WELL · 42-283-31314 · DISTRICT 1

Laduke A.C. #1

Plugged

LA Salle County · Pearsall (Austin Chalk) field  · Horizontal

Laduke A.C. #1 (API 42-283-31314) is a plugged horizontal well in La Salle County, plugged October 21, 2004, last operated by Cox & Cox Production CO..

The RRC has issued one drilling permit (amended once), issued April 12, 1990, permitted to 7,200 ft.

It was permitted by Flournoy Production CO. and has since transferred to Cox & Cox Production CO. on the wellbore schedule.

Completion filings report 2 formation tops, including Anacacho, Austin Chalk.

Its lease has reported 12.4K barrels of oil and 4.76K mcf of gas since January 1993, last reporting in July 2026.

Operator of record

Cox & Cox Production Co.

Permitted by Flournoy Production Co.; the EWA schedule now lists a different operator.

Donna, TX · P-5 Y, filed Apr 4, 2026

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCox & Cox Production Co.
Production reportsKeft Oil Companythrough Jan 1999
Latest permitFlournoy Production Co.Apr 12, 1990

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

7,200
total depth, ft
2
permits on file
Apr 12, 1990
last permit issued
Jun 1, 1990
completed
12.4K
cumulative oil, bbl
4.76K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 1, 1990
Shut in
—
Plugged
Oct 21, 2004

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Laduke, A.C. O-1-12527Pearsall (Austin Chalk)Cox & Cox Production Co.112.4K4.76KJan 1993 – 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. 1Flournoy Production Co.Jan 1993 → Jul 1994
  2. 2Glenco Oil & Gas CompanyOct 1994 → Dec 1994
  3. 3Keft Oil CompanyJan 1995 → Jan 1999

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
372106-98DrillFlournoy Production Co.Jun 8, 1990Apr 12, 1990—7,000
372106-99DrillFlournoy Production Co.Apr 12, 1990Apr 12, 1990Apr 19, 19907,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-12527————

Formation tops

As filed on W-2/G-1. Subsea from 519 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho6,500-5,981
Austin Chalk6,850-6,331

Perforations

Perforated and open-hole intervals.

FromToType
6,8509,350Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7575814.75458 S
76,5389.875725 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
00Jul 17, 1990Jun 12, 1990Yes
00Jul 12, 1990——

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/28331314, documented in the API reference.