WELL · 42-135-01454 · DISTRICT 8

Penwell Unit #42

N

Ector County · Penwell field  · Vertical

Penwell Unit #42 (API 42-135-01454) is a well in Ector County operated by Cross Timbers Energy LLC, completed March 13, 1990.

The RRC has issued 3 drilling permits between 1979 and 2025, permitted to 8,950 ft.

Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.

Its 2 leases have reported 6.86M barrels of oil and 2.22M mcf of gas since January 1993, last reporting in July 2026. The leases carry 290 wells, so these are lease totals, not this well alone.

Operator of record

Cross Timbers Energy LLC

Fort Worth, TX · P-5 Y, filed May 4, 2026 · 59 permits on file · (817) 320-7919

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCross Timbers Energy LLC
Production reportsCross Timbers Energy, LLCthrough Apr 2026
Latest permitCross Timbers Energy, LLCMar 21, 2025
8,950
total depth, ft
3
permits on file
Mar 21, 2025
last permit issued
Mar 13, 1990
completed
6.86M
cumulative oil, bbl
2.22M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 13, 1990
Shut in
—
Plugged
—

Surface location

31.695994, -102.607959

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Ector County.

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 290 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Penwell Unit O-10-23007PenwellCross Timbers Energy, LLC2896.85M2.21MJan 1993 – Jul 2026
Connell, W.E. NCT-5 O-10-64238Jordan (Fusselman)Cross Timbers Energy, LLC16.1K13.1KSep 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 53,633 · prior 12 44,614(+20%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 21,044 · prior 12 2,830(+644%)

02K4K6K202420252026

Chain of custody

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

  1. 1Texaco E & P Inc.Jan 1993 → May 2002
  2. 2Chevron U. S. A. Inc.Jun 2002 → Jul 2004
  3. 3XTO Energy Inc.Aug 2004 → Apr 2012
  4. 4Merit Energy CompanyMay 2012 → Dec 2013
  5. 5Cross Timbers Energy, LLCJan 2014 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
906771-99RecompletionCross Timbers Energy, LLCMar 18, 2025Mar 21, 2025Oct 30, 19498,950
328737-99RecompletionTexaco Producing Inc.Apr 7, 1987Apr 10, 1987—3,840
50355-99RecompletionTexaco Inc.Jun 8, 1979Jun 8, 1979—7,900

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-23007————
—— O-10-64238————

Formation tops

As filed on W-2/G-1. Subsea from 2,856 ft elevation.Download CSV →

FormationMD ftSubsea
Santa RosaSANTA ROSA BASE5412,315
Yates2,051805
Seven Rivers2,266590
Queen3,035-179
Grayburg3,153-297
San Andres3,348-492
Glorieta4,312-1,456
Clear ForkCLEARFORK4,749-1,893
Tubb5,268-2,412
Clear ForkLOWER CLEARFORK5,329-2,473

Perforations

Perforated and open-hole intervals.

FromToType
3,4103,495Perforated
3,4103,797Perforated
3,5033,582Perforated
3,6473,797Perforated
7,5757,780Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37532217.5300 S
9.6253,84912.253,650 S
78,9498.751,200 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 11, 2025Oct 21, 2025—
00Apr 17, 1990Apr 2, 1990—
00Jul 14, 1987Jun 30, 1987Yes
00Jul 6, 1987——
00Mar 12, 1987Jul 23, 1980—
00Jan 12, 1984Jul 25, 1980—
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) and the University Lands library. then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Connell Heirs42-135-43919

0.3 KM · Cross Timbers Energy, LLC · Section with this well →

Santa Rosa5392,320
Yates2,065794
Seven Rivers2,566293
Queen3,048-189
Grayburg3,167-308
San Andres3,366-507
Glorieta4,329-1,470
Clear Fork4,766-1,907

10 TOPS · FIRST 8

Penwell Unit42-135-01455

0.6 KM · XTO Energy Inc. · Section with this well →

Santa Rosa1,3501,498
Yates2,000848
Seven Rivers2,554294
Queen3,000-152
Grayburg3,147-299
San Andres3,352-504
San Andres3,400-552
Holt4,243-1,395

18 TOPS · FIRST 8

Connell W.E. -A-42-135-01616

0.6 KM · Davis Southern Operating Co LLC · Section with this well →

Tubb5,268-2,409
Wolfcamp6,642-3,783
Fusselman7,424-4,565
Waddell8,366-5,507
Ellenburger8,610-5,751

Connell, Heirs42-135-43453

0.6 KM · Cross Timbers Energy, LLC · Section with this well →

Santa Rosa8212,051
Yates2,048824
Seven Rivers2,244628
Queen3,100-228
Grayburg3,312-440
San Andres3,376-504
Holt4,284-1,412
Glorieta4,335-1,463

10 TOPS · FIRST 8

Connell Heirs42-135-43597

0.7 KM · Cross Timbers Energy, LLC · Section with this well →

Santa Rosa8402,024
Yates2,067797
Seven Rivers2,244620
Queen2,81945
Grayburg3,159-295
San Andres3,388-524
Holt4,310-1,446
Glorieta4,365-1,501

15 TOPS · FIRST 8

Connell Heirs42-135-43627

0.8 KM · Cross Timbers Energy, LLC · Section with this well →

Santa Rosa8262,022
Yates2,062786
Seven Rivers2,243605
Queen2,81236
Grayburg3,161-313
San Andres3,376-528
Holt4,266-1,418
Glorieta4,316-1,468

11 TOPS · FIRST 8

Connell W.E. -A-42-135-01617

0.9 KM · Davis Southern Operating Co LLC · Section with this well →

Santa Rosa1,3901,465
Yates2,090765
Seven Rivers2,570285
Queen3,050-195
Grayburg3,145-290
San Andres3,342-487
Glorieta4,290-1,435
Clear Fork4,380-1,525

10 TOPS · FIRST 8

Penwell Unit42-135-01456

0.9 KM · XTO Energy Inc. · Section with this well →

Santa Rosa1,3501,499
Yates2,000849
Queen3,000-151
San Andres3,351-502
San Andres3,400-551
Grayburg3,550-701
Seven Rivers3,970-1,121
Glorieta4,400-1,551

19 TOPS · FIRST 8

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/13501454, documented in the API reference.