WELL · 42-371-31304 · DISTRICT 8
Gray Nelle #12S
Pecos County · Four C (Clear Fork) field · Vertical
Gray Nelle #12S (API 42-371-31304) is a well in Pecos County operated by Warren Joe H., completed March 16, 1975.
The RRC has issued one drilling permit, issued May 29, 1997, permitted to 2,400 ft.
Completion filings report one formation top, including San Andres.
Its 3 leases have reported 1.27M barrels of oil and 36.5K mcf of gas since January 1993, last reporting in July 2026. The leases carry 51 wells, so these are lease totals, not this well alone.
Operator of record
Dallas, TX · P-5 Y, filed Sep 14, 2001 · 22 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Warren Joe H. |
| Production reports | Saguaro Petroleum, LLCthrough Mar 2026 |
| Latest permit | Warren, Joe H.May 29, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,400
- total depth, ft
- 1
- permits on file
- May 29, 1997
- last permit issued
- Mar 16, 1975
- completed
- 1.27M
- cumulative oil, bbl
- 36.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 16, 1975
- 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 3 leases this well is completed on; they carry 51 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Four C San Andres Unit O-10-34031 | Four C (San Andres) | Saguaro Petroleum, LLC | 38 | 1.25M | 35.7K | Nov 1993 – Jul 2026 |
| Four C Clearfork Unit O-10-32539 | Four C (Clear Fork) | Four C Oil & Gas Corp. | 9 | 19K | 793 | Jan 1993 – Dec 2023 |
| Gray, Nelle O-10-23561 | Four C (Clear Fork) | Warren, Joe H. | 4 | 1.23K | 51 | Jan 1993 – Oct 1999 |
Oil, barrels lease total
Last 12 months 18,381 · prior 12 21,279(-14%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Warren, Joe H.Jan 1993 → Oct 2001
- 2Four C Oil & Gas Corp.Nov 2001 → Apr 2023
- 3Saguaro Petroleum, LLCMay 2023 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 462755-99 | Recompletion | Warren, Joe H. | May 22, 1997 | May 29, 1997 | Jun 1, 1997 | 2,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-23561 | — | — | — | — |
| — | — O-10-32539 | — | — | — | — |
| — | — O-10-32539 | — | — | — | — |
| — | — O-10-34031 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 9 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 2,298 | -2,289 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,285 | 2,332 | Perforated |
| 3,830 | 3,856 | Perforated |
| 3,833 | 3,893 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 688 | 11 | 290 S |
| 7 | 2,321 | 7.875 | 475 S |
| 4.5 | 4,037 | 6.25 | 425 S |
| 4.5 | 4,087 | 6.25 | 425 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 16, 1997 | Jun 20, 1997 | Yes |
| 00 | Sep 4, 1997 | — | — |
| 00 | Dec 6, 1991 | Nov 14, 1991 | — |
| 00 | Nov 27, 1991 | — | — |
| 00 | Apr 25, 1990 | Apr 14, 1975 | — |
| 00 | Mar 20, 1990 | — | — |
| 00 | Mar 14, 1990 | — | — |
| 00 | Jan 12, 1984 | Apr 14, 1975 | — |
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 42-371-31304 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-31304 → 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/37131304, documented in the API reference.