| 2011-05-05
 +
| Performed Spud Operation
 
|-
 
|-
| 2012-0
+
| 2011-05-10
| PRODUCED FLUID
+
| Drilling Completion
| style="text-align:right;" | 99.35
 
| Bbl
 
| CENTRALIZED TREATMENT PLANT FOR RECYCLE
 
| PA0101508
 
| PA BRINE TRT INC - FRANKLIN PLT - VENANGO CO
 
| FRANKLIN
 
| PA
 
 
|-
 
|-
 +
| 2011-11-17
 +
| NEWLY DRILLED
 
|-
 
|-
| 2012-0
+
|}
| PRODUCED FLUID
+
For data sources see<ref>{{cite web
| style="text-align:right;" | 24.78
+
| title = Compiled from multiple data sources - see Pennsylvania Oil and Gas Data Sources
| Bbl
+
| date = 2020-02-27
| REUSE OTHER THAN ROAD SPREADING
+
| url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources
|  
+
| accessdate = 2020-02-27 }}</ref>
| REUSE FOR HYDRAULIC FRACTURING
+
<!--== Fracking Activities ==
|  
+
==== Fracking Jobs ====
|  
+
{| class="wikitable sortable" width="95%"
 +
!scope="col" | Job Number
 +
!scope="col" | Job Start Date
 +
!scope="col" | Job End Date
 +
!scope="col" | True Vertical Depth (ft)
 +
!scope="col" | Total Water Volume (gal)
 +
!scope="col" | Total Non-Water Volume (gal)
 
|-
 
|-
 +
|}-->
 +
<!--==== Fluid Composition Data ====
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" | Job Number
 +
!scope="col" | Trade Name
 +
!scope="col" | Supplier
 +
!scope="col" | Purpose
 +
!scope="col" | Ingredient Name
 +
!scope="col" | CAS Number
 +
!scope="col" | Additive Percentage by Mass
 +
!scope="col" | Job Percentage by Mass
 +
!scope="col" | Mass Used (lb)
 
|-
 
|-
| 2012-0
+
|}-->
| PRODUCED FLUID
+
 
| style="text-align:right;" | 29.29
+
<!--== Stimulation Data ==
| Bbl
+
{| class="wikitable sortable" width="95%"
| ROAD SPREADING
+
!scope="col" | Stimulation Date
|  
+
!scope="col" | Phase Number
| VENANGO COUNTY ROADSPREADING - ALLEGHENY TOWNSHIP
+
!scope="col" | Chemical Agent
|  
+
!scope="col" | Volume (gal)
| PA
+
!scope="col" | Treating Pressure (psi)
 +
!scope="col" | Breakdown Pressure (psi)
 
|-
 
|-
 +
|}-->
 +
 +
== Production Data ==
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" | Period
 +
!scope="col" | Operator Name
 +
!scope="col" | Gas Quantity (mcf)
 +
!scope="col" | Gas Production Days
 +
!scope="col" | Oil Quantity (bbl)
 +
!scope="col" | Oil Production Days
 +
!scope="col" | Water Quantity (bbl)
 +
!scope="col" | Water Production Days
 
|-
 
|-
| 2012-0
+
| 2011
| PRODUCED FLUID
+
| [[TITUSVILLE OIL & GAS ASSOC INC]]
| style="text-align:right;" | 6.76
+
| style="text-align: right;" | 0.00
| Bbl
+
| style="text-align: right;" | 0
| ROAD SPREADING
+
| style="text-align: right;" | 366.11
|  
+
| style="text-align: right;" | 144
| VENANGO COUNTY ROADSPREADING - OIL CREEK TOWNSHIP
+
| style="text-align: right;" | 0.00
|  
+
| style="text-align: right;" | 0
| PA
 
 
|-
 
|-
 +
| 2012
 +
| [[TITUSVILLE OIL & GAS ASSOC INC]]
 +
| style="text-align: right;" | 0.00
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 129.21
 +
| style="text-align: right;" | 366
 +
| style="text-align: right;" | 0.00
 +
| style="text-align: right;" | 0
 
|-
 
|-
| 2012-0
+
| 2013
| PRODUCED FLUID
+
| [[TITUSVILLE OIL & GAS ASSOC INC]]
| style="text-align:right;" | 1.13
+
| style="text-align: right;" | 0.00
| Bbl
+
| style="text-align: right;" | 0
| ROAD SPREADING
+
| style="text-align: right;" | 0.00
|  
+
| style="text-align: right;" | 0
| VENANGO COUNTY ROADSPREADING-PRIVATE ROADS OR LOTS
+
| style="text-align: right;" | 0.00
|  
+
| style="text-align: right;" | 0
| PA
 
