WELL · 42-461-31891 · DISTRICT 7
McClure W. W. a/C 1 #9
Upton County · King Mountain (Ellenburger) field · Vertical
Mcclure W. W. A/C 1 #9 (API 42-461-31891) is a well in Upton County operated by Oryx Energy Company, completed February 1, 1984.
The RRC has issued 2 drilling permits between 1982 and 1986, permitted to 11,850 ft.
It was permitted by Sun Expl. & Prod. CO.-Midland and has since transferred to Oryx Energy Company on the wellbore schedule.
Completion filings report 19 formation tops, including Rustler, Yates, San Andres, Wolfcamp.
Its lease has reported 368K barrels of oil and 6.76M mcf of gas since January 1993, last reporting in July 2026. The lease carries 12 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Sun Expl. & Prod. Co.-Midland; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Feb 5, 1999 · 1,627 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Oryx Energy Company |
| Production reports | Winn Operating, LLCthrough Apr 2026 |
| Latest permit | Sun Expl. & Prod. Co.-MidlandFeb 25, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,850
- total depth, ft
- 2
- permits on file
- Feb 25, 1986
- last permit issued
- Feb 1, 1984
- completed
- 368K
- cumulative oil, bbl
- 6.76M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 1, 1984
- Shut in
- —
- Plugged
- —
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 12 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McClure, W. W. a/C 1 O-9-2511 | King Mountain (Devonian) | Winn Operating, LLC | 12 | 368K | 6.76M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 102,584 · prior 12 119,468(-14%)
Oil, barrels lease total
Last 12 months 5,376 · prior 12 5,626(-4%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Oryx Energy CompanyJan 1993 → Mar 1995
- 2Samson Hydrocarbons CompanyApr 1995 → Jul 1996
- 3Samson Lone Star LPAug 1996 → Jun 2007
- 4Samson Lone Star, LLCJul 2007 → Dec 2010
- 5Three Rivers Operating Co LLCJan 2011 → Jul 2012
- 6COG Operating LLCAug 2012 → May 2025
- 7Winn Operating, LLCJun 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 298454-99 | Recompletion | Sun Expl. & Prod. Co.-Midland | Jan 30, 1986 | Feb 25, 1986 | — | 11,553 |
| 152733-99 | Drill | Sun Expl. & Prod. Co.-Midland | Mar 10, 1982 | Mar 10, 1982 | Nov 3, 1983 | 11,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-2511 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,057 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,782 | 1,275 |
| Yates | 2,562 | 495 |
| San Andres | 3,935 | -878 |
| Wolfcamp | 7,516 | -4,459 |
| Cisco | 7,757 | -4,700 |
| Canyon | 8,111 | -5,054 |
| Strawn | 8,427 | -5,370 |
| Atoka | 8,550 | -5,493 |
| BendBEND SHALE | 8,855 | -5,798 |
| Woodford | 9,353 | -6,296 |
| Devonian | 9,488 | -6,431 |
| Silurian (undifferentiated)SILURIAN | 10,306 | -7,249 |
| Fusselman | 10,357 | -7,300 |
| Montoya | 10,418 | -7,361 |
| Simpson | 10,513 | -7,456 |
| Fusselman2ND FUSSELMAN | 10,567 | -7,510 |
| Montoya2ND MONTOYA | 10,633 | -7,576 |
| Simpson2ND SIMPSON | 10,727 | -7,670 |
| McKee | 10,896 | -7,839 |
| Waadell | 11,256 | -8,199 |
| Connell | 11,390 | -8,333 |
| Joins | 11,424 | -8,367 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,521 | 9,575 | Perforated |
| 9,521 | 9,984 | Perforated |
| 11,454 | 11,466 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 670 | 17.5 | 725 S |
| 8.625 | 4,193 | 11 | 2,000 S |
| 5.5 | 11,553 | 7.875 | 1,500 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 18, 1990 | Apr 27, 1990 | — |
| 00 | Apr 18, 1986 | Apr 11, 1986 | — |
| 00 | Apr 17, 1986 | — | — |
| 00 | Apr 3, 1984 | Mar 5, 1984 | — |
| 00 | Mar 9, 1984 | Mar 5, 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 42-461-31891 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31891 → 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/46131891, documented in the API reference.