WELL · 42-461-34020 · DISTRICT 7
Stumhoffer #4
Upton County · Spraberry (Trend Area) field · Vertical
Stumhoffer #4 (API 42-461-34020) is a plugged well in Upton County, plugged July 2, 2022, last operated by Diamondback E&P LLC.
The RRC has issued one drilling permit, issued December 9, 1999, permitted to 8,800 ft.
It was permitted by Energen Resources Corporation and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Jo Mill, Dean.
Its lease has reported 93.9K barrels of oil and 666K mcf of gas since January 1993, last reporting in July 2022. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Energen Resources Corporation; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Energen Resources Corporationthrough Nov 2017 |
| Latest permit | Energen Resources CorporationDec 9, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,800
- total depth, ft
- 1
- permits on file
- Dec 9, 1999
- last permit issued
- Jan 22, 2000
- completed
- 93.9K
- cumulative oil, bbl
- 666K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 22, 2000
- Shut in
- —
- Plugged
- Jul 2, 2022
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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Stumhoffer O-9-12525 | Spraberry (Trend Area) | Diamondback E&P LLC | 4 | 93.9K | 666K | Jan 1993 – Jul 2022 |
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.
- 1BC Operating, Inc.Jan 1993 → Feb 1998
- 2Taurus Exploration U.S.A., Inc.Mar 1998 → Nov 1998
- 3Energen Resources CorporationDec 1998 → Feb 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 490182-99 | Drill | Energen Resources Corporation | Dec 9, 1999 | Dec 9, 1999 | Dec 29, 1999 | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-12525 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,786 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear Fork | 7,115 | -4,329 |
| Spraberry | 7,470 | -4,684 |
| SpraberryLOWER SPRABERRY | 8,105 | -5,319 |
| Jo Mill | 8,390 | -5,604 |
| Dean | 8,700 | -5,914 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,774 | 7,834 | Perforated |
| 8,108 | 8,700 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 359 | 11 | 250 S |
| 4.5 | 8,795 | 7.875 | 1,100 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 | May 15, 2000 | Mar 22, 2000 | Yes |
| 00 | Mar 31, 2000 | — | — |
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 42-461-34020 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-34020 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/46134020, documented in the API reference.