WELL · 42-211-30081 · DISTRICT 10

Cook C. J. #1A

Plugged

Hemphill County · Cook-Gem (Morrow UP) field  · Vertical

Cook C. J. #1A (API 42-211-30081) is a plugged well in Hemphill County, plugged May 16, 1981, last operated by Gulf Oil Corp..

The RRC has issued 2 drilling permits between 1997 and 1998, permitted to 19,600 ft.

It was permitted by Corlena Oil Company and has since transferred to Gulf Oil Corp. on the wellbore schedule.

Completion filings report 3 formation tops, including Base Hebner, Base Herbner, Douglas.

Operator of record

Gulf Oil Corp.

Permitted by Corlena Oil Company; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Mar 3, 1993 · 4,382 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleGulf Oil Corp.
Production reportsPresidio Petroleum LLCthrough Feb 2023
Latest permitCorlena Oil CompanyAug 17, 1998

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

19,600
total depth, ft
2
permits on file
Aug 17, 1998
last permit issued
—
completed
0
cumulative oil, bbl
604K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 1997 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
May 16, 1981

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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cook G-14-164985Gem-Dandy (Douglas)Presidio Petroleum LLC100Jul 1997 – Jul 2026
Cook G-14-171601Ramp, NE. (Granite Wash)Presidio Petroleum LLC10604KSep 1998 – Jul 2026

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. 1Corlena Oil CompanyNov 1998 → May 2007
  2. 2Cordillera Texas, L.P.Jun 2007 → Sep 2008
  3. 3Forest Oil CorporationOct 2008 → Nov 2013
  4. 4LE Norman Operating LLCDec 2013 → Jun 2019
  5. 5Templar Operating LLCJul 2019 → Dec 2019
  6. 6Presidio Petroleum LLCJan 2020 → Feb 2023

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
478693-99RecompletionCorlena Oil CompanyAug 12, 1998Aug 17, 1998Sep 2, 199819,600
459837-99ReenterCanyon Exploration Co.Mar 13, 1997Mar 13, 1997Mar 31, 199710,665

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-164985————
—— G-14-171601————

Formation tops

As filed on W-2/G-1. Subsea from 2,576 ft elevation.Download CSV →

FormationMD ftSubsea
Base Hebner7,815-5,239
Base Herbner7,815-5,239
Douglas7,906-5,330
DouglasLOWER DOUGLAS8,038-5,462

Perforations

Perforated and open-hole intervals.

FromToType
7,9077,940Perforated
11,67411,686Perforated
19,06413,330Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
2080526—
20805——
13.6256,413——
13.3756,42317.5—
10.7512,97817.51,125 S
10.7512,97812.25—
10.7512,978——
7.62516,4259.5—
7.62516,425——
7.62516,4279.5583 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
00Jun 29, 2026Apr 15, 2026—
00Feb 10, 1999Nov 6, 1998Yes
00Feb 4, 1999——
00Feb 19, 1998Sep 29, 1997Yes
00Oct 31, 1997——
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/21130081, documented in the API reference.