WELL · 42-135-02661 · DISTRICT 8
Cowden J. F. #9
Ector County · Andector (Waddell) field · Vertical
Cowden J. F. #9 (API 42-135-02661) is a well in Ector County operated by Diamond S Energy Company, completed September 23, 1948.
The RRC has issued one drilling permit, issued November 30, 1995, permitted to 8,592 ft.
It was permitted by Texaco E & P Inc. and has since transferred to Diamond S Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including McKee, Waddell, Ellenburger.
Its 5 leases have reported 4.28M barrels of oil and 4.59M mcf of gas since January 1993, last reporting in July 2026. The leases carry 58 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Texaco E & P Inc.; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jul 2, 2026
- Permits on file
- 1
- Phone
- (817) 263-3505
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamond S Energy Company |
| Production reports | Diamond S Energy Companythrough Apr 2026 |
| Latest permit | Texaco E & P Inc.Nov 30, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,592
- total depth, ft
- 1
- permits on file
- Nov 30, 1995
- last permit issued
- Sep 23, 1948
- completed
- 4.28M
- cumulative oil, bbl
- 4.59M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 23, 1948
- 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 5 leases this well is completed on; they carry 58 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cowden, J. F. O-10-237 | Andector (McKee) | Diamond S Energy Company | 4 | 78.3K | 662K | Jan 1993 – Jul 2026 |
| Cowden, J. F. O-10-240 | Andector (Waddell) | Diamond S Energy Company | 4 | 41K | 450K | Jan 1993 – Jul 2026 |
| South Fault Block Unit O-10-27818 | Andector (Ellenburger) | Maverick Permian LLC | 45 | 4.13M | 3.32M | Jan 1993 – Jul 2026 |
| Cowden, J. F. O-10-231 | Andector (Ellenburger) | Texaco E & P Inc. | 3 | 37.3K | 158K | Jan 1993 – May 2002 |
| South Fault Block Unit O-10-34602 | Andector (Ellenburger) | Texaco E & P Inc. | 2 | 0 | 0 | Aug 1995 – Apr 1996 |
Oil, barrels lease total
Last 12 months 68,619 · prior 12 65,628(+5%)
Gas, mcf lease total
Last 12 months 74,589 · prior 12 64,589(+15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Jan 1993 → May 2002
- 2Phillips Petroleum CompanyJan 1993 → Dec 2002
- 3Chevron U. S. A. Inc.Jun 2002 → Jul 2004
- 4Conocophillips CompanyJan 2003 → Mar 2022
- 5XTO Energy Inc.Aug 2004 → Oct 2004
- 6Dabb Energy CompanyNov 2004 → Apr 2012
- 7Diamond S Energy CompanyMay 2012 → Apr 2026
- 8Maverick Permian LLCApr 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 442218-99 | Recompletion | Texaco E & P Inc. | Nov 27, 1995 | Nov 30, 1995 | Apr 11, 1996 | 8,592 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-231 | — | — | — | — |
| — | — O-10-237 | — | — | — | — |
| — | — O-10-240 | — | — | — | — |
| — | — O-10-27818 | — | — | — | — |
| — | — O-10-34602 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,194 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| McKee | 7,810 | -4,616 |
| Waddell | 8,090 | -4,896 |
| Ellenburger | 8,300 | -5,106 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,848 | 7,962 | Perforated |
| 8,088 | 8,128 | Perforated |
| 8,577 | 8,587 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 281 | — | — |
| 13.375 | 295 | 17.5 | — |
| 8.625 | 3,837 | 11 | — |
| 8.625 | 3,856 | — | — |
| 2.375 | 8,516 | — | — |
| 5.5 | 8,591 | 7.875 | — |
| 5.5 | 8,592 | 7.875 | 1,560 S |
| 5.5 | 8,655 | — | — |
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 | Oct 23, 1996 | Aug 5, 1996 | Yes |
| 00 | Oct 1, 1996 | Dec 28, 1992 | — |
| 00 | Apr 4, 1996 | Dec 28, 1992 | — |
| 00 | Sep 18, 1995 | Dec 28, 1992 | — |
| 00 | Feb 23, 1993 | Dec 28, 1992 | — |
| 00 | Jan 12, 1984 | Aug 15, 1983 | — |
| 00 | Jan 12, 1984 | Feb 8, 1983 | — |
| 00 | Jan 12, 1984 | May 21, 1969 | — |
| 00 | Jan 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.
- Wellbore filings for 42-135-02661 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-02661 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- Oct 1995
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000045898 | H-1 Injection | Canceled Jun 30, 1998 | 0 | 0 | 0–0 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/13502661, documented in the API reference.