WELL · 42-301-37365 · DISTRICT 10

Mammoth 54-1-18-19 Q #61H

Y

Loving County · Sandbar (Bone Spring) field · Producing  · Horizontal

Mammoth 54-1-18-19 Q #61H (API 42-301-37365) is a horizontal well in Loving County operated by Anadarko E&P Onshore LLC, completed December 26, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued April 17, 2025, permitted to 13,000 ft.

Completion filings report 10 formation tops, including Bell Canyon, Delaware, Cherry Canyon, Brushy Canyon.

Its lease has reported 140K barrels of oil and 334K mcf of gas since December 2025, last reporting in July 2026.

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 LLCApr 17, 2025
13,000
total depth, ft
1
permits on file
Apr 17, 2025
last permit issued
Dec 26, 2025
completed
140K
cumulative oil, bbl
334K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 26, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.967080, -103.695645

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 Q O-10-64917Sandbar (Bone Spring)Anadarko E&P Onshore LLC1140K334KDec 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 139,949 · prior 12 0

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 334,398 · prior 12 0

050K100K150K202420252026

Chain of custody

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

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
907440-99DrillAnadarko E&P Onshore LLCApr 14, 2025Apr 17, 2025Jul 19, 202513,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-64917————

Formation tops

As filed on W-2/G-1. Subsea from 3,045 ft elevation.Download CSV →

FormationMD ftSubsea
Bell Canyon4,324-1,279
Delaware4,324-1,279
Cherry Canyon5,173-2,128
Brushy Canyon6,655-3,610
Bone Spring9,232-6,187
AtokaATOKA - HIGH PRESSURE——
Pennsylvanian——
Red Bluff——
Strawn——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
10,94220,178Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,60017.52,395 S
10.754,12412.25645 S
7.87510,8459.8752,295 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
00May 13, 2026Mar 27, 2026Yes

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 R42-301-37371

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

Delaware4,262-1,217
Bell Canyon4,262-1,217
Cherry Canyon5,176-2,131
Brushy Canyon6,665-3,620
Bone Spring8,316-5,271
Strawn—
Wolfcamp—
Pennsylvanian—

10 TOPS · FIRST 8

Mammoth 54-1-18-19 S42-301-37367

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

Bell Canyon4,288-1,243
Delaware4,288-1,243
Cherry Canyon5,193-2,148
Brushy Canyon6,688-3,643
Avalon8,330-5,285
Bone Spring9,251-6,206
Bone Spring9,540-6,495
Red Bluff—

10 TOPS · FIRST 8

Mammoth 54-1-18-19 T42-301-37372

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

Delaware4,255-1,210
Bell Canyon4,255-1,210
Cherry Canyon5,195-2,150
Brushy Canyon6,687-3,642
Bone Spring8,346-5,301
Red Bluff—
Wolfcamp—
Pennsylvanian—

10 TOPS · FIRST 8

Mammoth 54-1-18-19 H42-301-36943

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

Bell Canyon4,238-1,193
Delaware4,238-1,193
Cherry Canyon5,180-2,135
Brushy Canyon6,654-3,609
Bone Spring8,326-5,281
Bone Spring9,540-6,495
Bone Spring10,423-7,378
Wolfcamp11,396-8,351

10 TOPS · FIRST 8

Mammoth 54-1-18-19 I42-301-36944

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

Delaware4,247-1,202
Bell Canyon4,247-1,202
Cherry Canyon5,178-2,133
Brushy Canyon6,666-3,621
Bone Spring8,341-5,296
Bone Spring9,550-6,505
Bone Spring10,427-7,382
Wolfcamp11,407-8,362

10 TOPS · FIRST 8

Sierra State 54-1-7-6 A42-301-36650

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

Delaware4,255-1,209
Bell Canyon4,255-1,209
Cherry Canyon5,184-2,138
Brushy Canyon6,545-3,499
Bone Spring8,304-5,258
Wolfcamp11,382-8,336
Strawn—
Red Bluff—

10 TOPS · FIRST 8

Mammoth 54-1-18-19 J42-301-36945

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

Delaware4,244-1,199
Bell Canyon4,244-1,199
Cherry Canyon5,198-2,153
Brushy Canyon6,684-3,639
Bone Spring8,351-5,306
Wolfcamp11,420-8,375
Pennsylvanian—
Red Bluff—

10 TOPS · FIRST 8

Sierra State 54-1-7-6 B42-301-36651

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

Delaware4,253-1,208
Bell Canyon4,253-1,208
Cherry Canyon5,188-2,143
Brushy Canyon6,643-3,598
Bone Spring8,330-5,285
Bone Spring9,543-6,498
Bone Spring10,411-7,366
Wolfcamp11,404-8,359

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/30137365, documented in the API reference.