WELL · 42-135-35633 · DISTRICT 8
Penwell Unit #1357
Ector County · Penwell field · Shut IN · Vertical
Penwell Unit #1357 (API 42-135-35633) is a well in Ector County operated by Cross Timbers Energy LLC, completed April 23, 2019 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued September 8, 1987, permitted to 3,925 ft.
It was permitted by Texaco Producing Inc. and has since transferred to Cross Timbers Energy LLC on the wellbore schedule.
Completion filings report 12 formation tops, including Rustler, Santa Rosa, Tansill, Yates.
Its lease has reported 6.85M barrels of oil and 2.21M mcf of gas since January 1993, last reporting in July 2026. The lease carries 289 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Texaco Producing Inc.; the EWA schedule now lists a different operator.
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 schedule | Cross Timbers Energy LLC |
| Production reports | Cross Timbers Energy, LLCthrough Apr 2026 |
| Latest permit | Texaco Producing Inc.Sep 8, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,925
- total depth, ft
- 1
- permits on file
- Sep 8, 1987
- last permit issued
- Apr 23, 2019
- completed
- 6.85M
- cumulative oil, bbl
- 2.21M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 23, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 289 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Penwell Unit O-10-23007 | Penwell | Cross Timbers Energy, LLC | 289 | 6.85M | 2.21M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 47,538 · prior 12 44,614(+7%)
Gas, mcf lease total
Last 12 months 7,916 · prior 12 2,830(+180%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Jan 1993 → May 2002
- 2Chevron U. S. A. Inc.Jun 2002 → Jul 2004
- 3XTO Energy Inc.Aug 2004 → Apr 2012
- 4Merit Energy CompanyMay 2012 → Dec 2013
- 5Cross Timbers Energy, LLCJan 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 335274-99 | Drill | Texaco Producing Inc. | Aug 31, 1987 | Sep 8, 1987 | Nov 20, 1987 | 3,925 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-23007 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,929 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 925 | 2,004 |
| Santa RosaSANTA ROSA BASE | 1,350 | 1,579 |
| Tansill | 1,988 | 941 |
| Yates | 2,000 | 929 |
| Yates | 2,128 | 801 |
| Seven Rivers | 2,337 | 592 |
| Queen | 2,937 | -8 |
| Queen | 3,000 | -71 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,400 | -471 |
| Grayburg | 3,550 | -621 |
| San Andres | 3,822 | -893 |
| Seven Rivers | 3,970 | -1,041 |
| Glorieta | 4,400 | -1,471 |
| Holt | 5,000 | -2,071 |
| Clear ForkCLEARFORK | 5,500 | -2,571 |
| Tubb | 6,100 | -3,171 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,463 | 3,708 | Perforated |
| 3,721 | 3,800 | Perforated |
| 3,721 | 3,889 | Perforated |
| 3,822 | 3,887 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 930 | 12.25 | 600 S |
| 5.5 | 3,925 | 8.75 | 1,400 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 22, 2019 | May 14, 2019 | — |
| 00 | Oct 11, 2016 | Sep 1, 2016 | — |
| 00 | Jan 23, 1991 | Dec 3, 1990 | — |
| 00 | Jun 27, 1988 | Jun 15, 1988 | — |
| 00 | Jan 4, 1988 | Dec 15, 1987 | Yes |
| 00 | Dec 24, 1987 | — | — |
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.
- Wellbore filings for 42-135-35633 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-35633 → scanned completion filings
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/13535633, documented in the API reference.