WELL · 42-461-04276 · DISTRICT 7
Ryburn C.W. a/C 2 #2
Upton County · Spraberry (Trend Area CL. Fk.) field · Vertical
Ryburn C.W. A/C 2 #2 (API 42-461-04276) is a plugged well in Upton County, plugged August 21, 1996, last operated by Diamondback E&P LLC.
The RRC has issued one drilling permit, issued April 10, 1978, permitted to 6,763 ft.
It was permitted by Mobil Oil Corporation and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Its lease has reported 17.1K barrels of oil and 47 mcf of gas since January 1993, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mobil Oil Corporation; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,237
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Endeavor Energy Resources L.P.through Jul 2024 |
| Latest permit | Mobil Oil CorporationApr 10, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,763
- total depth, ft
- 1
- permits on file
- Apr 10, 1978
- last permit issued
- Apr 9, 1978
- completed
- 17.1K
- cumulative oil, bbl
- 47
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 9, 1978
- Shut in
- —
- Plugged
- Aug 21, 1996
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 |
|---|---|---|---|---|---|---|
| Ryburn, C.W. a/C 2 O-9-7403 | Spraberry (Trend Area CL. Fk.) | Diamondback E&P LLC | 4 | 17.1K | 47 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 2(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Yegen, E. C.Jan 1993 → Mar 1993
- 2Ellison Lease OperatingApr 1993 → Nov 1996
- 3Stephens, Autry C.Dec 1996 → Aug 2000
- 4Endeavor Energy Resources L.P.Sep 2000 → Jul 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 21796-99 | Recompletion | Mobil Oil Corporation | Apr 10, 1978 | Apr 10, 1978 | — | 6,763 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-7403 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,442 | 6,660 | Perforated |
| — | 7,892 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 371 | — | — |
| 9.625 | 4,152 | — | — |
| 5 | 6,863 | — | — |
| 7 | 6,970 | — | — |
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 12, 1984 | May 22, 1978 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-461-04276 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-04276 → 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/46104276, documented in the API reference.