WELL · 42-335-35407 · DISTRICT 8

North Westbrook Unit #2143

N

Mitchell County · Westbrook (Clear Fork Upper) field  · Vertical

North Westbrook Unit #2143 (API 42-335-35407) is a well in Mitchell County operated by Energen Resources Corporation, completed December 14, 2010.

The RRC has issued one drilling permit, issued June 18, 2010, permitted to 3,500 ft.

Completion filings report 4 formation tops, including Yates, Queen, San Andres, Clear Fork.

Its 2 leases have reported 26.2M barrels of oil and 1.81M mcf of gas since January 1993, last reporting in July 2026. The leases carry 1,147 wells, so these are lease totals, not this well alone.

Operator of record

Energen Resources Corporation

Midland, TX · P-5 Y, filed Dec 10, 2021 · 4,291 permits on file · (432) 699-9332

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEnergen Resources Corporation
Production reportsBce-Mach III LLCthrough Apr 2026
Latest permitEnergen Resources CorporationJun 18, 2010

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

3,500
total depth, ft
1
permits on file
Jun 18, 2010
last permit issued
Dec 14, 2010
completed
26.2M
cumulative oil, bbl
1.81M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 14, 2010
Shut in
—
Plugged
—

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 1,147 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
North Westbrook Unit O-10-20831WestbrookBce-Mach III LLC1,14626.2M1.81MJan 1993 – Jul 2026
North Westbrook Unit O-10-41519Westbrook (Clear Fork, Upper)Energen Resources Corporation100Dec 2010 – Dec 2013

Oil, barrels lease total

Last 12 months 520,305 · prior 12 568,390(-8%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 24,856 · prior 12 31,610(-21%)

02K4K202420252026

Chain of custody

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

  1. 1Chevron U. S. A. Inc.Jan 1993 → Aug 2003
  2. 2Enervest Operating, L.L.C.Sep 2003 → Dec 2005
  3. 3Energen Resources CorporationJan 2006 → Jan 2019
  4. 4Diamondback E&P LLCFeb 2019 → Jun 2019
  5. 5Sabinal Energy Operating, LLCJul 2019 → Aug 2025
  6. 6Bce-Mach III LLCSep 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
697701-99DrillEnergen Resources CorporationJun 16, 2010Jun 18, 2010Sep 15, 20103,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-20831————
—— O-10-41519————

Formation tops

As filed on W-2/G-1. Subsea from 2,159 ft elevation.Download CSV →

FormationMD ftSubsea
Yates6331,526
Queen1,1001,059
San Andres1,477682
Clear ForkUPPER CLEARFORK2,478-319
Clear ForkMIDDLE CLEARFORK3,038-879

Perforations

Perforated and open-hole intervals.

FromToType
2,4922,611Perforated
2,4923,180Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62556511300 S
5.53,3787.875900 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
00Dec 10, 2013Oct 31, 2013—
00Jun 7, 2012Mar 31, 2011Yes

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/33535407, documented in the API reference.