 
|-
 
|-
 +
| 2014
 +
| [[TITUSVILLE OIL & GAS ASSOC INC]]
 +
| style="text-align: right;" | 0.00
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00
 +
| style="text-align: right;" | 0
 +
| style="text-align: right;" | 0.00
 +
| style="text-align: right;" | 0
 
|-
 
|-
| 2012-0
+
| 2015
| PRODUCED FLUID
+
| [[TITUSVILLE OIL & GAS ASSOC INC]]
| style="text-align:right;" | 17.77
+
| style="text-align: right;" | 0.00
| Bbl
+
| style="text-align: right;" | 0
| CENTRALIZED TREATMENT PLANT FOR RECYCLE
+
| style="text-align: right;" | 0.00
| PA0102784
+
| style="text-align: right;" | 0
| WASTE TREATMENT CORPORATION
+
| style="text-align: right;" | 0.00
| WARREN
+
| style="text-align: right;" | 0
| PA
 
 
|-
 
|-
 +
|}
 +
For data sources see<ref>{{cite web
 +
| title =Oil and Gas Production Reports
 +
|publisher = [[Pennsylvania Department of Environmental Protection]]
 +
| date = 2019-03-31
 +
| url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 +
== Waste Data ==
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" | Period
 +
!scope="col" | Operator
 +
!scope="col" | Waste Type
 +
!scope="col" | Quantity
 +
!scope="col" | Disposal Method
 +
!scope="col" | Waste Facility ID
 
|-
 
|-
| 2011-0
+
| 2011
| PRODUCED FLUID
+
| [[TITUSVILLE OIL & GAS ASSOC INC]]
| style="text-align:right;" | 230.07
+
| Produced Fluid
| Bbl
+
| style="text-align: right;" | 230.07 Bbl
 
| CENTRALIZED TREATMENT PLANT FOR RECYCLE
 
| CENTRALIZED TREATMENT PLANT FOR RECYCLE
 
| PA0101508
 
| PA0101508
| PA BRINE TRT INC - FRANKLIN PLT - VENANGO CO
 
| FRANKLIN
 
| PA
 
 
|-
 
|-
|-
+
| 2012
| 2012-0
+
| [[TITUSVILLE OIL & GAS ASSOC INC]]
| PRODUCED FLUID
+
| Produced Fluid
| style="text-align:right;" | 12.39
+
| style="text-align: right;" | 24.78 Bbl
| Bbl
+
| REUSE OTHER THAN ROAD SPREADING
| ROAD SPREADING
 
 
|  
 
|  
| FOREST COUNTY ROADSPREADING - HARMONY TOWNSHIP
 
|
 
| PA
 
 
|-
 
|-
|-
+
| 2012
| 2012-0
+
| [[TITUSVILLE OIL & GAS ASSOC INC]]
| PRODUCED FLUID
+
| Produced Fluid
| style="text-align:right;" | 99.35
+
| style="text-align: right;" | 17.77 Bbl
| Bbl
 
 
| CENTRALIZED TREATMENT PLANT FOR RECYCLE
 
| CENTRALIZED TREATMENT PLANT FOR RECYCLE
| PA0101508
+
| PA0102784
| PA BRINE TRT INC - FRANKLIN PLT - VENANGO CO
 
| FRANKLIN
 
| PA
 
|-
 
|-
 
| 2012-0
 
| PRODUCED FLUID
 
| style="text-align:right;" | 24.78
 
| Bbl
 
| REUSE OTHER THAN ROAD SPREADING
 
|
 
| REUSE FOR HYDRAULIC FRACTURING
 
|
 
|
 
|-
 
|-
 
| 2012-0
 
| PRODUCED FLUID
 
| style="text-align:right;" | 29.29
 
| Bbl
 
| ROAD SPREADING
 
|
 
| VENANGO COUNTY ROADSPREADING - ALLEGHENY TOWNSHIP
 
|
 
| PA
 
|-
 
|-
 
| 2012-0
 
| PRODUCED FLUID
 
| style="text-align:right;" | 6.76
 
| Bbl
 
| ROAD SPREADING
 
|
 
| VENANGO COUNTY ROADSPREADING - OIL CREEK TOWNSHIP
 
|
 
| PA
 
|-
 
 
|-
 
|-
| 2012-0
+
| 2012
| PRODUCED FLUID
+
| [[TITUSVILLE OIL & GAS ASSOC INC]]
| style="text-align:right;" | 1.13
+
| Produced Fluid
| Bbl
+
| style="text-align: right;" | 12.39 Bbl
 
| ROAD SPREADING
 
| ROAD SPREADING
 
|  
 
|  
| VENANGO COUNTY ROADSPREADING-PRIVATE ROADS OR LOTS
 
|
 
| PA
 
|-
 
 
|-
 
|-
| 2012-0
+
| 2012
| PRODUCED FLUID
+
| [[TITUSVILLE OIL & GAS ASSOC INC]]
| style="text-align:right;" | 17.77
+
| Produced Fluid
| Bbl
+
| style="text-align: right;" | 99.35 Bbl
 
