WELL · 42-239-31241 · DISTRICT 2

West Ranch (41-a/98-a Cons) Unit #485

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Jackson County · West Ranch (41-a & 98-a Cons.) field  · Vertical

West Ranch (41-A/98-A Cons) Unit #485 (API 42-239-31241) is a well in Jackson County operated by Hilcorp Energy Company, completed December 4, 1987.

The RRC has issued 4 drilling permits between 1977 and 2020, permitted to 6,231 ft.

Completion filings report 4 formation tops, including Catahoula, Frio, Greta, Gretta.

Its 5 leases have reported 9.87M barrels of oil and 1.47M mcf of gas since January 1993, last reporting in July 2026. The leases carry 402 wells, so these are lease totals, not this well alone.

Operator of record

Hilcorp Energy Company

Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,453 permits on file · (713) 209-2411

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyFeb 5, 2020
6,231
total depth, ft
4
permits on file
Feb 5, 2020
last permit issued
Dec 4, 1987
completed
9.87M
cumulative oil, bbl
1.47M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 4, 1987
Shut in
—
Plugged
—

Surface location

28.790801, -96.601433

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Jackson County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 5 leases this well is completed on; they carry 402 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
West Ranch -A- O-2-3207West Ranch (Toney)Hilcorp Energy Company15274K135KJan 1993 – Jul 2026
West Ranch (41-a/98-a Cons) Unit O-2-11296West Ranch (41-a & 98-a Cons.)Hilcorp Energy Company2539.11M7.69KJul 2016 – Jul 2026
West Ranch -A- G-2-200526West Ranch (Ward)Hilcorp Energy Company10377KAug 2001 – May 2022
West Ranch -A- O-2-1703West Ranch (98-A)Hilcorp Energy Company51437K914KJan 1993 – Mar 2017
West Ranch -A- O-2-10962West Ranch (41-a & 98-a Cons.)Hilcorp Energy Company8251K36.9KFeb 2015 – Mar 2017

Oil, barrels lease total

Last 12 months 788,702 · prior 12 882,217(-11%)

050K100K202420252026

Gas, mcf lease total

Last 12 months 662 · prior 12 3,235(-80%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Meridian Oil Production Inc.Jan 1993 → Feb 1996
  2. 2Meridian Oil Inc.Mar 1996 → Jul 1996
  3. 3Burlington Resources Oil&gas Co.Aug 1996 → Mar 1997
  4. 4Vintage Petroleum, Inc.Apr 1997 → Apr 2006
  5. 5Vintage Petroleum, LLCMay 2006 → Dec 2007
  6. 6Hilcorp Energy CompanyAug 2007 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
859928-99RecompletionHilcorp Energy CompanyDec 12, 2019Feb 5, 2020Dec 11, 20196,231
509190-99RecompletionVintage Petroleum, Inc.May 18, 2001May 18, 2001May 9, 20015,695
337723-99RecompletionMobil Producing TX. & N.M. Inc.Oct 21, 1987Nov 19, 1987—6,176
14881-99DrillMobil Oil CorporationDec 28, 1977Dec 28, 1977Feb 23, 19786,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-200526————
—— O-2-1703————
—— O-2-3207————
—— O-2-10962————
—— O-2-11296————

Formation tops

As filed on W-2/G-1. Subsea from 39 ft elevation.Download CSV →

FormationMD ftSubsea
Catahoula4,261-4,222
Frio5,000-4,961
Greta5,102-5,063
Gretta5,102-5,063

Perforations

Perforated and open-hole intervals.

FromToType
5,6385,648Perforated
5,7015,709Perforated
6,1326,136Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,31814.75750 S
10.751,318——
2.8755,622——
76,2269.875385 S
76,226——

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 20, 2020Jul 8, 2020—
00Nov 4, 2019Jan 24, 2018—
00Jan 12, 2017Dec 18, 1987Yes
00May 26, 2015Dec 18, 1987Yes
00May 6, 2004Nov 10, 2003Yes
00Apr 26, 2004——
00Feb 29, 1988Dec 18, 1987Yes
00Jan 12, 1988——
00Jan 12, 1984Apr 17, 1978—

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). 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 →

West Ranch -A-42-239-33833

0.3 KM · Hilcorp Energy Company · Section with this well →

Catahoula4,261-4,236
Catahoula4,261-4,236
Frio5,000-4,975
Frio5,000-4,975
Gretta - Disposal5,102-5,077
Greta5,102-5,077

West Ranch -A-42-239-33814

0.3 KM · Hilcorp Energy Company · Section with this well →

Catahoula4,261-4,236
Catahoula4,261-4,236
Frio5,000-4,975
Frio5,000-4,975
Greta5,102-5,077
Gretta - Disposal5,102-5,077

West Ranch (41-a/98-a Cons) Unit42-239-33879

0.3 KM · Hilcorp Energy Company · Section with this well →

Catahoula4,261-4,237
Frio5,000-4,976
Gretta - Disposal5,102-5,078

West Ranch -A-42-239-33839

0.4 KM · Hilcorp Energy Company · Section with this well →

Catahoula4,261-4,240
Frio5,000-4,979
Gretta - Disposal5,102-5,081

West Ranch -A-42-239-33656

0.4 KM · Hilcorp Energy Company · Section with this well →

Catahoula4,261-4,234
Frio5,000-4,973
Gretta - Disposal5,102-5,075

West Ranch -A-42-239-33763

0.4 KM · Hilcorp Energy Company · Section with this well →

Catahoula4,261-4,234
Catahoula4,261-4,234
Greta5,000-4,973
Frio5,000-4,973
Gretta - Disposal5,102-5,075
Frio5,102-5,075

West Ranch -A-42-239-33673

0.4 KM · Hilcorp Energy Company · Section with this well →

Catahoula4,261-4,238
Catahoula4,261-4,238
Greta5,000-4,977
Frio5,000-4,977
Gretta - Disposal5,102-5,079
Frio5,102-5,079

West Ranch -A-42-239-33586

0.5 KM · Hilcorp Energy Company · Section with this well →

Catahoula1,650-1,621
Frio5,025-4,996
Greta5,038-5,009
98-A6,126-6,097

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/23931241, documented in the API reference.