TEXAS · WELLS · BRAZORIA COUNTY · API 42-039-03946 · DISTRICT 03

Old Ocean Unit #166

Shut in

Brazoria County · Old Ocean (Chenault) field · Temp Abandoned  · Vertical

Old Ocean Unit #166 (API 42-039-03946) is a well in Brazoria County operated by Hilcorp Energy Company, completed September 30, 2008 and listed as temp abandoned on the RRC schedule, shut in October 1, 2008.

The RRC has issued one drilling permit, issued October 4, 2008, permitted to 10,897 ft.

Completion filings report 4 formation tops, including Chenault, Armstrong, Campbell, Larsen.

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

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2005
Latest permitHilcorp Energy CompanyOct 4, 2008
10,897
total depth, ft
1
permits on file
Oct 4, 2008
last permit issued
Sep 30, 2008
completed
0
cumulative oil, bbl
418
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 30, 2008
Shut in
Oct 1, 2008
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Old Ocean Unit G-3-255678Old Ocean (Chenault)Hilcorp Energy Company100Sep 2008 – Jul 2026
Old Ocean Unit G-3-46885Old Ocean (Larsen)Hilcorp Energy Company100Jan 1993 – Sep 2008
Old Ocean Unit G-3-96625Old Ocean (Armstrong)Hilcorp Energy Company10418Jan 1993 – Sep 2008

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

Chain of custody

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

  1. 1Hilcorp Energy CompanyApr 2005 → Apr 2005

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
671615-99RecompletionHilcorp Energy CompanySep 22, 2008Oct 4, 2008Sep 8, 200810,790

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 30, 2008Old Ocean Unit G-3-255678Old Ocean (Chenault)Hilcorp Energy CompanyTemp Abandoned · shut in Oct 1, 200810,897
Aug 30, 1969Old Ocean Unit G-3-46885Old Ocean (Larsen)Hilcorp Energy CompanyNot on Schedule—
Feb 9, 1941Old Ocean Unit G-3-96625Old Ocean (Armstrong)Hilcorp Energy CompanyNot on Schedule—
—— G-3-47428Old Ocean (Armstrong)Pan American Petroleum Corp.Not on Schedule—
—Old Ocean Unit O-3-3213Old Ocean (Armstrong)Hilcorp Energy CompanyNot on Schedule—
—Old Ocean Unit G-3-47023Old Ocean (Armstrong)Amoco Production Co.-AlvinNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 50 ft elevation.Download CSV →

FormationMD ftSubsea
Chenault9,630-9,580
Armstrong9,916-9,866
Campbell10,402-10,352
Larsen10,507-10,457

Perforations

Perforated and open-hole intervals.

FromToType
10,11410,124Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,50615500 S
13.3751,506——
9.6257,01012.25500 S
9.6257,010——
79,860——
710,2158.625500 S
710,2458.625500 S
310,394——

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 14, 2010Oct 27, 2008Yes
00May 14, 2010——
00Jan 12, 1984Oct 28, 1981—
00Jan 12, 1984Feb 8, 1978—
00Jan 12, 1984Sep 23, 1969—
00Jan 12, 1984——

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/03903946, documented in the API reference.