WELL · 42-461-32558 · DISTRICT 7

Cowden 43 B #1

Plugged

Upton County · Spraberry (Trend Area) field  · Vertical

Cowden 43 B #1 (API 42-461-32558) is a plugged well in Upton County, plugged January 11, 2024, last operated by Endeavor Energy Resources L.P..

The RRC has issued one drilling permit, issued January 8, 1986, permitted to 9,300 ft.

It was permitted by Atkins Petroleum Corp. and has since transferred to Endeavor Energy Resources L.P. on the wellbore schedule.

Completion filings report 5 formation tops, including Clear Fork, Spraberry, Jo Mill, Dean.

Its lease has reported 14.8K barrels of oil and 20K mcf of gas since January 1993, last reporting in February 2024.

Operator of record

Endeavor Energy Resources L.P.

Permitted by Atkins Petroleum Corp.; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Apr 4, 2026 · 6,190 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEndeavor Energy Resources L.P.
Production reportsEndeavor Energy Resources L.P.through Jul 2023
Latest permitAtkins Petroleum Corp.Jan 8, 1986

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

9,300
total depth, ft
1
permits on file
Jan 8, 1986
last permit issued
May 13, 1986
completed
14.8K
cumulative oil, bbl
20K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2024

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 13, 1986
Shut in
—
Plugged
Jan 11, 2024

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
Cowden 43 "B" O-9-11987Spraberry (Trend Area)Endeavor Energy Resources L.P.114.8K20KJan 1993 – Feb 2024

Oil, barrels lease total

Last 12 months 0 · prior 12 0

0102030202420252026

Chain of custody

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

  1. 1Stephens, Autry C.Jan 1993 → Aug 2000
  2. 2Endeavor Energy Resources L.P.Sep 2000 → Jul 2023

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
295054-99DrillAtkins Petroleum Corp.Jan 7, 1986Jan 8, 1986Mar 28, 19869,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-11987————

Formation tops

As filed on W-2/G-1. Subsea from 2,778 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkCLEARFORK7,144-4,366
SpraberryUPPER SPRABERRY7,530-4,752
SpraberryLOWER SPRABERRY8,112-5,334
Jo Mill8,385-5,607
Dean8,881-6,103
Wolfcamp9,073-6,295

Perforations

Perforated and open-hole intervals.

FromToType
7,5349,066Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37540717.5520 S
8.6254,42511500 S
4.59,2407.875700 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 2, 1986Aug 21, 1986Yes
00Aug 29, 1986——

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) and the University Lands library. 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/46132558, documented in the API reference.