| CENTRALIZED TREATMENT PLANT FOR RECYCLE
 
| CENTRALIZED TREATMENT PLANT FOR RECYCLE
| PA0102784
+
| PA0101508
| WASTE TREATMENT CORPORATION
 
| WARREN
 
| PA
 
 
|-
 
|-
 
|}
 
|}
 +
For data sources see<ref>{{cite web
 +
| title =Oil and Gas Waste Reports
 +
|publisher = [[Pennsylvania Department of Environmental Protection]]
 +
| date = 2019-03-31
 +
| url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 
== Inspection Data ==
 
== Inspection Data ==
 +
==== Inspections Performed ====
 
{| class="wikitable sortable" width="95%"
 
{| class="wikitable sortable" width="95%"
!scope="col" | INSPECTION ID
+
!scope="col" | Inspection ID
!scope="col" | DATE
+
!scope="col" | Inspection Category
!scope="col" | DESCRIPTION
+
!scope="col" | Inspection Date
!scope="col" | COMMENT
+
!scope="col" | Inspection Type
!scope="col" | VIOLATION ID
+
!scope="col" | Inspection Result
 +
!scope="col" | Inspection Comments
 
|-
 
|-
 
| 2019379
 
| 2019379
 +
| Primary Facility
 
| 2011-11-09
 
| 2011-11-09
 +
| Administrative/File Review
 +
| Violation(s) Noted
 +
|
 +
|-
 +
| 2201453
 +
| Primary Facility
 +
| 2013-08-29
 +
| Routine/Complete Inspection
 
| Violation(s) Noted
 
| Violation(s) Noted
 
|  
 
|  
| 624757
 
 
|-
 
|-
 +
|}
 +
==== Violations Commited ====
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" | Inspection ID
 +
!scope="col" | Violation ID
 +
!scope="col" | Violation Date
 +
!scope="col" | Date Resolved
 +
!scope="col" | Violation Code
 +
!scope="col" | Violation Type
 +
!scope="col" | Violation Comments
 
|-
 
|-
 
| 2019379
 
| 2019379
 +
| 624757
 +
| 11/09/2011
 
| 2011-11-09
 
| 2011-11-09
| Violation(s) Noted
+
| 212WELLRCD - Failure to submit well record within 30 days of completion of drilling
 +
| Administrative
 
|  
 
|  
| 624758
 
|-
 
 
|-
 
|-
 
| 2019379
 
| 2019379
 +
| 624758
 +
| 11/09/2011
 
| 2011-11-09
 
| 2011-11-09
| Violation(s) Noted
+
| 212CMPLRPT - Failure to submit completion report within 30 days of completion of well
 +
| Administrative
 
|  
 
|  
 +
|-
 +
| 2019379
 
| 624759
 
| 624759
|-
+
| 11/09/2011
 +
| 2011-11-09
 +
| 601.101 - O&G Act 223-General. Used only when a specific O&G Act code cannot be used
 +
| Administrative
 +
| 78.122 - Failure to provide all information required on the reports.
 
|-
 
|-
 
| 2201453
 
| 2201453
 +
| 676989
 +
| 08/29/2013
 
| 2013-08-29
 
| 2013-08-29
| Forest
+
| 210UNPLUG - Failure to plug a well upon abandonment
| Harmony Twp
+
| Administrative
| Violation(s) Noted
+
|  
 +
|-
 +
|}
 +
==== Penalties Applied ====
 +
{| class="wikitable sortable" width="95%"
 +
!scope="col" | Violation ID
 +
!scope="col" | Penalty ID
 +
!scope="col" | Penalty Code
 +
!scope="col" | Penalty Status
 +
!scope="col" | Penalty Date
 +
!scope="col" | Enforcement Date
 +
!scope="col" | Penalty Amount
 +
!scope="col" | Amount Collected
 +
|-
 +
| 624757
 +
| 277130
 +
| NOV - Notice of Violation
 +
| Administrative Close Out
 +
|
 +
| 2011-11-30
 +
| style="text-align: right;" |
 +
| style="text-align: right;" |
 +
|-
 +
| 624758
 +
| 277130
 +
| NOV - Notice of Violation
 +
| Administrative Close Out
 +
|
 +
| 2011-11-30
 +
| style="text-align: right;" |
 +
| style="text-align: right;" |
 +
|-
 +
| 624759
 +
| 277130
 +
| NOV - Notice of Violation
 +
| Administrative Close Out
 +
|
 +
| 2011-11-30
 +
| style="text-align: right;" |
 +
| style="text-align: right;" |
 +
|-
 +
| 676989
 +
| 302018
 +
| NOV - Notice of Violation
 +
| Comply/Closed
 +
|
 +
| 2014-01-27
 +
| style="text-align: right;" |
 +
| style="text-align: right;" |
 
|-
 
|-
 
|}
 
|}
 +
For data sources see<ref>{{cite web
 +
| title =Oil and Gas Compliance Report
 +
|publisher = [[Pennsylvania Department of Environmental Protection]]
 +
| date = 2019-05-20
 +
| url = http://wellwiki.org/wiki/Pennsylvania_Oil_and_Gas_Data_Sources
 +
| accessdate = 2019-05-21 }}</ref>
 
