TEXAS · WELLS · DENTON COUNTY · POOL "B" LEASE · API 42-121-31266 · DISTRICT 7C
Pool B #4
Denton County · Newark East (Barnett Shale) field · Producing · Directional
Pool B #4 (API 42-121-31266) is a well in Denton County operated by Bkv Barnett LLC, completed December 11, 2002 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 13, 2001, permitted to 7,790 ft.
It was permitted by Mitchell Energy Company L.P. and has since transferred to Bkv Barnett LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Parks Reef, Caddo, Daly Lime, Marble Falls.
Its lease has reported 1.55M mcf of gas since December 2002, last reporting volume in April 2026.
Operator of record
Permitted by Mitchell Energy Company L.P.; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 11, 2026
- Permits on file
- 143
- Phone
- (940) 394-2000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | BKV Barnett LLC |
| Production reports | BKV Barnett, LLCthrough Apr 2026 |
| Latest permit | Mitchell Energy Company L.P.Nov 13, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,790
- total depth, ft
- 1
- permits on file
- Nov 13, 2001
- last permit issued
- Dec 11, 2002
- completed
- 0
- cumulative oil, bbl
- 1.55M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2003 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 11, 2002
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pool "B" G-13-194459 | Newark, East (Barnett Shale) | BKV Barnett, LLC | 1 | 0 | 1.55M | Dec 2002 – Apr 2026 |
Gas, mcf lease total
Last 12 months 35,897 · prior 12 27,636(+30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Devon Energy Operating Co., L.P.Jan 2003 → Jul 2004
- 2Devon Energy Production Co, L.P.Aug 2004 → Sep 2020
- 3BKV Barnett, LLCOct 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 515171-99 | Drill | Mitchell Energy Company L.P. | Nov 8, 2001 | Nov 13, 2001 | Nov 10, 2002 | 7,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 11, 2002 | Pool B G-13-194459 | Newark East (Barnett Shale) | BKV Barnett LLC | Producing | 7,790 |
Formation tops
As filed on W-2/G-1. Subsea from 832 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Parks Reef | 2,953 | -2,121 |
| CaddoCADDO LIME | 3,469 | -2,637 |
| Daly Lime | 3,674 | -2,842 |
| Marble Falls | 6,932 | -6,100 |
| BarnettBARNETT SHALE | 7,100 | -6,268 |
| BarnettBARNETT SHALE | 7,285 | -6,453 |
| Ordovician | 7,691 | -6,859 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,289 | 7,659 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,077 | 12.25 | 530 S |
| 5.5 | 7,790 | 7.875 | 430 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Sep 15, 2005 | Jun 20, 2005 | — |
| 00 | Jun 9, 2003 | Apr 11, 2003 | Yes |
| 00 | May 28, 2003 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-121-31266 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-121-31266 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/12131266, documented in the API reference.