WELL · 42-461-31577 · DISTRICT 7
Elkins F. F. #1
Upton County · Spraberry (Trend Area CL. Fk.) field · Vertical
Elkins F. F. #1 (API 42-461-31577) is a plugged well in Upton County, plugged April 9, 2008, last operated by Endeavor Energy Resources L.P..
The RRC has issued 2 drilling permits between 1980 and 1990, permitted to 9,150 ft.
It was permitted by Roberts & Hammack, Inc. and has since transferred to Endeavor Energy Resources L.P. on the wellbore schedule.
Completion filings report 3 formation tops, including Clear Fork, Spraberry, Dean.
Its 2 leases have reported 7.76K barrels of oil and 18K mcf of gas since January 1993, last reporting in November 2009. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Permitted by Roberts & Hammack, Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Apr 4, 2026 · 6,190 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Energy Resources L.P. |
| Production reports | Hillside Oil & Gas LLCthrough Feb 2001 |
| Latest permit | Roberts & Hammack, Inc.Nov 9, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,150
- total depth, ft
- 2
- permits on file
- Nov 9, 1990
- last permit issued
- Nov 28, 1990
- completed
- 7.76K
- cumulative oil, bbl
- 18K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2009
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 28, 1990
- Shut in
- —
- Plugged
- Apr 9, 2008
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Elkins, F. F. O-9-12954 | Spraberry (Trend Area CL. Fk.) | Endeavor Energy Resources L.P. | 1 | 3.72K | 13 | Jan 1993 – Nov 2009 |
| Elkins, F. F. O-9-8504 | Calvin (Dean) | Roberts & Hammack, Inc. | 2 | 4.04K | 18K | Jan 1993 – Jan 1996 |
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.
- 1Roberts & Hammack, Inc.Jan 1993 → Oct 1995
- 2Seco Production CompanyNov 1993 → Nov 1994
- 3Hillside Oil & Gas LLCJan 2001 → Feb 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 380745-99 | Recompletion | Roberts & Hammack, Inc. | Nov 7, 1990 | Nov 9, 1990 | Nov 14, 1990 | 9,035 |
| 79390-99 | Drill | Parma Petroleum Corp. | Apr 28, 1980 | Apr 28, 1980 | Apr 29, 1980 | 9,150 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-8504 | — | — | — | — |
| — | — O-9-12954 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,729 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,530 | -3,801 |
| SpraberrySPRABERRY (UPPER) | 6,930 | -4,201 |
| SpraberrySPRABERRY (LOWER) | 7,650 | -4,921 |
| Dean | 8,412 | -5,683 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,539 | 6,581 | Perforated |
| 8,428 | 8,960 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 410 | 12.5 | 200 S |
| 2.375 | 8,500 | — | — |
| 4.5 | 9,075 | 7.875 | 850 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 | Jan 22, 1991 | Dec 12, 1990 | Yes |
| 00 | Jan 2, 1991 | Sep 22, 1980 | — |
| 00 | Jan 12, 1984 | Sep 22, 1980 | — |
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 42-461-31577 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31577 → 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/46131577, documented in the API reference.