WELL · 42-219-37436 · DISTRICT 8

West Sundown Unit #241

Y

Hockley County · Slaughter field · Injection  · Directional

West Sundown Unit #241 (API 42-219-37436) is a well in Hockley County operated by Oxy USA Eor LLC, completed November 26, 2018 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued May 24, 2018, permitted to 5,700 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.

It holds an active disposal or injection permit; TexNet located 0 M2+ earthquakes within 10 km over the last two years.

Operator of record

OXY USA EOR LLC

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 scheduleOXY USA EOR LLC
Production reportsOXY USA Inc.through Apr 2026
Latest permitOXY USA Inc.May 24, 2018

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

5,700
total depth, ft
1
permits on file
May 24, 2018
last permit issued
Nov 26, 2018
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
Nov 26, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

33.477108, -102.476011

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
West Sundown Unit O-11-70442SlaughterOXY USA EOR, LLC2406.39M4.65MMay 2016 – Jul 2026

Oil, barrels lease total

Last 12 months 891,436 · prior 12 936,792(-5%)

050K100K202420252026

Gas, mcf lease total

Last 12 months 535,070 · prior 12 832,821(-36%)

050K100K150K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1OXY USA Inc.May 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
840461-99DrillOXY USA Inc.May 24, 2018May 24, 2018Nov 14, 20185,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-70442————

Formation tops

As filed on W-2/G-1. Subsea from 3,532 ft elevation.Download CSV →

FormationMD ftSubsea
Santa RosaRED BED-SANTA ROSA1,3952,137
YatesYATES - OVERPRESSURE, INERT GAS2,766766
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,035-503
Abo——
Canyon——
Cisco——
Clear ForkCLEARFORK——
Strawn——
Wichita-AlbanyWICHITA ALBANY——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
4,8585,019Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,18212.25915 S
5.55,1047.8751,015 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Mar 7, 2019Jan 9, 2019—

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.

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.

Open the cross-section →

West RKM Unit42-219-37455

0.4 KM · Occidental Permian Ltd. · Section with this well →

Santa Rosa1,2322,303
Yates2,762773
San Andres4,029-494
Canyon—
Abo—
Strawn—
Clear Fork—
Cisco—

10 TOPS · FIRST 8

West Sundown Unit42-219-37430

0.5 KM · OXY USA Inc. · Section with this well →

Santa Rosa1,2812,250
Yates2,777754
San Andres4,045-514
Clear Fork—
Abo—
Canyon—
Cisco—
Strawn—

10 TOPS · FIRST 8

West Sundown Unit42-219-37459

0.6 KM · OXY USA Inc. · Section with this well →

Santa Rosa1,3092,220
Yates2,762767
San Andres4,030-501
Strawn—
Cisco—
Canyon—
Abo—
Clear Fork—

10 TOPS · FIRST 8

West Sundown Unit42-219-37431

0.7 KM · OXY USA Inc. · Section with this well →

Santa Rosa1,3062,221
Yates2,771756
San Andres4,035-508
Abo—
Canyon—
Cisco—
Clear Fork—
Strawn—

10 TOPS · FIRST 8

West RKM Unit42-219-37454

0.8 KM · Occidental Permian Ltd. · Section with this well →

Santa Rosa1,2092,332
Yates2,764777
San Andres4,037-496
Strawn—
Abo—
Wolfcamp—
Wichita-Albany—
Canyon—

10 TOPS · FIRST 8

West Sundown Unit42-219-37432

0.9 KM · OXY USA Inc. · Section with this well →

Salado2,2781,277
Yates2,813742
San Andres4,076-521
Wichita-Albany—
Santa Rosa—
Clear Fork—
Cisco—
Canyon—

10 TOPS · FIRST 8

West Sundown Unit42-219-37433

1.0 KM · OXY USA Inc. · Section with this well →

Santa Rosa1,3492,180
Yates2,782747
San Andres4,019-490
Strawn—
Wolfcamp—
Clear Fork—
Cisco—
Canyon—

10 TOPS · FIRST 8

West Sundown Unit42-219-37437

1.2 KM · OXY USA Inc. · Section with this well →

Santa Rosa1,3562,201
Yates2,771786
San Andres4,068-511
Wichita-Albany—
Strawn—
Abo—
Clear Fork—
Cisco—

10 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
26.3K
bbl, all reported
Dec 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000116863H-1 InjectionActive5,0002,3004,600–5,600

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 0 · prior 12 0

0120242025

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/21937436, documented in the API reference.