WELL · 42-317-45258 · DISTRICT 8

Howlin Wolf A #1DH

Y

Martin County · Spraberry (Trend Area) field · Producing  · Horizontal

Howlin Wolf A #1DH (API 42-317-45258) is a horizontal well in Martin County operated by Hibernia Resources IV LLC, completed December 21, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued May 23, 2023, permitted to 14,000 ft.

It was permitted by Legacy Reserves Operating LP and has since transferred to Hibernia Resources IV LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.

Its lease has reported 274K barrels of oil and 268K mcf of gas since December 2023, last reporting in July 2026.

Operator of record

Hibernia Resources IV LLC

Permitted by Legacy Reserves Operating LP; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Dec 4, 2025 · 66 permits on file · (713) 728-7911

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHibernia Resources IV LLC
Production reportsHibernia Resources IV, LLCthrough Apr 2026
Latest permitLegacy Reserves Operating LPMay 23, 2023

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
2
permits on file
May 23, 2023
last permit issued
Dec 21, 2023
completed
274K
cumulative oil, bbl
268K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 21, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

32.511361, -101.936278

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin 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
Howlin Wolf A O-10-61325Spraberry (Trend Area)Hibernia Resources IV, LLC1274K268KDec 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 73,497 · prior 12 166,411(-56%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 94,154 · prior 12 157,067(-40%)

010K20K202420252026

Chain of custody

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

  1. 1Legacy Reserves Operating LPMar 2024 → Apr 2024
  2. 2Hibernia Resources IV, LLCMay 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
890337-98DrillLegacy Reserves Operating LPJun 7, 2023May 23, 2023Oct 14, 202314,000
890337-99DrillLegacy Reserves Operating LPMay 3, 2023May 23, 2023Oct 14, 202314,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-61325————

Formation tops

As filed on W-2/G-1. Subsea from 2,796 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,1791,617
Yates2,506290
Queen3,297-501
Grayburg3,976-1,180
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,207-1,411
Spraberry5,726-2,930
Dean9,216-6,420
Cisco——
Pennsylvanian——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
9,38218,872Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37545417.5495 S
8.6257,73211775 S
5.518,9857.8751,855 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 29, 2024May 23, 2024Yes

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 →

Howlin Wolf C42-317-45587

0.0 KM · Legacy Reserves Operating LP · Section with this well →

Santa Rosa1,1691,628
Yates2,508289
Queen3,295-498
Grayburg3,976-1,179
San Andres4,214-1,417
Spraberry5,722-2,925
Dean9,011-6,214
Cisco—

10 TOPS · FIRST 8

Howlin Wolf B42-317-45259

0.0 KM · Legacy Reserves Operating LP · Section with this well →

Santa Rosa1,1781,619
Yates2,514283
Queen3,301-504
Grayburg3,981-1,184
San Andres4,211-1,414
Spraberry5,722-2,925
Dean8,991-6,194
Cisco—

10 TOPS · FIRST 8

T-Bone D42-317-44358

0.1 KM · Legacy Reserves Operating LP · Section with this well →

Wolfcamp9,133-6,334
Cisco—
Devonian—
Strawn—
Silurian (undifferentiated)—
Precambrian (Undifferentiated)—
Pennsylvanian—
Mississippian—

10 TOPS · FIRST 8

T-Bone C42-317-44191

0.4 KM · Legacy Reserves Operating LP · Section with this well →

Santa Rosa1,2501,549
Yates2,510289
Queen2,669130
Grayburg3,107-308
San Andres3,978-1,179
Clear Fork5,721-2,922
Spraberry7,556-4,757
Dean8,919-6,120

10 TOPS · FIRST 8

T-Bone B42-317-44192

0.4 KM · Legacy Reserves Operating LP · Section with this well →

Santa Rosa1,2501,549
Yates2,510289
Queen2,665134
Grayburg3,102-303
San Andres3,978-1,179
Clear Fork5,721-2,922
Spraberry7,549-4,750
Dean8,921-6,122

10 TOPS · FIRST 8

T-Bone B42-317-44190

0.4 KM · Legacy Reserves Operating LP · Section with this well →

Santa Rosa1,2501,549
Yates2,507292
Queen2,668131
Grayburg3,102-303
San Andres3,979-1,180
Spraberry7,562-4,763
Dean8,924-6,125
Cisco—

10 TOPS · FIRST 8

Big Smokey B42-317-45061

1.0 KM · Legacy Reserves Operating LP · Section with this well →

Santa Rosa1,2371,562
Rustler1,7431,056
Yates2,517282
Queen3,301-502
Grayburg3,532-733
San Andres4,224-1,425
Glorieta4,761-1,962
Clear Fork5,642-2,843

10 TOPS · FIRST 8

Big Smokey A42-317-45062

1.0 KM · Legacy Reserves Operating LP · Section with this well →

Santa Rosa1,2321,567
Rustler1,7451,054
Yates2,521278
Queen3,300-501
Grayburg3,955-1,156
San Andres4,201-1,402
Glorieta4,755-1,956
Clear Fork5,643-2,844

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/31745258, documented in the API reference.