WELL · 42-461-31933 · DISTRICT 7
Elkin 30 #1
Upton County · Spraberry (Trend Area CL. Fk.) field · Vertical
Elkin 30 #1 (API 42-461-31933) is a plugged well in Upton County, plugged September 2, 2010, last operated by Endeavor Energy Resources L.P..
The RRC has issued 2 drilling permits between 1982 and 1985, permitted to 9,400 ft.
It was permitted by Cass Oil Company and has since transferred to Endeavor Energy Resources L.P. on the wellbore schedule.
Completion filings report one formation top, including Clear Fork.
Its lease has reported 6.05K barrels of oil and 23 mcf of gas since January 1993, last reporting in October 2010. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Permitted by Cass Oil Company; 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 | Cass Oil CompanyJun 18, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,400
- total depth, ft
- 2
- permits on file
- Jun 18, 1985
- last permit issued
- May 15, 1985
- completed
- 6.05K
- cumulative oil, bbl
- 23
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 15, 1985
- Shut in
- —
- Plugged
- Sep 2, 2010
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Elkin 30 O-9-11446 | Spraberry (Trend Area CL. Fk.) | Endeavor Energy Resources L.P. | 2 | 6.05K | 23 | Jan 1993 – Oct 2010 |
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.
- 1Seco Production CompanyJan 1993 → Nov 1994
- 2Hillside Oil & Gas LLCJan 2001 → Feb 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 278008-99 | Recompletion | Cass Oil Company | May 31, 1985 | Jun 18, 1985 | — | 6,800 |
| 168042-99 | Drill | Cass, Frank | Aug 3, 1982 | Aug 3, 1982 | — | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-11446 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,727 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,538 | -3,811 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,566 | 6,579 | Perforated |
| 8,461 | 9,124 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 14 | 44 | 20 | — |
| 8.625 | 4,070 | 11 | — |
| 2.375 | 8,800 | — | — |
| 4.5 | 9,207 | 7.875 | — |
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 | Jul 16, 1985 | Jun 26, 1985 | — |
| 00 | Jul 13, 1985 | — | — |
| 00 | Jan 12, 1984 | Oct 4, 1982 | — |
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 42-461-31933 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31933 → 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/46131933, documented in the API reference.