WELL · 42-389-37169 · DISTRICT 8

Toyah West 4-9 #82NH

N

Reeves County · Wolfbone (Trend Area) field  · Horizontal

Toyah West 4-9 #82NH (API 42-389-37169) is a horizontal well in Reeves County operated by Oxy USA Wtp LP, completed September 26, 2018.

The RRC has issued one drilling permit, issued May 23, 2018, permitted to 14,000 ft.

Completion filings report 8 formation tops, including Castile, Permian (undifferentiated), Bell Canyon, Delaware.

Its 2 leases have reported 1.48M barrels of oil and 3.47M mcf of gas since June 2017, last reporting in July 2026. The leases carry 14 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit; TexNet located 27 M2+ earthquakes within 10 km over the last two years.

Operator of record

OXY USA WTP LP

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 scheduleOXY USA WTP LP
Production reportsPermian Resources Operating, LLCthrough Apr 2026
Latest permitOXY USA WTP LPMay 23, 2018

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

14,000
total depth, ft
1
permits on file
May 23, 2018
last permit issued
Sep 26, 2018
completed
1.48M
cumulative oil, bbl
3.47M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 26, 2018
Shut in
—
Plugged
—

Surface location

31.273422, -103.433044

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Reeves 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 14 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Toyah 4-9 Pilot Unit O-10-57650Wolfbone (Trend Area)Permian Resources Operating, LLC10364K1.35MOct 2022 – Jul 2026
Toyah West 4-9 O-10-48938Wolfbone (Trend Area)OXY USA WTP LP41.11M2.12MJun 2017 – Mar 2023

Oil, barrels lease total

Last 12 months 87,678 · prior 12 93,708(-6%)

010K20K202420252026

Gas, mcf lease total

Last 12 months 268,401 · prior 12 327,699(-18%)

050K100K150K202420252026

Chain of custody

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

  1. 1OXY USA WTP LPJun 2017 → Oct 2024
  2. 2Permian Resources Operating, LLCNov 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
840272-99DrillOXY USA WTP LPMay 21, 2018May 23, 2018Jun 24, 201814,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-48938————
—— O-10-57650————
—— O-10-57650————

Formation tops

As filed on W-2/G-1. Subsea from 2,614 ft elevation.Download CSV →

FormationMD ftSubsea
CastileCASTILLE9581,656
Permian (undifferentiated)PERMIAN9581,656
Bell Canyon4,981-2,367
Delaware4,981-2,367
DelawareDELAWARE CONSOLIDATED GAS5,004-2,390
DelawareFORD-DELAWARE5,101-2,487
Cherry Canyon5,951-3,337
Bone SpringBONE SPRINGS8,084-5,470
Wolfcamp10,345-7,731
Pennsylvanian——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
10,32220,515Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,48516935 S
9.62510,13212.251,555 S
710,1448.52,605 S
5.520,6958.52,605 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
00Jul 14, 2023Jun 1, 2023—
00Oct 18, 2022Jan 17, 2019Yes
00May 3, 2019Jan 17, 2019Yes

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) 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.

Open the cross-section →

Toyah East 4-942-389-37170

0.0 KM · OXY USA WTP LP · Section with this well →

Castile9581,656
Permian (undifferentiated)9581,656
Bell Canyon4,983-2,369
Delaware4,983-2,369
Delaware5,010-2,396
Delaware5,112-2,498
Cherry Canyon5,958-3,344
Bone Spring8,078-5,464

11 TOPS · FIRST 8

Toyah 4-9-7N42-389-37172

0.2 KM · OXY USA WTP LP · Section with this well →

Permian (undifferentiated)9581,656
Castile9581,656
Bell Canyon4,985-2,371
Delaware4,985-2,371
Delaware5,025-2,411
Delaware5,097-2,483
Cherry Canyon5,956-3,342
Bone Spring8,070-5,456

14 TOPS · FIRST 8

Toyah 4-9-4N42-389-37171

0.3 KM · OXY USA WTP LP · Section with this well →

Permian (undifferentiated)9581,656
Castile9581,656
Delaware4,988-2,374
Bell Canyon4,988-2,374
Delaware5,025-2,411
Delaware5,110-2,496
Cherry Canyon5,952-3,338
Bone Spring8,089-5,475

10 TOPS · FIRST 8

Toyah 4-9-5N42-389-36985

0.7 KM · OXY USA WTP LP · Section with this well →

Castile8311,783
Permian (undifferentiated)8311,783
Delaware5,005-2,391
Bell Canyon5,005-2,391
Delaware5,048-2,434
Delaware5,124-2,510
Cherry Canyon5,965-3,351
Bone Spring8,094-5,480

10 TOPS · FIRST 8

Hold MY Fosters B 1042-389-41502

1.4 KM · Greenlake Energy Operating, LLC · Section with this well →

Bell Canyon4,994-2,382
Cherry Canyon5,941-3,329
Brushy Canyon7,064-4,452
Bone Spring8,038-5,426
Bone Spring9,675-7,063
Delaware—
Delaware—
Delaware—

10 TOPS · FIRST 8

Hold MY Fosters 1042-389-41501

1.4 KM · Greenlake Energy Operating, LLC · Section with this well →

Bell Canyon5,000-2,389
Cherry Canyon5,949-3,338
Brushy Canyon7,075-4,464
Bone Spring8,044-5,433
Bone Spring9,685-7,074
Delaware—
Permian (undifferentiated)—
Delaware—

10 TOPS · FIRST 8

Apollo 2-11-1N42-389-38079

2.6 KM · OXY USA WTP LP · Section with this well →

Castile1,750869
Permian (undifferentiated)1,750869
Bell Canyon5,057-2,438
Delaware5,057-2,438
Delaware5,111-2,492
Cherry Canyon6,006-3,387
Bone Spring8,125-5,506
Wolfcamp—

10 TOPS · FIRST 8

Apollo 2-11-2N42-389-38081

2.7 KM · OXY USA WTP LP · Section with this well →

Castile1,750869
Permian (undifferentiated)1,750869
Bell Canyon5,044-2,425
Delaware5,044-2,425
Delaware5,112-2,493
Cherry Canyon5,999-3,380
Bone Spring8,119-5,500
Wolfcamp10,515-7,896

10 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
0
bbl, all reported
Apr 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000125651H-1 InjectionActive10,0003,7009,887–10,727

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

27
M2+ events within 10 km, last 2 years
M3.0
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/38937169, documented in the API reference.