==References==
 
==References==
{{Reflist}}
+
<references/>
 
 
 
__NOEDITSECTION__
 
__NOEDITSECTION__
 +
[[Category:Pennsylvania Wells]]

Latest revision as of 09:59, 14 May 2020

Well Details

Well ID: 37-053-29981
Loading map...
Country: United States
State: Pennsylvania
County: Forest
Municipality: Harmony Township
Operator Name: TITUSVILLE OIL & GAS ASSOC INC
Well Pad ID:
Farm/Lease Name: SIGGINS CS 114
License Status:
Spud Date:
Permit Date: 2011-02-28
Well Type: OIL
Unconventional Well: N
Configuration: Vertical Well
Conservation: No
Latitude: 41.5555
Longitude: -79.473417

For data sources see[1][2][3]

Well History

Date Event
2011-02-28 New Permit Application
2011-05-05 Performed Spud Operation
2011-05-10 Drilling Completion
2011-11-17 NEWLY DRILLED

For data sources see[4]


Production Data

Period Operator Name Gas Quantity (mcf) Gas Production Days Oil Quantity (bbl) Oil Production Days Water Quantity (bbl) Water Production Days
2011 TITUSVILLE OIL & GAS ASSOC INC 0.00 0 366.11 144 0.00 0
2012 TITUSVILLE OIL & GAS ASSOC INC 0.00 0 129.21 366 0.00 0
2013 TITUSVILLE OIL & GAS ASSOC INC 0.00 0 0.00 0 0.00 0
2014 TITUSVILLE OIL & GAS ASSOC INC 0.00 0 0.00 0 0.00 0
2015 TITUSVILLE OIL & GAS ASSOC INC 0.00 0 0.00 0 0.00 0

For data sources see[5]

Waste Data

Period Operator Waste Type Quantity Disposal Method Waste Facility ID
2011 TITUSVILLE OIL & GAS ASSOC INC Produced Fluid 230.07 Bbl CENTRALIZED TREATMENT PLANT FOR RECYCLE PA0101508
2012 TITUSVILLE OIL & GAS ASSOC INC Produced Fluid 24.78 Bbl REUSE OTHER THAN ROAD SPREADING
2012 TITUSVILLE OIL & GAS ASSOC INC Produced Fluid 17.77 Bbl CENTRALIZED TREATMENT PLANT FOR RECYCLE PA0102784
2012 TITUSVILLE OIL & GAS ASSOC INC Produced Fluid 12.39 Bbl ROAD SPREADING
2012 TITUSVILLE OIL & GAS ASSOC INC Produced Fluid 99.35 Bbl CENTRALIZED TREATMENT PLANT FOR RECYCLE PA0101508

For data sources see[6]

Inspection Data

Inspections Performed

Inspection ID Inspection Category Inspection Date Inspection Type Inspection Result Inspection Comments
2019379 Primary Facility 2011-11-09 Administrative/File Review Violation(s) Noted
2201453 Primary Facility 2013-08-29 Routine/Complete Inspection Violation(s) Noted

Violations Commited

Inspection ID Violation ID Violation Date Date Resolved Violation Code Violation Type Violation Comments
2019379 624757 11/09/2011 2011-11-09 212WELLRCD - Failure to submit well record within 30 days of completion of drilling Administrative
2019379 624758 11/09/2011 2011-11-09 212CMPLRPT - Failure to submit completion report within 30 days of completion of well Administrative
2019379 624759 11/09/2011 2011-11-09 601.101 - O&G Act 223-General. Used only when a specific O&G Act code cannot be used Administrative 78.122 - Failure to provide all information required on the reports.
2201453 676989 08/29/2013 2013-08-29 210UNPLUG - Failure to plug a well upon abandonment Administrative

Penalties Applied

Violation ID Penalty ID Penalty Code Penalty Status Penalty Date Enforcement Date Penalty Amount Amount Collected
624757 277130 NOV - Notice of Violation Administrative Close Out 2011-11-30
624758 277130 NOV - Notice of Violation Administrative Close Out 2011-11-30
624759 277130 NOV - Notice of Violation Administrative Close Out 2011-11-30
676989 302018 NOV - Notice of Violation Comply/Closed 2014-01-27

For data sources see[7]

References