WELL · 42-127-32986 · DISTRICT 1
Stumberg Ranch #1
Dimmit County · Catarina Mag (Austin Chalk) field · Horizontal
Stumberg Ranch #1 (API 42-127-32986) is a plugged horizontal well in Dimmit County, plugged April 23, 2019, last operated by Texokan Operating Inc..
The RRC has issued one drilling permit (amended once), issued February 22, 1991, permitted to 7,350 ft.
It was permitted by Maynard Oil CO. and has since transferred to Texokan Operating Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Anacacho, Anachacho, Austin Chalk, Eagle Ford.
Its 2 leases have reported 4.04K barrels of oil and 6.77K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Maynard Oil Co.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed May 29, 2025 · 9 permits on file · (214) 769-4400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texokan Operating Inc. |
| Production reports | Texokan Operating, Inc.through Jan 2016 |
| Latest permit | Maynard Oil Co.Feb 22, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,350
- total depth, ft
- 2
- permits on file
- Feb 22, 1991
- last permit issued
- Apr 21, 1992
- completed
- 4.04K
- cumulative oil, bbl
- 6.77K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 21, 1992
- Shut in
- —
- Plugged
- Apr 23, 2019
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 2 leases this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Stumberg Ranch O-1-13518 | Catarina Mag (Austin Chalk) | Texokan Operating, Inc. | 1 | 4.04K | 6.77K | Jan 1993 – Jul 2026 |
| — O-1-13141 | — | — | 0 | 0 | 0 | — |
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.
- 1Maguire Oil CompanyNov 1993 → Aug 1998
- 2Thalmann, David Vac Service IncMar 1999 → Oct 2006
- 3Botasch Operating, LLCNov 2006 → Feb 2010
- 4Texokan Operating, Inc.Jan 2016 → Jan 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 384760-98 | Drill | Maynard Oil Co. | Aug 19, 1991 | Feb 22, 1991 | — | 7,350 |
| 384760-99 | Drill | Maynard Oil Co. | Feb 19, 1991 | Feb 22, 1991 | Mar 12, 1991 | 7,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-13141 | — | — | — | — |
| — | — O-1-13518 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 521 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 5,965 | -5,444 |
| Anachacho | 5,965 | -5,444 |
| Austin Chalk | 6,270 | -5,749 |
| Eagle FordEAGLEFORD | 6,942 | -6,421 |
| Buda | 7,070 | -6,549 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,035 | 9,447 | Perforated |
| 6,035 | 9,447 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,635 | 14.75 | 935 S |
| 7.625 | 6,035 | 9.875 | 270 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 4, 1996 | Dec 13, 1995 | — |
| 00 | Jan 5, 1996 | Dec 8, 1995 | — |
| 00 | Jun 10, 1992 | May 8, 1992 | Yes |
| 00 | May 20, 1992 | — | — |
| 00 | Aug 2, 1991 | Jun 5, 1991 | Yes |
| 00 | Aug 1, 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 42-127-32986 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-32986 → 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/12732986, documented in the API reference.