WELL · 42-135-36441 · DISTRICT 8
Cowden #1
Ector County · Three Nags (Ellenburger) field · Vertical
Cowden #1 (API 42-135-36441) is a well in Ector County operated by Penwell Energy Inc., completed June 8, 1991.
The RRC has issued 2 drilling permits between 1991 and 1992, permitted to 13,500 ft.
Completion filings report 7 formation tops, including Pennsylvanian, Fusselman, Simpson, Wado.
Its 2 leases have reported 151K barrels of oil and 128K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Active, filed Jun 17, 2026 · 132 permits on file · (713) 782-1311
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Penwell Energy Inc. |
| Production reports | Petexthrough Apr 2026 |
| Latest permit | Penwell Energy, Inc.Apr 3, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,500
- total depth, ft
- 2
- permits on file
- Apr 3, 1992
- last permit issued
- Jun 8, 1991
- completed
- 151K
- cumulative oil, bbl
- 128K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 8, 1991
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cowden O-10-33431 | Harper, W. (Pennsylvanian) | Petex | 2 | 151K | 128K | Jan 1993 – Jul 2026 |
| — O-10-33227 | — | — | 0 | 0 | 0 | — |
Oil, barrels lease total
Last 12 months 621 · prior 12 1,123(-45%)
Gas, mcf lease total
Last 12 months 0 · prior 12 67(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Penwell Energy, Inc.Jan 1993 → May 1996
- 2Armor Petroleum, Inc.Jun 1996 → Dec 2022
- 3PetexJan 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 397840-99 | Recompletion | Penwell Energy, Inc. | Mar 27, 1992 | Apr 3, 1992 | Feb 13, 1992 | 12,365 |
| 386394-99 | Drill | Penwell Energy, Inc. | Apr 4, 1991 | Apr 17, 1991 | Apr 19, 1991 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-33227 | — | — | — | — |
| — | — O-10-33431 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,012 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pennsylvanian | 9,288 | -6,276 |
| Fusselman | 11,670 | -8,658 |
| Fusselman | 11,690 | -8,678 |
| Simpson | 11,980 | -8,968 |
| Wado | 12,450 | -9,438 |
| Connel | 12,550 | -9,538 |
| Connell | 12,550 | -9,538 |
| Ellenburger | 12,628 | -9,616 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,630 | 8,640 | Perforated |
| 8,852 | 8,862 | Perforated |
| 9,070 | 9,080 | Perforated |
| 9,254 | 9,258 | Perforated |
| 9,288 | 9,298 | Perforated |
| 12,628 | 12,710 | Perforated |
| 12,628 | 12,710 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 276 | 17.25 | 200 S |
| 8.625 | 5,852 | 11 | 1,845 S |
| 8.625 | 5,852 | 12.25 | 3,069 S |
| 5.5 | 12,628 | 7.875 | 2,290 S |
| 8.625 | — | 12.25 | 1,224 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 | Jan 11, 1994 | Nov 2, 1993 | — |
| 00 | Dec 28, 1992 | Oct 8, 1992 | — |
| 00 | May 7, 1992 | Mar 19, 1992 | Yes |
| 00 | Apr 9, 1992 | — | — |
| 00 | Aug 22, 1991 | Jul 16, 1991 | Yes |
| 00 | Aug 2, 1991 | — | — |
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 42-135-36441 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-36441 → 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/13536441, documented in the API reference.