WELL · 42-135-35621 · DISTRICT 8
Cowden E. F. -12- #7
Ector County · Donnelly (San Andres) field · NO Production · Vertical
Cowden E. F. -12- #7 (API 42-135-35621) is a well in Ector County operated by Pena Bros. Oil And Gas LLC, completed October 15, 1987 and listed as no production on the RRC schedule.
The RRC has issued one drilling permit, issued August 19, 1987, permitted to 4,300 ft.
It was permitted by Eastland Oil Company, The and has since transferred to Pena Bros. Oil And Gas LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Yates, Grayburg, San Andres.
Its lease has reported 3.59K barrels of oil and 485 mcf of gas since January 1993, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Eastland Oil Company, The; the EWA schedule now lists a different operator.
Odessa, TX · P-5 Y, filed Oct 4, 2025 · (432) 294-2514
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pena Bros. Oil and Gas LLC |
| Production reports | Pena Bros. Oil and Gas, LLCthrough Jan 2026 |
| Latest permit | Eastland Oil Company, TheAug 19, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,300
- total depth, ft
- 1
- permits on file
- Aug 19, 1987
- last permit issued
- Oct 15, 1987
- completed
- 3.59K
- cumulative oil, bbl
- 485
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 15, 1987
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cowden, E. F. -12- O-10-13093 | Donnelly (San Andres) | Pena Bros. Oil and Gas, LLC | 5 | 3.59K | 485 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 619 · prior 12 780(-21%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Eastland Oil Company, TheJan 1993 → Jul 1993
- 2Baxter, Kelly H.Sep 1993 → Sep 1993
- 3Seco Production CompanyFeb 1994 → May 1994
- 4King Oil & GasDec 2011 → Jul 2012
- 5Pena Bros. Oil and Gas, LLCJul 2014 → Jan 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 334685-99 | Drill | Eastland Oil Company, The | Aug 17, 1987 | Aug 19, 1987 | — | 4,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-13093 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,020 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,663 | 357 |
| Grayburg | 3,919 | -899 |
| San Andres | 4,151 | -1,131 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,151 | 4,168 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,313 | 12.25 | 700 S |
| 5.5 | 4,245 | 7.875 | 250 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 | Nov 12, 1987 | Oct 30, 1987 | Yes |
| 00 | Nov 7, 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 42-135-35621 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-35621 → 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/13535621, documented in the API reference.