WELL · 42-135-37756 · DISTRICT 8
Jars Cowden #2
Ector County · Jars (Ellenburger) field · Vertical
Jars Cowden #2 (API 42-135-37756) is a well in Ector County operated by Occidental Permian Ltd., completed November 2, 1999.
The RRC has issued 2 drilling permits between 1999 and 2008, permitted to 10,200 ft.
Completion filings report 6 formation tops, including Rustler, San Andres, Clear Fork, Pennsylvanian.
Its 2 leases have reported 267K barrels of oil and 106K mcf of gas since August 1999, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Dec 4, 2025 · 6,251 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Occidental Permian Ltd. |
| Production reports | Occidental Permian Ltd.through Sep 2025 |
| Latest permit | Occidental Permian Ltd.Aug 2, 2008 |
- 10,200
- total depth, ft
- 2
- permits on file
- Aug 2, 2008
- last permit issued
- Nov 2, 1999
- completed
- 267K
- cumulative oil, bbl
- 106K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 2, 1999
- 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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Jars, Cowden O-10-36089 | Jars (Ellenburger) | Occidental Permian Ltd. | 2 | 240K | 95.3K | Aug 1999 – Jul 2026 |
| Cowden Jars O-10-39036 | Goldsmith (Devonian) | Occidental Permian Ltd. | 1 | 26.7K | 10.4K | Jul 2008 – Jul 2026 |
Oil, barrels lease total
Last 12 months 62 · prior 12 386(-84%)
Gas, mcf lease total
Last 12 months 128 · prior 12 695(-82%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Altura Energy Ltd.Aug 1999 → Apr 2000
- 2Occidental Permian Ltd.May 2000 → Sep 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 666697-99 | Recompletion | Occidental Permian Ltd. | Jul 15, 2008 | Aug 2, 2008 | Jun 23, 2008 | 9,800 |
| 486233-99 | Drill | Altura Energy Ltd. | Jul 29, 1999 | Aug 26, 1999 | Sep 1, 1999 | 10,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-36089 | — | — | — | — |
| — | — O-10-39036 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,172 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,475 | 1,697 |
| San Andres | 3,984 | -812 |
| Clear ForkCLEARFORK | 5,344 | -2,172 |
| PennsylvanianPENN DETRIAL | 7,700 | -4,528 |
| SimpsonSIMPSON/JOINS | 9,200 | -6,028 |
| Ellenburger | 9,865 | -6,693 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,918 | 8,394 | Perforated |
| 9,854 | 9,915 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,494 | 12.25 | 790 S |
| 5.5 | 9,854 | 7.875 | 3,050 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 | Feb 12, 2009 | Sep 17, 2008 | — |
| 00 | Feb 10, 2009 | Sep 17, 2008 | Yes |
| 00 | Jan 21, 2009 | Jan 31, 2000 | Yes |
| 00 | Mar 9, 2000 | Jan 31, 2000 | Yes |
| 00 | Feb 29, 2000 | — | — |
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 42-135-37756 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-37756 → 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/13537756, documented in the API reference.