WELL · 42-127-31854 · DISTRICT 1
Stumberg Ranch #1
Dimmit County · Stumberg (Olmos 4150) field · Vertical
Stumberg Ranch #1 (API 42-127-31854) is a plugged well in Dimmit County, plugged November 2, 2011, last operated by Kerns Petroleum Inc..
The RRC has issued one drilling permit, issued August 28, 1979, permitted to 4,700 ft.
It was permitted by Mormac Oil & Gas CO. and has since transferred to Kerns Petroleum Inc. on the wellbore schedule.
Its 2 leases have reported 11.4K barrels of oil and 52K mcf of gas since January 1993, last reporting in November 2011. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mormac Oil & Gas Co.; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Jan 8, 2016 · 12 permits on file · (210) 667-0750
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Kerns Petroleum Inc. |
| Production reports | Kerns Petroleum, Inc.through Dec 2010 |
| Latest permit | Mormac Oil & Gas Co.Aug 28, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,700
- total depth, ft
- 1
- permits on file
- Aug 28, 1979
- last permit issued
- —
- completed
- 11.4K
- cumulative oil, bbl
- 52K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Nov 2, 2011
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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Stumberg Ranch G-1-233045 | Stumberg (Olmos 4150) | Kerns Petroleum, Inc. | 1 | 0 | 3.35K | Sep 2006 – Nov 2011 |
| Stumberg Ranch-Mormac O-1-5987 | Stumberg (Olmos 4150) | Kerns Petroleum, Inc. | 3 | 11.4K | 48.7K | Jan 1993 – Jul 2011 |
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.
- 1Buffalo Oil Corp.Feb 1994 → Dec 1994
- 2Kerns O & G, Inc.Mar 1995 → Jun 2004
- 3Tasajillo Energy, Inc.Sep 2004 → Dec 2004
- 4Kerns Petroleum, Inc.Jan 2005 → Dec 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 56613-99 | Drill | Mormac Oil & Gas Co. | Aug 28, 1979 | Aug 28, 1979 | — | 4,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-233045 | — | — | — | — |
| — | — O-1-5987 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,167 | 4,195 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 175 | 12.25 | 150 S |
| 2.375 | 4,098 | — | — |
| 4.5 | 4,445 | 7.875 | 1,200 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 29, 2008 | Oct 5, 2006 | — |
| 00 | Feb 13, 2008 | — | — |
| 00 | Jan 12, 1984 | Oct 10, 1979 | — |
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 42-127-31854 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-31854 → 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/12731854, documented in the API reference.