WELL · 42-135-41237 · DISTRICT 8
West Grayburg Unit #38
Ector County · Cowden South field · Shut IN · Directional
West Grayburg Unit #38 (API 42-135-41237) is a well in Ector County operated by Occidental Permian Ltd., completed December 12, 2011 and listed as shut in on the RRC schedule, shut in February 1, 2014.
The RRC has issued one drilling permit, issued June 22, 2011, permitted to 4,294 ft.
Completion filings report 3 formation tops, including Rustler, Tansil, Grayburg.
Its lease has reported 951K barrels of oil and 257K mcf of gas since January 1993, last reporting in July 2026. The lease carries 41 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 2, 2026
- Permits on file
- 6,251
- Phone
- (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Occidental Permian Ltd. |
| Production reports | Occidental Permian Ltd.through Apr 2026 |
| Latest permit | Occidental Permian Ltd.Jun 22, 2011 |
- 4,294
- total depth, ft
- 1
- permits on file
- Jun 22, 2011
- last permit issued
- Dec 12, 2011
- completed
- 951K
- cumulative oil, bbl
- 257K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 12, 2011
- Shut in
- Feb 1, 2014
- 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; they carry 41 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| West Grayburg Unit O-10-20416 | Cowden, South | Occidental Permian Ltd. | 41 | 951K | 257K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 11,559 · prior 12 10,390(+11%)
Gas, mcf lease total
Last 12 months 3,639 · prior 12 6,908(-47%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Amoco Production CompanyJan 1993 → Feb 1997
- 2Altura Energy Ltd.Mar 1997 → Apr 2000
- 3Occidental Permian Ltd.May 2000 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 718458-99 | Drill | Occidental Permian Ltd. | Jun 15, 2011 | Jun 22, 2011 | Nov 7, 2011 | 4,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 12, 2011 | West Grayburg Unit O-10-20416 | Cowden South | Occidental Permian Ltd. | Shut IN · shut in Feb 1, 2014 | 4,294 |
Formation tops
As filed on W-2/G-1. Subsea from 2,972 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,895 | 3,920 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,560 | 12.25 | 1,130 S |
| 5.5 | 4,318 | 7.875 | 750 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 | Aug 26, 2013 | Oct 31, 2012 | Yes |
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 42-135-41237 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-41237 → 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/13541237, documented in the API reference.