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TEXAS · WELLS · JACKSON COUNTY · API 42-239-30828 · DISTRICT 02

West Ranch -A- #478

Shut in

Jackson County · West Ranch (Greta) field · Observation  · Vertical

West Ranch -A- #478 (API 42-239-30828) is a well in Jackson County operated by Hilcorp Energy Company, completed August 1, 2017 and listed as observation on the RRC schedule, shut in February 1, 2026.

The RRC has issued 3 drilling permits (amended once) between 1983 and 2008, permitted to 6,203 ft.

Completion filings report 4 formation tops, including Catahoula, Frio, Gretta, No Change.

Its 4 leases have reported 6.44M barrels of oil and 7.61M mcf of gas since January 1993, last reporting in July 2026. The leases carry 340 wells, so these are lease totals, not this well alone.

Operator of record

Hilcorp Energy Company

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
Mar 27, 2026
Permits on file
3,454
Phone
(713) 209-2400
Watch this operatorWatch Jackson County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyJan 31, 2008
6,203
total depth, ft
4
permits on file
Jan 31, 2008
last permit issued
Aug 1, 2017
completed
6.44M
cumulative oil, bbl
7.61M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 1, 2017
Shut in
Feb 1, 2026
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 4 leases this well is completed on; they carry 340 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
West Ranch -A- O-2-1656West Ranch (Greta)Hilcorp Energy Company2876M5.64MJan 1993 – Jul 2026
West Ranch -A- O-2-1703West Ranch (98-A)Hilcorp Energy Company51437K914KJan 1993 – Mar 2017
West Ranch "A" G-2-141099West Ranch (Mitchell)Hilcorp Energy Company100Jan 1993 – Mar 2008
West Ranch "A" G-2-141644West Ranch (Marginulina 5000)Hilcorp Energy Company101.06MJan 1993 – Mar 2008

Oil, barrels lease total

Last 12 months 74,228 · prior 12 84,801(-12%)

05K10K15K202420252026

Gas, mcf lease total

Last 12 months 27,020 · prior 12 53,020(-49%)

010K20K202420252026

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
653686-99RecompletionHilcorp Energy CompanyJan 22, 2008Jan 31, 2008Jan 31, 20086,203
395394-98RecompletionMobil Producing TX. & N.M. Inc.Feb 28, 1992Dec 27, 1991Mar 14, 19926,203
395394-99RecompletionMobil Producing TX. & N.M. Inc.Dec 27, 1991Dec 27, 1991—6,203
199645-99RecompletionMobil Producing TX. & N.M. Inc.Jun 13, 1983Jun 13, 1983—6,203

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 1, 2017West Ranch -A- O-2-1656West Ranch (Greta)Hilcorp Energy CompanyObservation · shut in Feb 1, 20266,203
Mar 25, 1992West Ranch A G-2-141099West Ranch (Mitchell)Hilcorp Energy CompanyNot on Schedule—
Mar 25, 1992West Ranch A G-2-141644West Ranch (Marginulina 5000)Hilcorp Energy CompanyNot on Schedule—
Mar 5, 1988West Ranch -A- O-2-1703West Ranch (98-A)Hilcorp Energy CompanyNot on Schedule—
Jul 30, 1977West Ranch -A- O-2-1696West Ranch (41-A)Hilcorp Energy CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 35 ft elevation.Download CSV →

FormationMD ftSubsea
Catahoula4,261-4,226
Frio5,000-4,965
Gretta5,102-5,067
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,0325,048Perforated
5,0735,079Perforated
5,7055,717Perforated
6,1206,126Perforated
6,1266,130Perforated
6,1416,145Perforated
6,1476,154Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,300—325 S
10.751,32813.5885 S
10.751,32814.75885 S
10.751,328——
2.3755,876——
76,1729.8751,265 S
76,172——
76,195—990 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
00Nov 4, 2019Nov 14, 2017—
00Jul 30, 2008Apr 23, 2008Yes
00Jul 3, 2008——
00Aug 20, 1992Apr 7, 1992Yes
00Jul 15, 1992——
00Jun 11, 1992Apr 7, 1992Yes
00Apr 15, 1992——
00May 18, 1988Mar 21, 1988—
00Jul 8, 1986Jun 20, 1986—
00Oct 30, 1984Aug 17, 1984—
00Jan 12, 1984Jul 29, 1983—
00Jan 12, 1984Aug 18, 1977—

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.

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/23930828, documented in the API reference.