WELL · 42-461-01939 · DISTRICT 7
McElroy Ranch Co. 129 #12
Upton County · Wilshire (Pennsylvanian) field · Vertical
Mcelroy Ranch CO. 129 #12 (API 42-461-01939) is a plugged well in Upton County, plugged March 11, 2020, last operated by Arco Permian.
The RRC has issued 2 drilling permits between 1988 and 1997, permitted to 12,271 ft.
Completion filings report 5 formation tops, including Spraberry, Pennsylvanian, Devonian, Fusselman.
Operator of record
Houston, TX · P-5 Y, filed Feb 1, 2002 · 739 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Arco Permian |
| Production reports | Apache Corporationthrough Jul 2018 |
| Latest permit | Arco PermianMar 25, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,271
- total depth, ft
- 2
- permits on file
- Mar 25, 1997
- last permit issued
- Aug 10, 1989
- completed
- 0
- cumulative oil, bbl
- 2.88M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2020
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 10, 1989
- Shut in
- —
- Plugged
- Mar 11, 2020
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McElroy Ranch 129 G-9-163074 | Wilshire (Consolidated) | Apache Corporation | 1 | 0 | 2.88M | Apr 1997 – Mar 2020 |
| McElroy Ranch Co. 129 O-9-12713 | Wilshire (Pennsylvanian) | Arco Permian | 1 | 0 | 0 | Jan 1993 – Jun 1997 |
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.
- 1Arco PermianApr 1997 → Dec 2001
- 2BP America Production CompanyJan 2002 → Nov 2010
- 3Apache CorporationDec 2010 → Jul 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 460256-99 | Recompletion | Arco Permian | Mar 24, 1997 | Mar 25, 1997 | Mar 31, 1997 | 12,271 |
| 353095-99 | Recompletion | Chevron U. S. A. Inc. | Nov 7, 1988 | Nov 8, 1988 | — | 12,271 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-163074 | — | — | — | — |
| — | — O-9-12713 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,807 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Spraberry | 7,022 | -4,215 |
| PennsylvanianPENN | 9,350 | -6,543 |
| Devonian | 10,452 | -7,645 |
| Fusselman | 11,350 | -8,543 |
| Ellenburger | 12,124 | -9,317 |
| Ellenburger | 12,133 | -9,326 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,382 | 9,506 | Perforated |
| 10,495 | 10,515 | Perforated |
| 10,730 | 10,750 | Perforated |
| 11,040 | 11,100 | Perforated |
| — | 12,124 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 315 | 17.5 | 350 S |
| 13.375 | 315 | — | 350 S |
| 13.375 | 350 | — | — |
| 9.625 | 4,834 | 12.25 | 2,200 S |
| 9.625 | 4,834 | — | — |
| 7 | 12,161 | 8.75 | 600 S |
| 7 | 12,161 | — | — |
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 | Nov 7, 2002 | Oct 15, 2002 | — |
| 00 | Jun 26, 1997 | Jun 2, 1997 | Yes |
| 00 | Jun 11, 1997 | — | — |
| 00 | Oct 11, 1989 | Sep 6, 1989 | Yes |
| 00 | Oct 5, 1989 | — | — |
| 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 42-461-01939 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-01939 → 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/46101939, documented in the API reference.