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TEXAS · WELLS · BRAZORIA COUNTY · API 42-039-03992 · DISTRICT 03

Old Ocean Unit #131

Y

Brazoria County · Old Ocean (Larsen) field · Producing  · Directional · Sidetrack

Old Ocean Unit #131 (API 42-039-03992) is a well in Brazoria County operated by Hilcorp Energy Company, completed August 2, 2012 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits (amended twice) between 1995 and 2001, permitted to 10,671 ft.

Completion filings report 3 formation tops, including F-1, F-9, F-19.

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

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 Brazoria County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyJun 14, 2001
10,671
total depth, ft
4
permits on file
Jun 14, 2001
last permit issued
Aug 2, 2012
completed
0
cumulative oil, bbl
5.46M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 2, 2012
Shut in
—
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 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Old Ocean Unit G-3-31356Old Ocean (Larsen)Hilcorp Energy Company100Jan 1993 – Jul 2026
Old Ocean Unit G-3-186137Old Ocean (Larsen)Hilcorp Energy Company105.46MAug 2001 – Jul 2026
Old Ocean Unit G-3-50583Old Ocean (Chenault)Hilcorp Energy Company100Jan 1993 – Aug 2001
Old Ocean Unit G-3-157745Old Ocean (Campbell)Hilcorp Energy Company10100Nov 1994 – Aug 2001

Gas, mcf lease total

Last 12 months 7,082 · prior 12 7,612(-7%)

02K4K202420252026

Chain of custody

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

  1. 1Amoco Production CompanyAug 1996 → Aug 1996
  2. 2Hilcorp Energy CompanyAug 2001 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
501748-97RecompletionHilcorp Energy CompanyJun 14, 2001Jun 14, 2001Jul 6, 200111,250
501748-98Recompletion · sidetrackHilcorp Energy CompanyMay 10, 2001Nov 8, 2000—10,850
501748-99RecompletionHilcorp Energy CompanyNov 8, 2000Nov 8, 2000—10,850
431591-99RecompletionAmoco Production CompanyJan 6, 1995Jan 9, 1995Nov 3, 199410,850

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 2, 2012Old Ocean Unit G-3-186137Old Ocean (Larsen)Hilcorp Energy CompanyProducing10,671
Sep 25, 1963Old Ocean Unit G-3-31356Old Ocean (Larsen)Hilcorp Energy CompanyPartial Plug · shut in Oct 1, 200010,671
Nov 20, 1994Old Ocean Unit G-3-157745Old Ocean (Campbell)Hilcorp Energy CompanyNot on Schedule—
Jun 6, 1971Old Ocean Unit G-3-50583Old Ocean (Chenault)Hilcorp Energy CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 113 ft elevation.Download CSV →

FormationMD ftSubsea
F-18,692-8,579
F-99,578-9,465
F-1910,359-10,246

Perforations

Perforated and open-hole intervals.

FromToType
10,35010,365Perforated
10,44410,452Perforated
10,45810,474Perforated
10,48010,633Perforated
10,48210,498Perforated
10,48210,640Perforated
10,53910,546Perforated
10,55810,590Perforated
10,60210,640Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,52118350 S
13.3751,521——
10.3751,521——
9.6257,02012.25500 S
9.6257,020——
2.3759,371——
2.87510,058——
2.37510,417——
710,8508.6251,000 S
710,850——

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 28, 2013Jan 14, 2013—
00Mar 23, 2009Jan 22, 2009—
00Oct 24, 2008Jul 15, 2008—
00Aug 17, 2006Mar 24, 2006—
00Feb 20, 2002Nov 2, 2001—
00Jan 2, 2002——
00May 20, 1996Mar 25, 1996Yes
00May 8, 1996——
00Jan 12, 1984Jun 29, 1971Yes
00Jan 12, 1984Nov 14, 1963—

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/03903992, documented in the API reference.