TEXAS · WELLS · ZAVALA COUNTY · BIG WELLS (SAN MIGUEL) UNIT LEASE · API 42-507-30470 · DISTRICT 01
Big Wells (San Miguel) Unit #202
Zavala County · Big Wells (San Miguel) field · Vertical
Big Wells (San Miguel) Unit #202 (API 42-507-30470) is a plugged well in Zavala County, plugged July 16, 2014, last operated by Texas American Resources Company.
The RRC has issued one drilling permit, issued January 20, 1984, permitted to 7,207 ft.
It was permitted by Sun Expl. & Prod. CO.-Corpus and has since transferred to Texas American Resources Company on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Operator of record
Texas American Resources Company
Permitted by Sun Expl. & Prod. Co.-Corpus; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 19, 2025
- Permits on file
- 552
- Phone
- (512) 480-8700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sun Expl. & Prod. Co.-Corpus |
| Production reports | Texas American Resources Companythrough Feb 2012 |
| Latest permit | Sun Expl. & Prod. Co.-CorpusJan 20, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,207
- total depth, ft
- 1
- permits on file
- Jan 20, 1984
- last permit issued
- May 1, 2002
- completed
- 0
- cumulative oil, bbl
- 804K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 1, 2002
- Shut in
- —
- Plugged
- Jul 16, 2014
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 |
|---|---|---|---|---|---|---|
| Big Wells (San Miguel) Unit G-1-110004 | Big Wells (San Miguel) | Texas American Resources Company | 1 | 0 | 804K | Jan 1993 – Jul 2014 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Oryx Energy CompanyJan 1993 → Feb 1998
- 2Kerr-McGee Oil & Gas Onshore LLCJun 2002 → Jan 2003
- 3Texas American Resources CompanyFeb 2003 → Feb 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 226858-99 | Recompletion | Sun Expl. & Prod. Co.-Corpus | Dec 21, 1983 | Jan 20, 1984 | — | 7,207 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 1, 2002 | Big Wells (San Miguel) Unit G-1-110004 | Big Wells (San Miguel) | Texas American Resources Company | Plugged | — |
| — | Jones E.B. -B- O-1-5382 | Pearsall (Austin Chalk) | Sun Expl. & Prod. Co.-Corpus | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 639 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 6,425 | -5,786 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,334 | 5,358 | Perforated |
| 6,548 | — | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 360 | 13.75 | 235 S |
| 5.5 | 7,207 | 9.625 | 1,540 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 | Jul 5, 2002 | May 22, 2002 | — |
| 00 | May 3, 1984 | Apr 6, 1984 | — |
| 00 | Apr 28, 1984 | Apr 6, 1984 | — |
| 00 | Jan 12, 1984 | Jul 8, 1977 | — |
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 42-507-30470 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-30470 → 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/50730470, documented in the API reference.