WELL · 42-445-31577 · DISTRICT 8
Winn #1
Terry County · Tokio South (Leonard) field · Producing · Vertical
Winn #1 (API 42-445-31577) is a well in Terry County operated by Socorro Exploration Inc., completed January 9, 1990 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 26, 1989, permitted to 8,000 ft.
It was permitted by Coastal Oil & Gas Corporation and has since transferred to Socorro Exploration Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Clear Fork, Leonard.
Its lease has reported 90.2K barrels of oil and 5.97K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Coastal Oil & Gas Corporation; the EWA schedule now lists a different operator.
Lubbock, TX · P-5 Y, filed Feb 4, 2026 · 87 permits on file · (806) 781-9722
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Socorro Exploration Inc. |
| Production reports | Socorro Exploration, Inc.through Apr 2026 |
| Latest permit | Coastal Oil & Gas CorporationSep 26, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 2
- permits on file
- Sep 26, 1989
- last permit issued
- Jan 9, 1990
- completed
- 90.2K
- cumulative oil, bbl
- 5.97K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 9, 1990
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Winn O-11-66459 | Tokio, South (Leonard) | Socorro Exploration, Inc. | 1 | 90.2K | 5.97K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,782 · prior 12 1,853(-4%)
Gas, mcf lease total
Last 12 months 12 · prior 12 12(+0%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Coastal Oil & Gas CorporationJan 1993 → Feb 1997
- 2Apache CorporationMar 1997 → Apr 1999
- 3Scythian, Ltd.May 1999 → Apr 2006
- 4Endeavor Energy Resources L.P.May 2006 → Mar 2019
- 5Socorro Exploration, Inc.Apr 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 364398-98 | Drill | Coastal Oil & Gas Corporation | Jan 24, 1990 | Sep 26, 1989 | — | 7,970 |
| 364398-99 | Drill | Coastal Oil & Gas Corporation | Sep 26, 1989 | Sep 26, 1989 | — | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-66459 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,438 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkUPPER CLEARFORK | 7,334 | -3,896 |
| LeonardLEONARD SAND | 7,822 | -4,384 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,880 | 7,894 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 452 | 17.5 | 450 S |
| 8.625 | 5,097 | 11 | 400 S |
| 5.5 | 7,970 | 7.875 | 525 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 14, 1990 | Jan 22, 1990 | Yes |
| 00 | Feb 10, 1990 | — | — |
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 42-445-31577 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-445-31577 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/44531577, documented in the API reference.