TEXAS · WELLS · YOAKUM COUNTY · API 42-501-33572 · DISTRICT 7B
West San Andres Unit #40
Yoakum County · Platang (San Andres) field · Vertical
West San Andres Unit #40 (API 42-501-33572) is a plugged well in Yoakum County, plugged March 24, 2026, last operated by Riley Permian Operating CO LLC.
The RRC has issued one drilling permit, issued June 19, 1990, permitted to 5,400 ft.
It was permitted by Greenhill Petroleum Corporation and has since transferred to Riley Permian Operating CO LLC on the wellbore schedule.
Completion filings report one formation top, including San Andres.
Its 2 leases have reported 1.21M barrels of oil and 1.97M mcf of gas since January 1993, last reporting in July 2026. The leases carry 60 wells, so these are lease totals, not this well alone.
Operator of record
Riley Permian Operating Co LLC
Permitted by Greenhill Petroleum Corporation; the EWA schedule now lists a different operator.
- Based in
- Oklahoma City, OK
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 16, 2026
- Permits on file
- 295
- Phone
- (405) 415-8699
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Riley Permian Operating Co LLC |
| Production reports | Riley Permian Operating Co, LLCthrough Apr 2026 |
| Latest permit | Greenhill Petroleum CorporationJun 19, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,400
- total depth, ft
- 1
- permits on file
- Jun 19, 1990
- last permit issued
- Apr 27, 1993
- completed
- 1.21M
- cumulative oil, bbl
- 1.97M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 27, 1993
- Shut in
- —
- Plugged
- Mar 24, 2026
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 60 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| West San Andres Unit O-11-71205 | Platang (San Andres) | Riley Permian Operating Co, LLC | 19 | 722K | 1.79M | Dec 2021 – Jul 2026 |
| West San Andres Unit O-11-60392 | West | Riley Permian Operating Co, LLC | 41 | 485K | 177K | Jan 1993 – May 2022 |
Oil, barrels lease total
Last 12 months 127,375 · prior 12 179,046(-29%)
Gas, mcf lease total
Last 12 months 498,696 · prior 12 569,046(-12%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Greenhill Petroleum CorporationJan 1993 → Nov 1997
- 2Titan Resources I, Inc.Dec 1997 → May 2000
- 3Pure Resources, L.P.Jun 2000 → Oct 2000
- 4Permian Resources, Inc.Nov 2000 → Sep 2003
- 5OK Arena Operating CompanyOct 2003 → May 2007
- 6Thompson, J. CleoJul 2007 → Jul 2019
- 7Riley Permian Operating Co, LLCAug 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 374497-99 | Drill | Greenhill Petroleum Corporation | Jun 14, 1990 | Jun 19, 1990 | — | 5,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 27, 1993 | West San Andres Unit O-11-60392 | West | Riley Permian Operating Co LLC | Plugged | — |
| Apr 27, 1993 | West San Andres Unit O-11-71205 | Platang (San Andres) | Riley Permian Operating Co LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,660 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 5,170 | -1,510 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,171 | 5,286 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 434 | 12.25 | 275 S |
| 8.625 | 437 | 12.25 | 275 S |
| 5.5 | 5,360 | 7.875 | 250 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 | Apr 8, 2022 | May 4, 1993 | — |
| 00 | May 13, 1993 | May 4, 1993 | — |
| 00 | Jan 18, 1991 | Oct 12, 1990 | Yes |
| 00 | Dec 12, 1990 | — | — |
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 42-501-33572 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-501-33572 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/50133572, documented in the API reference.