WELL · 42-323-31325 · DISTRICT 1
Winn Ranch #1A
Maverick County · Los Quatros S. (Lower Cret.) field · Vertical
Winn Ranch #1A (API 42-323-31325) is a plugged well in Maverick County, plugged February 19, 2008, last operated by Winn Exploration CO. Inc..
The RRC has issued one drilling permit, issued January 24, 1979, permitted to 8,500 ft.
It was permitted by Machii-Ross Petroleum CO. and has since transferred to Winn Exploration CO. Inc. on the wellbore schedule.
Completion filings report 6 formation tops, including Edwards, Glen Rose, Rodessa, Pearsal.
Operator of record
Permitted by Machii-Ross Petroleum Co.; the EWA schedule now lists a different operator.
- Based in
- Corpus Christ, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Dec 11, 2015
- Permits on file
- 344
- Phone
- (361) 844-6900
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Winn Exploration Co. Inc. |
| Production reports | none |
| Latest permit | Machii-Ross Petroleum Co.Jan 24, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 1
- permits on file
- Jan 24, 1979
- last permit issued
- Apr 27, 1979
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 27, 1979
- Shut in
- —
- Plugged
- Feb 19, 2008
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 Ranch G-1-117707 | Los Quatros, S. (Lower Cret.) | Winn Exploration Co., Inc. | 1 | 0 | 0 | Jan 1993 – Feb 2008 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 41359-99 | Drill | Machii-Ross Petroleum Co. | Jan 24, 1979 | Jan 24, 1979 | — | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-117707 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 826 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Edwards | 4,820 | -3,994 |
| Glen RoseGLENROSE | 6,350 | -5,524 |
| Rodessa | 7,225 | -6,399 |
| Pearsal | 7,600 | -6,774 |
| James LimeJAMES | 8,000 | -7,174 |
| Sligo | 8,145 | -7,319 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,857 | 8,400 | Perforated |
| 6,857 | 8,955 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,437 | 14.75 | 1,200 S |
| 7.625 | 6,857 | 9.875 | 2,800 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 18, 1985 | Dec 17, 1984 | — |
| 00 | Aug 31, 1985 | — | — |
| 00 | Jan 12, 1984 | Jun 10, 1980 | — |
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 42-323-31325 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-323-31325 → 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/32331325, documented in the API reference.