WELL · 42-165-38974 · DISTRICT 8

Grey Wolf #1

Y

Gaines County · Spraberry (Trend Area) field · Shut IN  · Vertical

Grey Wolf #1 (API 42-165-38974) is a well in Gaines County operated by Big Mountain Operating LLC, completed February 9, 2025 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued December 31, 2024, permitted to 10,500 ft.

Completion filings report 10 formation tops, including Glorieta, Clear Fork, Spraberry, Leonard.

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

Operator of record

Big Mountain Operating LLC

Decatur, TX · P-5 Y, filed Feb 4, 2026 · 8 permits on file · (940) 393-6107

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBig Mountain Operating LLC
Production reportsnone
Latest permitBig Mountain Operating LLCDec 31, 2024
10,500
total depth, ft
1
permits on file
Dec 31, 2024
last permit issued
Feb 9, 2025
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 9, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

32.694535, -102.534889

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Gaines 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
Grey Wolf O-10-63520Spraberry (Trend Area)Big Mountain Operating LLC100Feb 2025 – Jul 2026

No volumes reported on these leases in the last three years.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
904879-99DrillBig Mountain Operating LLCDec 23, 2024Dec 31, 2024Jan 17, 202510,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-63520————

Formation tops

As filed on W-2/G-1. Subsea from 3,223 ft elevation.Download CSV →

FormationMD ftSubsea
Glorieta6,430-3,207
Clear ForkCLEARFORK6,686-3,463
Spraberry9,842-6,619
Leonard——
Queen——
San AndresSAN ANDRES - ACTIVE CO2 FLOOD——
San Angelo——
Seven Rivers——
Wichita-AlbanyWICHITA ALBANY——
YatesYATES - OVERPRESSURE, INERT GAS——

Perforations

Perforated and open-hole intervals.

FromToType
9,8449,940Perforated
9,9509,952Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37537917.5425 S
8.6254,973111,415 S
5.54,9737.875275 S
5.510,2197.875460 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 4, 2025May 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 →

Stephens42-165-38408

2.0 KM · Raw Oil & Gas, Inc. · Section with this well →

Yates2,800444
Seven Rivers3,400-156
Queen4,000-756
San Andres4,200-956
Glorieta5,500-2,256
Clear Fork6,000-2,756
San Angelo6,400-3,156
Wichita-Albany7,400-4,156

10 TOPS · FIRST 8

Grayson42-165-32151

2.2 KM · Raw Oil & Gas, Inc. · Section with this well →

Yates2,800424
Seven Rivers3,400-176
Queen4,000-776
San Andres4,200-976
Glorieta5,500-2,276
Clear Fork6,000-2,776

Monarch42-165-38951

2.5 KM · McClure Oil Company, Inc. · Section with this well →

Rustler2,328922
Yates3,435-185
Queen3,982-732
San Andres5,152-1,902
Glorieta—
Clear Fork—
Spraberry—
San Angelo—

10 TOPS · FIRST 8

Monarch42-165-38953

2.8 KM · McClure Oil Company, Inc. · Section with this well →

Rustler2,318937
Yates3,446-191
Seven Rivers3,647-392
Queen3,997-742
Grayburg4,667-1,412
San Andres5,141-1,886
San Angelo—
Wichita-Albany—

10 TOPS · FIRST 8

Monarch42-165-38950

2.8 KM · McClure Oil Company, Inc. · Section with this well →

Rustler2,297948
Yates3,404-159
Queen3,955-710
San Andres5,111-1,866
Clear Fork—
Spraberry—
Seven Rivers—
San Angelo—

10 TOPS · FIRST 8

Monarch42-165-38957

3.1 KM · McClure Oil Company, Inc. · Section with this well →

Rustler2,288960
Yates3,418-170
Seven Rivers3,622-374
Queen3,967-719
Grayburg4,641-1,393
San Andres5,113-1,865
Clear Fork—
Glorieta—

10 TOPS · FIRST 8

Waters 2242-165-31953

3.1 KM · McClure Oil Company, Inc. · Section with this well →

Yates3,491-241
Seven Rivers3,746-496
Queen4,133-883
San Andres4,808-1,558
Spraberry—
Clear Fork—
Leonard—
San Angelo—

10 TOPS · FIRST 8

Monarch42-165-38956

3.4 KM · McClure Oil Company, Inc. · Section with this well →

Rustler2,2471,001
Yates3,370-122
Seven Rivers3,572-324
Queen3,915-667
Grayburg4,585-1,337
San Andres5,053-1,805
San Angelo—
Glorieta—

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/16538974, documented in the API reference.