WELL · 42-461-02257 · DISTRICT 7
McElroy Ranch #9
Upton County · Wilshire (Pennsylvanian) field · Vertical
Mcelroy Ranch #9 (API 42-461-02257) is a plugged well in Upton County, plugged June 17, 2026, last operated by Apache Corporation.
The RRC has issued 2 drilling permits (amended once) between 1995 and 1998, permitted to 12,483 ft.
It was permitted by Arco Permian and has since transferred to Apache Corporation on the wellbore schedule.
Completion filings report 6 formation tops, including San Andres, Leonard, Spraberry, Dean.
Its 3 leases have reported 304K barrels of oil and 4.84M mcf of gas since January 1993, last reporting in July 2026. The leases carry 17 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Arco Permian; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 3, 2025
- Permits on file
- 9,756
- Phone
- (713) 954-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Apr 2026 |
| Latest permit | Arco PermianJul 16, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,483
- total depth, ft
- 3
- permits on file
- Jul 16, 1998
- last permit issued
- May 25, 1971
- completed
- 304K
- cumulative oil, bbl
- 4.84M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 25, 1971
- Shut in
- —
- Plugged
- Jun 17, 2026
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 3 leases this well is completed on; they carry 17 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McElroy Ranch O-9-2146 | Wilshire (Pennsylvanian) | Apache Corporation | 9 | 54.2K | 1.6M | Jan 1993 – Jul 2026 |
| McElroy Ranch 129 O-9-14468 | Spraberry (Trend Area) | Apache Corporation | 7 | 230K | 3.19M | Aug 1996 – Jul 2026 |
| McElroy Ranch O-9-14403 | Wilshire (Leonard) | Arco Permian | 1 | 20.1K | 53.9K | Jun 1996 – Nov 1998 |
Gas, mcf lease total
Last 12 months 26,728 · prior 12 34,568(-23%)
Oil, barrels lease total
Last 12 months 1,305 · prior 12 1,869(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Arco Oil & Gas Co.Jan 1993 → May 1994
- 2Arco PermianJun 1994 → Dec 2001
- 3BP America Production CompanyJan 2002 → Nov 2010
- 4Apache CorporationDec 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 478028-99 | Recompletion | Arco Permian | Jul 16, 1998 | Jul 16, 1998 | Aug 10, 1998 | 12,483 |
| 439366-98 | Recompletion | Arco Permian | Jun 27, 1996 | Aug 29, 1995 | Sep 8, 1995 | 12,483 |
| 439366-99 | Recompletion | Arco Permian | Aug 28, 1995 | Aug 29, 1995 | — | 12,483 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-2146 | — | — | — | — |
| — | — O-9-14403 | — | — | — | — |
| — | — O-9-14468 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,813 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 4,737 | -1,924 |
| Leonard | 7,045 | -4,232 |
| Spraberry | 7,178 | -4,365 |
| Dean | 8,343 | -5,530 |
| Wolfcamp | 8,490 | -5,677 |
| Wolfcamp | 8,504 | -5,691 |
| PennsylvanianPENN | 9,485 | -6,672 |
| PennsylvanianPENN (STRAWN) | 9,492 | -6,679 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,180 | 8,150 | Perforated |
| 8,530 | 8,550 | Perforated |
| 8,700 | 8,720 | Perforated |
| 8,880 | 8,900 | Perforated |
| 9,496 | 9,624 | Perforated |
| — | 12,200 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 168 | — | 200 S |
| 9.625 | 4,789 | — | 2,500 S |
| 5.5 | 12,482 | 8.75 | 650 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 | Dec 10, 1998 | Nov 13, 1998 | Yes |
| 00 | Nov 19, 1998 | — | — |
| 00 | Aug 5, 1996 | Jul 10, 1996 | — |
| 00 | Jul 16, 1996 | Jun 3, 1971 | — |
| 00 | Jan 12, 1984 | Jun 3, 1971 | — |
| 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 42-461-02257 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-02257 → 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/46102257, documented in the API reference.