WELL · 42-417-34146 · DISTRICT 7

Grimes, I. #4A

Plugged

Shackelford County  · Vertical

Grimes, I. #4A (API 42-417-34146) is a plugged well in Shackelford County, plugged September 24, 1981, last operated by Cdj Oil CO..

The RRC has issued 2 drilling permits between 1981 and 1991, permitted to 4,530 ft.

Completion filings report one formation top, including Tannehill.

Its lease has reported 5.81K barrels of oil and 455 mcf of gas since January 1993, last reporting in July 2026. The lease carries 10 wells, so these are lease totals, not this well alone.

Operator of record

CDJ Oil Co.

Albany, TX · P-5 Y, filed Dec 4, 2025 · 9 permits on file · (325) 721-8115

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsJenkins Creek Operations LLCthrough May 2025
Latest permitCDJ Oil Co.Aug 14, 1991
4,530
total depth, ft
2
permits on file
Aug 14, 1991
last permit issued
—
completed
5.81K
cumulative oil, bbl
455
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
Sep 24, 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 lease this well is completed on; they carry 10 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Grimes, I. O-8-10771Shackelford County RegularJenkins Creek Operations LLC105.81K455Jan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 15 · prior 12 75(-80%)

051015202420252026

Chain of custody

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

  1. 1CDJ Oil Co.Jan 1993 → Jul 2001
  2. 2Schkade, Carl E.Aug 2001 → Sep 2009
  3. 35 SchkadeNov 2009 → Feb 2016
  4. 4Basin Operating Inc.Oct 2016 → Feb 2017
  5. 5Jenkins Creek Operations LLCMay 2017 → May 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
390772-99ReenterCDJ Oil Co.Aug 12, 1991Aug 14, 1991Mar 1, 19924,530
133511-99DrillJones Co.Sep 18, 1981Sep 18, 1981—4,530

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-8-10771————

Formation tops

As filed on W-2/G-1. Subsea from 1,611 ft elevation.Download CSV →

FormationMD ftSubsea
Tannehill950661

Perforations

Perforated and open-hole intervals.

FromToType
962966Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62512512.25—
4.51,0077.875125 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
00Sep 3, 1992Jul 31, 1992—
00Aug 4, 1992——

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/41734146, documented in the API reference.