WELL · 42-219-37479 · DISTRICT 8
West Sundown Unit #230H
Hockley County · Slaughter field · Producing · Horizontal
West Sundown Unit #230H (API 42-219-37479) is a horizontal well in Hockley County operated by Oxy USA Eor LLC, completed June 19, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 3, 2019, permitted to 5,900 ft.
It was permitted by Oxy USA Inc. and has since transferred to Oxy USA Eor LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Santa Rosa, Yates, San Andres, Abo.
Its lease has reported 6.39M barrels of oil and 4.65M mcf of gas since May 2016, last reporting in July 2026. The lease carries 240 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.
Houston, TX · P-5 Y, filed Dec 22, 2025 · 1 permits on file · (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | OXY USA EOR LLC |
| Production reports | OXY USA Inc.through Apr 2026 |
| Latest permit | OXY USA Inc.Apr 3, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,900
- total depth, ft
- 1
- permits on file
- Apr 3, 2019
- last permit issued
- Jun 19, 2019
- completed
- 6.39M
- cumulative oil, bbl
- 4.65M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2016 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 19, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
33.457586, -102.502778
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Hockley County.
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 240 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 |
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.
- 1OXY USA Inc.May 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 850318-99 | Drill | OXY USA Inc. | Feb 22, 2019 | Apr 3, 2019 | Jun 6, 2019 | 5,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-70442 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,560 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaRED BED-SANTA ROSA | 1,370 | 2,190 |
| YatesYATES - OVERPRESSURE, INERT GAS | 2,833 | 727 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,988 | -1,428 |
| Abo | — | — |
| Canyon | — | — |
| Cisco | — | — |
| Clear ForkCLEARFORK | — | — |
| Strawn | — | — |
| Wichita-AlbanyWICHITA ALBANY | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,088 | 8,182 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,238 | 13.5 | 1,070 S |
| 7 | 7,073 | 8.5 | 1,420 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 | Mar 9, 2020 | Sep 11, 2019 | 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 42-219-37479 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-219-37479 → 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.
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.
Sundown Slaughter Unit42-219-02985
1.3 KM · Sabinal Energy Operating, LLC · Section with this well →
| Red Beds | 778 | 2,808 |
| Santa Rosa | 778 | 2,808 |
| Yates | 1,900 | 1,686 |
| Yates | 1,900 | 1,686 |
| San Andres | 4,889 | -1,303 |
| San Andres | 4,889 | -1,303 |
| Wolfcamp | — | |
| Abo | — |
13 TOPS · FIRST 8
Sundown Slaughter Unit42-219-02994
1.3 KM · Sabinal Energy Operating, LLC · Section with this well →
| Rustler | 2,200 | 1,366 |
| Yates | 2,820 | 746 |
| San Andres | 4,122 | -556 |
Sundown Slaughter Unit42-219-37551
1.7 KM · Sabinal Energy Operating, LLC · Section with this well →
| Santa Rosa | 882 | 2,661 |
| Yates | 2,800 | 743 |
| San Andres | 4,068 | -525 |
| Abo | — | |
| Canyon | — | |
| Cisco | — | |
| Clear Fork | — | |
| Strawn | — |
10 TOPS · FIRST 8
West Sundown Unit42-219-37460
1.8 KM · OXY USA Inc. · Section with this well →
| Santa Rosa | 1,380 | 2,169 |
| Yates | 2,830 | 719 |
| San Andres | 4,088 | -539 |
| Clear Fork | — | |
| Canyon | — | |
| Abo | — | |
| Cisco | — | |
| Strawn | — |
10 TOPS · FIRST 8
West Sundown Unit42-219-37461
1.8 KM · OXY USA Inc. · Section with this well →
| Santa Rosa | 400 | 3,149 |
| Yates | 2,830 | 719 |
| San Andres | 4,088 | -539 |
| Canyon | — | |
| Abo | — | |
| Cisco | — | |
| Clear Fork | — | |
| Strawn | — |
10 TOPS · FIRST 8
West Sundown Unit42-219-37462
1.8 KM · OXY USA Inc. · Section with this well →
| Santa Rosa | 2,093 | 1,456 |
| Yates | 2,782 | 767 |
| San Andres | 4,954 | -1,405 |
| Strawn | — | |
| Cisco | — | |
| Canyon | — | |
| Wichita-Albany | — | |
| Clear Fork | — |
10 TOPS · FIRST 8
West Sundown Unit42-219-37463
1.8 KM · OXY USA Inc. · Section with this well →
| Santa Rosa | 1,406 | 2,142 |
| Yates | 2,844 | 704 |
| San Andres | 4,103 | -555 |
| Strawn | — | |
| Abo | — | |
| Canyon | — | |
| Cisco | — | |
| Clear Fork | — |
10 TOPS · FIRST 8
West Sundown Unit42-219-37438
2.0 KM · OXY USA Inc. · Section with this well →
| Santa Rosa | 378 | 3,168 |
| Yates | 2,804 | 742 |
| San Andres | 4,065 | -519 |
| Abo | — | |
| Canyon | — | |
| Clear Fork | — | |
| Strawn | — | |
| Wichita-Albany | — |
10 TOPS · FIRST 8
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/21937479, documented in the API reference.