WELL · 42-135-37545 · DISTRICT 8
Cowden Ranch 56 #1
Ector County · Cowden (Cisco) field · Vertical
Cowden Ranch 56 #1 (API 42-135-37545) is a well in Ector County operated by Rust Oil Corp., completed January 5, 1998.
The RRC has issued one drilling permit, issued September 26, 1997, permitted to 9,500 ft.
Completion filings report one formation top, including San Andres.
Its 2 leases have reported 207K barrels of oil and 623K mcf of gas since November 1997, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.
Operator of record
Fort Worth, TX · P-5 X, filed Nov 17, 2025 · 317 permits on file · (817) 732-9383
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Rust Oil Corp. |
| Production reports | Rust Oil Corp.through Jul 2018 |
| Latest permit | Rust Oil Corp.Sep 26, 1997 |
- 9,500
- total depth, ft
- 1
- permits on file
- Sep 26, 1997
- last permit issued
- Jan 5, 1998
- completed
- 207K
- cumulative oil, bbl
- 623K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 5, 1998
- 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 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cowden Ranch 656 (Cisco)unit O-10-36439 | Cowden (Cisco) | Rust Oil Corp. | 5 | 94.1K | 301K | Sep 2000 – Jul 2026 |
| Cowden Ranch "56" O-10-35598 | Cowden (Cisco) | Rust Oil Corp. | 3 | 112K | 321K | Nov 1997 – Jun 2001 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Rust Oil Corp.Nov 1997 → Jul 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 467826-99 | Drill | Rust Oil Corp. | Sep 19, 1997 | Sep 26, 1997 | Nov 2, 1997 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-35598 | — | — | — | — |
| — | — O-10-36439 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,999 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 4,050 | -1,051 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,910 | 8,915 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 305 | 17 | 325 S |
| 8.625 | 3,702 | 12.25 | 1,200 S |
| 5.5 | 9,500 | 7.875 | 1,490 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 | May 17, 2001 | Jan 9, 1998 | Yes |
| 00 | Feb 12, 1998 | Jan 9, 1998 | Yes |
| 00 | Jan 28, 1998 | — | — |
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 42-135-37545 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-37545 → 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/13537545, documented in the API reference.