TEXAS · WELLS · WINKLER COUNTY · SOUTH KEYSTONE /ELLEN/ UNIT LEASE · API 42-495-01275 · DISTRICT 7B
South Keystone /Ellen/ Unit #1121
Winkler County · Keystone (Ellenburger) field · Vertical
South Keystone /Ellen/ Unit #1121 (API 42-495-01275) is a plugged well in Winkler County, plugged January 29, 2019, last operated by Basin Oil & Gas Operating LLC.
The RRC has issued one drilling permit, issued August 17, 2006, permitted to 10,100 ft.
It was permitted by Devon Energy Production CO, L.P. and has since transferred to Basin Oil & Gas Operating LLC on the wellbore schedule.
Its lease has reported 1.61M barrels of oil and 13.6M mcf of gas since January 1993, last reporting in July 2026. The lease carries 38 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 21, 2026
- Permits on file
- 150
- Phone
- (817) 820-8910
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Devon Energy Production Co, L.P.through Mar 2016 |
| Latest permit | Devon Energy Production Co, L.P.Aug 17, 2006 |
- 10,100
- total depth, ft
- 1
- permits on file
- Aug 17, 2006
- last permit issued
- Dec 1, 1972
- completed
- 1.61M
- cumulative oil, bbl
- 13.6M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 1, 1972
- Shut in
- —
- Plugged
- Jan 29, 2019
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; they carry 38 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| South Keystone /Ellen/ Unit O-10-22615 | Keystone (Ellenburger) | Basin Oil & Gas Operating, LLC | 38 | 1.61M | 13.6M | Jan 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pennzoil Petroleum CompanyJan 1993 → Jan 1995
- 2Pennzoil Exploration & Prod. Co.Feb 1995 → Feb 1999
- 3Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 4Devon Energy Production Co, L.P.Apr 2000 → Dec 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 624531-99 | Recompletion | Devon Energy Production Co, L.P. | Aug 17, 2006 | Aug 17, 2006 | — | 10,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 1, 1972 | South Keystone /Ellen/ Unit O-10-22615 | Keystone (Ellenburger) | Basin Oil & Gas Operating LLC | Plugged | — |
| — | Keystone Cattle Co. O-10-3364 | Keystone (Ellenburger) | Gulf Oil Corp. | Plugged | — |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 232 | — | — |
| 2.375 | 5,951 | — | — |
| 7 | 9,625 | — | — |
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 | Jan 12, 1984 | Feb 26, 1963 | — |
| 00 | Jan 12, 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 42-495-01275 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-01275 → 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/49501275, documented in the API reference.