WELL · 42-135-35955 · DISTRICT 8
Cowden E. F. -D- #8
Ector County · Addis (Ellenburger) field · Vertical
Cowden E. F. -D- #8 (API 42-135-35955) is a well in Ector County operated by Amoco Production Company, completed November 15, 1988.
The RRC has issued 3 drilling permits between 1988 and 1992, permitted to 13,600 ft.
Its 3 leases have reported 263K barrels of oil and 604K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jun 29, 2015
- Permits on file
- 7,201
- Phone
- (281) 366-7061
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Amoco Production Company |
| Production reports | Aghorn Operating, Inc.through Feb 2026 |
| Latest permit | Amoco Production CompanyApr 16, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,600
- total depth, ft
- 3
- permits on file
- Apr 16, 1992
- last permit issued
- Nov 15, 1988
- completed
- 263K
- cumulative oil, bbl
- 604K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 15, 1988
- 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cowden, Elliott F.-D- O-10-183 | Addis (Strawn) | Aghorn Operating, Inc. | 3 | 263K | 604K | Jan 1993 – Jul 2026 |
| — O-10-32052 | — | — | 0 | 0 | 0 | — |
| — O-10-32948 | — | — | 0 | 0 | 0 | — |
Oil, barrels lease total
Last 12 months 1,887 · prior 12 2,428(-22%)
Gas, mcf lease total
Last 12 months 1,905 · prior 12 2,746(-31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Amoco Production CompanyJan 1993 → Jun 1994
- 2Dallas Production, Inc.Jul 1994 → Sep 1996
- 3Universal Resources Corp.Oct 1996 → Mar 1999
- 4Questar Expl. and Prod. Co.Apr 1999 → Oct 1999
- 5Maynard Oil Co.Nov 1999 → Apr 2004
- 6Forest Oil Permian CorporationMay 2004 → Dec 2009
- 7Sandridge Expl. and Prod., LLCJan 2010 → Jan 2013
- 8Sheridan Production Company, LLCFeb 2013 → Mar 2020
- 9FDL Operating, LLCAug 2020 → Nov 2021
- 10Contango Resources, Inc.Dec 2021 → Dec 2021
- 11Contango Resources, LLCJan 2022 → Sep 2025
- 12DE V Operating, LLCOct 2025 → Oct 2025
- 13Aghorn Operating, Inc.Nov 2025 → Feb 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 397654-99 | Recompletion | Amoco Production Company | Mar 20, 1992 | Apr 16, 1992 | Jun 9, 1992 | 13,200 |
| 377415-99 | Recompletion | Amoco Production Company | Aug 31, 1990 | Sep 5, 1990 | — | 13,210 |
| 350716-99 | Drill | Amoco Production Company | Aug 31, 1988 | Sep 1, 1988 | Sep 14, 1988 | 13,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-183 | — | — | — | — |
| — | — O-10-32052 | — | — | — | — |
| — | — O-10-32948 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,271 | 9,172 | Perforated |
| 10,954 | 11,000 | Perforated |
| 13,100 | 13,126 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 446 | 17.5 | 450 S |
| 9.625 | 5,520 | 12.25 | 1,050 S |
| 9.625 | 5,520 | 17.5 | 2,250 S |
| 5.5 | 13,200 | 8.75 | 2,525 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 | Sep 29, 1992 | Jul 31, 1992 | — |
| 00 | Aug 27, 1992 | — | — |
| 00 | Mar 8, 1991 | Dec 14, 1990 | Yes |
| 00 | Jan 21, 1991 | Nov 30, 1988 | Yes |
| 00 | Dec 16, 1988 | Nov 30, 1988 | Yes |
| 00 | Dec 7, 1988 | — | — |
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 42-135-35955 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-35955 → 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/13535955, documented in the API reference.