TEXAS · WELLS · UPTON COUNTY · STUMHOFFER LEASE · API 42-461-31598 · DISTRICT 6E
Stumhoffer #2
Upton County · Spraberry (Trend Area) field · Vertical
- Fields on the latest permit · any of 2
- Spraberry (Trend Area) · Spraberry (Trend Area CL. Fk.)
- Not one formation; the well must be completed in one of them, and no target formation is stated.
Stumhoffer #2 (API 42-461-31598) is a plugged well in Upton County, plugged September 23, 1992, last operated by Apache Corporation.
The RRC has issued one drilling permit, issued June 16, 1980, permitted to 9,200 ft.
It was permitted by Tamarack Petroleum Company, Inc. and has since transferred to Apache Corporation on the wellbore schedule.
Its lease has reported 21K barrels of oil and 219K mcf of gas since the record begins in January 1993, with no volume in the three years through August 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Tamarack Petroleum Company, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 3, 2025
- Permits on file
- 9,759
- Phone
- (713) 954-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Jul 2008 |
| Latest permit | Tamarack Petroleum Company, Inc.Jun 16, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,200
- total depth, ft
- 1
- permits on file
- Jun 16, 1980
- last permit issued
- Jun 22, 1981
- completed
- 21K
- cumulative oil, bbl
- 219K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH JUL 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 22, 1981
- Shut in
- —
- Plugged
- Sep 23, 1992
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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Stumhoffer O-9-8937 | Spraberry (Trend Area) | Apache Corporation | 2 | 21K | 219K | by Jan 1993 – Jul 2008 |
No volumes reported on these leases in the last three years.
Wells named Stumhoffer
Apache Corporation's other wells filed under this lease name in Upton County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Tamarack Petroleum Company, Inc.Jan 1993 → Nov 2007
- 2Mariner Energy, Inc.Dec 2007 → Jun 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 84085-99 | Drill | Tamarack Petroleum Company, Inc. | Jun 16, 1980 | Jun 16, 1980 | — | 9,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 22, 1981 | Stumhoffer O-9-8937 | Spraberry (Trend Area) | Apache Corporation | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,504 | 9,061 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 464 | 12.25 | 400 S |
| 2.375 | 7,766 | — | — |
| 4.5 | 9,200 | 7.875 | 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | Jul 9, 1981 | — |
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 42-461-31598 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31598 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/46131598, documented in the API reference.