WELL · 42-165-31834 · DISTRICT 8
West Seminole SA Unit #621
Gaines County · Vertical
West Seminole SA Unit #621 (API 42-165-31834) is a disposal or injection well in Gaines County operated by Oxy USA Wtp LP under an active UIC permit.
The RRC has issued 2 drilling permits between 1980 and 2023, permitted to 6,000 ft.
Completion filings report 8 formation tops, including Yates, Seven Rivers, Queen, Grayburg.
Its 2 leases have reported 18.2M barrels of oil and 56.3M mcf of gas since January 1993, last reporting in July 2026. The leases carry 227 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit; TexNet located 0 M2+ earthquakes within 10 km over the last two years.
Operator of record
Houston, TX · P-5 Y, filed Sep 4, 2025 · 2,289 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | OXY USA WTP LPthrough Apr 2026 |
| Latest permit | OXY USA WTP LPJan 12, 2023 |
- 6,000
- total depth, ft
- 2
- permits on file
- Jan 12, 2023
- last permit issued
- —
- completed
- 18.2M
- cumulative oil, bbl
- 56.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
32.765564, -102.826633
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Gaines County.
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 227 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| West Seminole San Andres Unit G-11-218516 | Seminole, West | OXY USA WTP LP | 1 | 0 | 533K | Jul 2006 – Jul 2026 |
| West Seminole SA Unit O-11-17310 | Seminole, West | OXY USA WTP LP | 226 | 18.2M | 55.7M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,315,451 · prior 12 1,395,720(-6%)
Gas, mcf lease total
Last 12 months 3,364,915 · prior 12 3,848,328(-13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1OXY USA Inc.Jan 1993 → Dec 2000
- 2OXY USA WTP LPJan 2001 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 887194-99 | Recompletion | OXY USA WTP LP | Jan 11, 2023 | Jan 12, 2023 | — | 6,000 |
| 89366-99 | Drill | Cities Service Company | Jul 28, 1980 | Jul 28, 1980 | Oct 27, 1980 | 5,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-11-218516 | — | — | — | — |
| — | — O-11-17310 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,454 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,900 | 554 |
| Yates | 3,115 | 339 |
| Seven Rivers | 3,550 | -96 |
| Queen | 4,220 | -766 |
| Grayburg | 4,301 | -847 |
| San Andres | 4,603 | -1,149 |
| San Andres | 4,723 | -1,269 |
| Clear ForkCLEARFORK | — | — |
| Glorieta | — | — |
| San Angelo | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,910 | 5,048 | Perforated |
| 5,034 | 5,175 | Perforated |
| 5,053 | 5,175 | Perforated |
| 5,092 | 5,176 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,000 | 12.25 | 1,000 S |
| 2.875 | 5,061 | — | — |
| 5.5 | 5,204 | 7.875 | 1,400 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 25, 2023 | Apr 17, 2023 | — |
| 00 | Nov 21, 2022 | Jul 10, 2022 | — |
| 00 | Jun 26, 2015 | Jun 15, 2015 | — |
| 00 | Jan 10, 2007 | Aug 15, 2006 | Yes |
| 00 | Aug 29, 2006 | — | — |
| 00 | Aug 8, 1996 | Feb 22, 1996 | — |
| 00 | Jun 7, 1994 | May 25, 1994 | — |
| 00 | Jan 12, 1984 | Dec 19, 1980 | — |
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 42-165-31834 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-165-31834 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
West Seminole SA Unit42-165-31833
0.3 KM · OXY USA WTP LP · Section with this well →
| Rustler | 2,016 | 1,443 |
| Grayburg | 4,317 | -858 |
| San Andres | 4,609 | -1,150 |
West Seminole SA Unit42-165-31836
0.3 KM · OXY USA WTP LP · Section with this well →
| Rustler | 2,020 | 1,431 |
| Grayburg | 4,294 | -843 |
| San Andres | 4,599 | -1,148 |
West Seminole SA Unit42-165-00663
0.5 KM · OXY USA WTP LP · Section with this well →
| Rustler | 2,013 | |
| Queen | 3,878 | |
| San Andres | 4,601 |
West Seminole SA Unit42-165-34144
0.6 KM · OXY USA WTP LP · Section with this well →
| Tansill | 3,012 | 442 |
| Yates | 3,125 | 329 |
| Yates | 3,246 | 208 |
| Seven Rivers | 3,490 | -36 |
| Queen | 4,046 | -592 |
| Grayburg | 4,336 | -882 |
| San Andres | 4,602 | -1,148 |
| San Andres | 5,093 | -1,639 |
14 TOPS · FIRST 8
West Seminole SA Unit42-165-31743
0.6 KM · OXY USA WTP LP · Section with this well →
| Rustler | 2,056 | 1,391 |
| Queen | 3,906 | -459 |
| Grayburg | 4,324 | -877 |
| San Andres | 4,585 | -1,138 |
West Seminole SA Unit42-165-31630
0.7 KM · OXY USA WTP LP · Section with this well →
| San Andres | 4,576 | -1,157 |
West Seminole SA Unit42-165-31832
0.7 KM · OXY USA WTP LP · Section with this well →
| Rustler | 2,145 | 1,299 |
| Yates | 3,245 | 199 |
| San Andres | 4,587 | -1,143 |
West Seminole SA Unit42-165-31984
0.7 KM · OXY USA WTP LP · Section with this well →
| Rustler | 2,012 | 1,438 |
| Queen | 3,871 | -421 |
| Grayburg | 4,336 | -886 |
| San Andres | 4,600 | -1,150 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 5.11M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000112374 | H-1 Injection | Active | 10,000 | 2,400 | 4,800–6,000 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
TexNet catalog via USGS
Seismicity near this well
- 0
- M2+ events within 10 km, last 2 years
- —
- largest
A proximity count, not an attribution. How to read 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/16531834, documented in the API reference.