WELL · 42-127-32956 · DISTRICT 1
Frost National Bank Trustee #12
Dimmit County · Dent Ingram (Olmos 5) field · Vertical
Frost National Bank Trustee #12 (API 42-127-32956) is a well in Dimmit County operated by Oilton Resources Inc., completed February 3, 1991.
The RRC has issued one drilling permit (amended once), issued November 12, 1990, permitted to 3,900 ft.
It was permitted by San Antonio Gas & Oil, Inc. and has since transferred to Oilton Resources Inc. on the wellbore schedule.
Completion filings report one formation top, including Olmos.
Its lease has reported 4.07K barrels of oil and 22 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by San Antonio Gas & Oil, Inc.; the EWA schedule now lists a different operator.
Laredo, TX · P-5 Y, filed Oct 4, 2025 · 3 permits on file · (956) 763-8980
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Oilton Resources Inc. |
| Production reports | Martineau Petroleum, Inc.through Nov 2015 |
| Latest permit | San Antonio Gas & Oil, Inc.Nov 12, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,900
- total depth, ft
- 2
- permits on file
- Nov 12, 1990
- last permit issued
- Feb 3, 1991
- completed
- 4.07K
- cumulative oil, bbl
- 22
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 3, 1991
- 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 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 |
|---|---|---|---|---|---|---|
| Frost National Bank Trustee O-1-12903 | Dent Ingram (Olmos 5) | Oilton Resources, Inc. | 1 | 4.07K | 22 | Jan 1993 – Jul 2026 |
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.
- 1San Antonio Gas & Oil, Inc.Jan 1993 → May 1995
- 2Pinto Oil Co.Jul 1995 → Jul 1995
- 3Osina Oil & GasAug 1995 → Jun 2004
- 4Thalmann, David Vac Service IncJul 2004 → Oct 2006
- 5Botasch Operating, LLCNov 2006 → Mar 2010
- 6Stonegate Operators, Inc.May 2010 → Dec 2010
- 7Texokan Operating, Inc.Mar 2011 → Jul 2015
- 8Martineau Petroleum, Inc.Aug 2015 → Nov 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 380612-98 | Drill | San Antonio Gas & Oil, Inc. | Feb 14, 1991 | Nov 12, 1990 | — | 3,900 |
| 380612-99 | Drill | San Antonio Gas & Oil, Inc. | Nov 5, 1990 | Nov 12, 1990 | Nov 15, 1990 | 3,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12903 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 499 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Olmos | 3,600 | -3,101 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,591 | 3,636 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,015 | 10.25 | 430 S |
| 4.5 | 2,846 | 7.875 | 715 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 | Mar 22, 1991 | Feb 13, 1991 | Yes |
| 00 | Mar 8, 1991 | — | — |
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 42-127-32956 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-32956 → 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/12732956, documented in the API reference.