WELL · 42-103-30793 · DISTRICT 8
Cowden, Jerry #8
Crane County · Vertical
Cowden, Jerry #8 (API 42-103-30793) is a permitted well in Crane County filed by Union Oil Company Of California; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1986 and 1993, permitted to 3,340 ft.
Completion filings report 5 formation tops, including Grayberg, Grayburg, San Andres, Glorieta.
Its 2 leases have reported 108K barrels of oil and 429K mcf of gas since January 1993, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
Union Oil Company of California
- Based in
- Midland, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Nov 18, 2020
- Permits on file
- 2,336
- Phone
- (866) 212-1212
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Olsen Energy Inc.through Apr 2026 |
| Latest permit | Union Oil Company of CaliforniaJun 3, 1993 |
- 3,340
- total depth, ft
- 2
- permits on file
- Jun 3, 1993
- last permit issued
- —
- completed
- 108K
- cumulative oil, bbl
- 429K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cowden, Jerry O-10-22844 | Bayview, W. (Glorieta) | Olsen Energy Inc. | 5 | 85.4K | 377K | Jan 1993 – Jul 2026 |
| Cowden, Jerry O-10-33901 | Bayview (San Andres, Middle) | Olsen Energy Inc. | 1 | 23.1K | 52.6K | Jun 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,782 · prior 12 1,587(+12%)
Gas, mcf lease total
Last 12 months 0 · prior 12 1,844(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Oil Company of CaliforniaJan 1993 → Oct 1994
- 2Dallas Production, Inc.Nov 1994 → Sep 1996
- 3Universal Resources Corp.Oct 1996 → Mar 1999
- 4Questar Expl. and Prod. Co.Apr 1999 → Oct 1999
- 5Maynard Oil Co.Nov 1999 → Jan 2004
- 6Endeavor Energy Resources L.P.Feb 2004 → Nov 2023
- 7Silver Cross Energy Partners LLCDec 2023 → Dec 2024
- 8Olsen Energy Inc.Jan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 412369-99 | Recompletion | Union Oil Company of California | Jun 2, 1993 | Jun 3, 1993 | Jun 23, 1993 | 2,500 |
| 304416-99 | Recompletion | Union Oil Company of California | Jun 30, 1986 | Jul 22, 1986 | — | 3,340 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-22844 | — | — | — | — |
| — | — O-10-33901 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,332 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayberg | 1,912 | 420 |
| Grayburg | 1,912 | 420 |
| San Andres | 2,091 | 241 |
| Glorieta | 2,755 | -423 |
| Clear ForkCLEARFORK | 3,016 | -684 |
| Clear ForkCLEARFORK | 3,018 | -686 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,117 | 2,238 | Perforated |
| 2,117 | 2,308 | Perforated |
| 2,257 | 2,308 | Perforated |
| 3,036 | 3,061 | Perforated |
| 3,150 | 3,340 | Perforated |
| 3,150 | 3,340 | Open hole |
| — | 3,061 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 610 | 11 | 350 S |
| 8.625 | 611 | 11 | 350 S |
| 5.5 | 3,150 | 7.875 | 550 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 25, 1998 | Jun 29, 1998 | — |
| 00 | Nov 5, 1993 | Jul 28, 1993 | Yes |
| 00 | Aug 6, 1993 | — | — |
| 00 | Jan 12, 1984 | Jul 12, 1973 | — |
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 42-103-30793 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-30793 → 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/10330793, documented in the API reference.