WELL · 42-219-01808 · DISTRICT 8
West Sundown Unit #85
Hockley County · Slaughter field · Producing · Vertical
West Sundown Unit #85 (API 42-219-01808) is a well in Hockley County operated by Hilcorp Energy Company, completed March 1, 2023 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 23, 2016, permitted to 5,150 ft.
It was permitted by Oxy USA Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including Tansill, Yates, San Andres.
Its 2 leases have reported 9.63M barrels of oil and 5.81M mcf of gas since January 1993, last reporting in July 2026. The leases carry 282 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by OXY USA Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | OXY USA Inc. |
| Production reports | OXY USA Inc.through Apr 2026 |
| Latest permit | OXY USA Inc.Jun 23, 2016 |
- 5,150
- total depth, ft
- 1
- permits on file
- Jun 23, 2016
- last permit issued
- Mar 1, 2023
- completed
- 9.63M
- cumulative oil, bbl
- 5.81M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 1, 2023
- Shut in
- —
- 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 2 leases this well is completed on; they carry 282 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| West Sundown Unit O-11-70442 | Slaughter | OXY USA EOR, LLC | 240 | 6.39M | 4.65M | May 2016 – Jul 2026 |
| Slaughter, S. A. "B" O-11-6014 | Slaughter | OXY USA Inc. | 42 | 3.23M | 1.16M | Jan 1993 – Aug 2016 |
Oil, barrels lease total
Last 12 months 891,436 · prior 12 936,792(-5%)
Gas, mcf lease total
Last 12 months 535,070 · prior 12 832,821(-36%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Bass Enterprises Production Co.Jan 1993 → Dec 2006
- 2Bepco, L.P.Jan 2007 → Nov 2008
- 3Bopco, L.P.Dec 2008 → Mar 2011
- 4OXY USA Inc.Apr 2011 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 815821-99 | Recompletion | OXY USA Inc. | May 20, 2016 | Jun 23, 2016 | Jul 22, 2016 | 5,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 1, 2023 | West Sundown Unit O-11-70442 | Slaughter | Hilcorp Energy Company | Producing | 5,150 |
| — | Slaughter S. A. B O-11-6014 | Slaughter | OXY USA Inc. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,555 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Tansill | 2,669 | 886 |
| Yates | 2,763 | 792 |
| San Andres | 4,965 | -1,410 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,880 | 5,010 | Open hole |
| 4,880 | 5,150 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 309 | 13.75 | 175 S |
| 7 | 4,880 | 8.75 | 275 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 | May 8, 2024 | Dec 11, 2023 | — |
| 00 | Aug 19, 2016 | Aug 17, 2016 | Yes |
| 00 | May 5, 2016 | — | — |
| 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 42-219-01808 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-219-01808 → 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/21901808, documented in the API reference.