WELL · 42-301-37128 · DISTRICT 8

Mammoth 54-1-18-19 O #23HR

Y

Loving County · Phantom (Wolfcamp) field · Producing  · Horizontal

Mammoth 54-1-18-19 O #23HR (API 42-301-37128) is a horizontal well in Loving County operated by Anadarko E&P Onshore LLC, completed January 5, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 11, 2024, permitted to 11,977 ft.

Completion filings report 8 formation tops, including Delaware, Bell Canyon, Cherry Canyon, Brushy Canyon.

No lease production has been reported under this well’s leases.

Operator of record

Anadarko E&P Onshore LLC

Houston, TX · P-5 Y, filed Sep 4, 2025 · 4,574 permits on file · (713) 215-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAnadarko E&P Onshore LLC
Production reportsAnadarko E&P Onshore LLCthrough Apr 2026
Latest permitAnadarko E&P Onshore LLCOct 11, 2024
11,977
total depth, ft
1
permits on file
Oct 11, 2024
last permit issued
Jan 5, 2025
completed
0
cumulative oil, bbl
1.77M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 5, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.966712, -103.688671

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Loving 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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Mammoth 54-1-18-19 O G-10-299740Phantom (Wolfcamp)Anadarko E&P Onshore LLC101.77MJan 2025 – Jul 2026

Gas, mcf lease total

Last 12 months 1,092,390 · prior 12 679,704(+61%)

0100K200K202420252026

Chain of custody

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

  1. 1Anadarko E&P Onshore LLCJan 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
903166-99DrillAnadarko E&P Onshore LLCOct 9, 2024Oct 11, 2024Oct 18, 202411,977

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-299740————

Formation tops

As filed on W-2/G-1. Subsea from 3,056 ft elevation.Download CSV →

FormationMD ftSubsea
Delaware4,243-1,187
Bell Canyon4,267-1,211
Cherry Canyon5,245-2,189
Brushy Canyon6,523-3,467
Bone Spring9,276-6,220
Bone Spring2ND BONE SPRING9,585-6,529
Bone Spring3RD BONE SPRING10,463-7,407
Wolfcamp11,450-8,394
Pennsylvanian——
Red Bluff——

Perforations

Perforated and open-hole intervals.

FromToType
12,58222,228Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,98017.52,080 S
10.754,14512.25568 S
7.82512,0069.8751,816 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
00Aug 19, 2025Jul 2, 2025Yes

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 →

Mammoth 54-1-18-19 P42-301-36950

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon4,259-1,203
Delaware4,259-1,203
Cherry Canyon5,243-2,187
Brushy Canyon6,744-3,688
Bone Spring8,409-5,353
Wolfcamp11,468-8,412
Atoka—
Pennsylvanian—

10 TOPS · FIRST 8

Mammoth 54-1-18-19 N42-301-36948

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Delaware4,257-1,201
Bell Canyon4,257-1,201
Cherry Canyon5,241-2,185
Brushy Canyon6,742-3,686
Bone Spring8,402-5,346
Wolfcamp11,460-8,404
Atoka—
Strawn—

10 TOPS · FIRST 8

Sierra State 54-1-7-6 H42-301-36657

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon4,257-1,196
Delaware4,257-1,196
Cherry Canyon5,231-2,170
Brushy Canyon6,618-3,557
Bone Spring8,382-5,321
Wolfcamp11,453-8,392
Pennsylvanian—
Red Bluff—

10 TOPS · FIRST 8

Sierra State 54-1-7-6 F42-301-36655

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon4,264-1,202
Delaware4,264-1,202
Cherry Canyon5,235-2,173
Brushy Canyon6,612-3,550
Bone Spring8,363-5,301
Bone Spring9,584-6,522
Bone Spring10,412-7,350
Wolfcamp11,447-8,385

10 TOPS · FIRST 8

Mammoth 54-1-18-19 W42-301-37374

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon4,252-1,196
Delaware4,252-1,196
Cherry Canyon5,243-2,187
Brushy Canyon6,722-3,666
Bone Spring8,390-5,334
Bone Spring9,594-6,538
Bone Spring10,457-7,401
Pennsylvanian—

10 TOPS · FIRST 8

Sierra State 54-1-7-6 E42-301-36654

0.0 KM · Anadarko E&P Onshore LLC · Section with this well →

Bell Canyon4,262-1,200
Delaware4,262-1,200
Cherry Canyon5,228-2,166
Brushy Canyon6,600-3,538
Bone Spring8,361-5,299
Bone Spring9,567-6,505
Bone Spring10,448-7,386
Wolfcamp11,433-8,371

10 TOPS · FIRST 8

Mammoth 54-1-18-19 V42-301-37373

0.1 KM · Anadarko E&P Onshore LLC · Section with this well →

Delaware4,252-1,196
Bell Canyon4,252-1,196
Cherry Canyon5,222-2,166
Brushy Canyon6,716-3,660
Bone Spring8,384-5,328
Bone Spring9,592-6,536
Bone Spring10,473-7,417
Pennsylvanian—

10 TOPS · FIRST 8

Mammoth 54-1-18-19 U42-301-37369

0.1 KM · Anadarko E&P Onshore LLC · Section with this well →

Delaware4,258-1,202
Bell Canyon4,258-1,202
Cherry Canyon5,222-2,166
Brushy Canyon6,707-3,651
Avalon8,368-5,312
Bone Spring9,287-6,231
Bone Spring9,568-6,512
Wolfcamp—

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/30137128, documented in the API reference.