WELL · 42-135-43311 · DISTRICT 8
Cowden Ranch 9 #2
Ector County · Cowden (Cisco) field · Producing · Vertical
Cowden Ranch 9 #2 (API 42-135-43311) is a well in Ector County operated by Rust Oil Corp., completed November 13, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 17, 2015, permitted to 9,700 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 92.5K barrels of oil since December 2014, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Fort Worth, TX · P-5 Y, filed Jul 4, 2026 · 317 permits on file · (817) 996-4619
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Rust Oil Corp. |
| Production reports | Rust Oil Corp.through Apr 2026 |
| Latest permit | Rust Oil Corp.Feb 17, 2015 |
- 9,700
- total depth, ft
- 2
- permits on file
- Feb 17, 2015
- last permit issued
- Nov 13, 2015
- completed
- 92.5K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 13, 2015
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cowden Ranch '9' O-10-47568 | Cowden (Cisco) | Rust Oil Corp. | 2 | 92.5K | 0 | Dec 2014 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,213 · prior 12 4,564(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Rust Oil Corp.Dec 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 801699-98 | Drill | Rust Oil Corp. | Jul 22, 2015 | Feb 17, 2015 | Aug 1, 2015 | 9,700 |
| 801699-99 | Drill | Rust Oil Corp. | Dec 12, 2014 | Feb 17, 2015 | Jul 31, 2015 | 4,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-47568 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,985 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaSANTA ROSA BASE | 1,070 | 1,915 |
| Yates | 2,450 | 535 |
| Seven Rivers | 2,875 | 110 |
| Queen | 3,050 | -65 |
| Grayburg | 3,750 | -765 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,960 | -975 |
| Holt | 4,990 | -2,005 |
| Clear ForkCLEARFORK | 5,625 | -2,640 |
| Glorieta | 5,900 | -2,915 |
| Tubb | 6,050 | -3,065 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,674 | 8,783 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 290 | 17.5 | 250 S |
| 8.625 | 5,592 | 11 | 1,030 S |
| 5.5 | 9,283 | 7.875 | 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 16, 2016 | Dec 10, 2015 | Yes |
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 42-135-43311 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-43311 → 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/13543311, documented in the API reference.