WELL · 42-165-30431 · DISTRICT 8
Denver Unit #8531
Gaines County · Wasson field · Horizontal
Denver Unit #8531 (API 42-165-30431) is a former disposal or injection well in Gaines County, last operated by Occidental Permian Ltd.; its UIC permit is no longer active.
The RRC has issued 2 drilling permits between 2014 and 2026, permitted to 5,800 ft.
Completion filings report 3 formation tops, including Yates, Queen, San Andres.
Its lease has reported 352M barrels of oil and 1.17B mcf of gas since January 1993, last reporting in July 2026. The lease carries 2,471 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Dec 4, 2025 · 6,251 permits on file · (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.Sep 24, 2026 |
- 5,800
- total depth, ft
- 2
- permits on file
- Sep 24, 2026
- last permit issued
- —
- completed
- 352M
- cumulative oil, bbl
- 1.17B
- 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
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 2,471 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Denver Unit O-11-18910 | Wasson | Occidental Permian Ltd. | 2,471 | 352M | 1.17B | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 6,889,269 · prior 12 7,061,574(-2%)
Gas, mcf lease total
Last 12 months 9,464,854 · prior 12 11,150,167(-15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Shell Western E&P Inc.Jan 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 |
|---|---|---|---|---|---|---|
| 918843-99 | Recompletion | Occidental Permian Ltd. | Sep 21, 2026 | Sep 24, 2026 | — | 5,500 |
| 793982-99 | Recompletion | Occidental Permian Ltd. | Aug 12, 2014 | Sep 3, 2014 | Jan 28, 2016 | 5,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-18910 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,533 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,800 | 733 |
| Queen | 4,000 | -467 |
| San Andres | 4,200 | -667 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,786 | 5,088 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 417 | 11 | 300 S |
| 5.5 | 5,093 | 7.875 | 1,900 S |
| 5.5 | 5,100 | 7.875 | 1,900 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 13, 2016 | Apr 8, 2016 | Yes |
| 00 | Jul 17, 1984 | Jun 25, 1984 | — |
| 00 | Jul 14, 1984 | Jun 25, 1984 | — |
| 00 | Jan 12, 1984 | Feb 5, 1975 | — |
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 42-165-30431 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-165-30431 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 325K
- bbl, last 12 reported months
- 325K
- bbl, all reported
- Nov 1983
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000029074 | H-1 Injection | Canceled Mar 1, 1985 | 0 | 0 | 0–0 |
MONTHLY INJECTED, BBL · H-10 · LAST 11 REPORTED MONTHS
Last 12 months 325,137
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/16530431, documented in the API reference.