WELL · 42-371-34634 · DISTRICT 8
Fort Stockton Unit #621
Pecos County · Fort Stockton field · Producing · Vertical
Fort Stockton Unit #621 (API 42-371-34634) is a well in Pecos County operated by Double Barrel Oil LLC, completed February 23, 1996 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 1984 and 1996, permitted to 3,379 ft.
It was permitted by Exxon Corp. and has since transferred to Double Barrel Oil LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Up Yates, Lo Yates, Reef.
Its 2 leases have reported 1.22M barrels of oil and 2.88M mcf of gas since January 1993, last reporting in July 2026. The leases carry 165 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
- Based in
- Brenham, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 26, 2025
- Permits on file
- 1
- Phone
- (432) 367-0579
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Double Barrel Oil LLCthrough Apr 2026 |
| Latest permit | Exxon Corp.Feb 5, 1996 |
- 3,379
- total depth, ft
- 2
- permits on file
- Feb 5, 1996
- last permit issued
- Feb 23, 1996
- completed
- 1.22M
- cumulative oil, bbl
- 2.88M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 23, 1996
- 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 2 leases this well is completed on; they carry 165 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Fort Stockton Unit O-10-18342 | Fort Stockton | Double Barrel Oil LLC | 120 | 1.1M | 2.49M | Jan 1993 – Jul 2026 |
| Fort Stockton Unit O-10-18044 | Fort Stockton (Yates Lower) | Cliffwood Production Co. | 45 | 126K | 390K | Jan 1993 – Sep 1997 |
Oil, barrels lease total
Last 12 months 11,069 · prior 12 7,109(+56%)
Gas, mcf lease total
Last 12 months 9,855 · prior 12 13,686(-28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Jul 1996
- 2Cliffwood Production Co.Aug 1996 → Sep 2000
- 3Energen Resources CorporationOct 2000 → Jan 2019
- 4Diamondback E&P LLCFeb 2019 → Jun 2019
- 5Sabinal Energy Operating, LLCJul 2019 → Nov 2021
- 6Double Barrel Oil LLCDec 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 444398-99 | Recompletion | Exxon Corp. | Feb 5, 1996 | Feb 5, 1996 | — | 3,379 |
| 227160-99 | Drill | Exxon Corp. | Dec 19, 1983 | Jan 13, 1984 | Feb 5, 1984 | 3,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 23, 1996 | Fort Stockton Unit O-10-18342 | Fort Stockton | Double Barrel Oil LLC | Producing | 3,379 |
| Feb 23, 1996 | Fort Stockton Unit O-10-18044 | Fort Stockton (Yates Lower) | Cliffwood Production Co. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,821 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| UP Yates | 2,739 | 82 |
| LO Yates | 3,017 | -196 |
| Reef | 3,241 | -420 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,952 | 2,990 | Perforated |
| 3,023 | 3,238 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 555 | 12.25 | 375 S |
| 4.5 | 3,377 | 7.875 | 705 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jul 15, 1997 | May 23, 1996 | — |
| 00 | Dec 4, 1996 | May 23, 1996 | — |
| 00 | Jun 12, 1984 | Apr 30, 1984 | — |
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 42-371-34634 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-34634 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
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/37134634, documented in the API reference.