WELL · 42-329-00244 · DISTRICT 8
Cox Unit 54 #1 #1054
Midland County · Spraberry (Trend Area) field · Vertical
Cox Unit 54 #1 #1054 (API 42-329-00244) is a plugged well in Midland County, plugged May 26, 2026, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued one drilling permit, issued April 23, 1991, permitted to 11,453 ft.
It was permitted by Baxter, Murphy H. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Spraberry, Dean.
Its 2 leases have reported 70.9K barrels of oil and 818K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Baxter, Murphy H.; the EWA schedule now lists a different operator.
Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Mar 2023 |
| Latest permit | Baxter, Murphy H.Apr 23, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,453
- total depth, ft
- 1
- permits on file
- Apr 23, 1991
- last permit issued
- Aug 2, 1991
- completed
- 70.9K
- cumulative oil, bbl
- 818K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 2, 1991
- Shut in
- —
- Plugged
- May 26, 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 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cox Unit "54" #1 O-10-33341 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 58.6K | 102K | Jan 1993 – Jul 2026 |
| Cox Unit "54" #2 O-10-24442 | Azalea (Devonian) | Pioneer Natural Res. USA, Inc. | 2 | 12.3K | 717K | Jan 1993 – Jun 2022 |
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.
- 1Baxter, Murphy H.Jan 1993 → Sep 1998
- 2Wing CorporationOct 1998 → Jun 2000
- 3Alpine Resources, Inc.Jul 2000 → Jun 2001
- 4Endeavor Energy Resources L.P.Jul 2001 → Jun 2019
- 5DE3 Operating LLCJul 2019 → May 2021
- 6Pioneer Natural Res. USA, Inc.Jun 2021 → Mar 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 386873-99 | Recompletion | Baxter, Murphy H. | Apr 17, 1991 | Apr 23, 1991 | Jul 22, 1991 | 11,453 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-24442 | — | — | — | — |
| — | — O-10-33341 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,707 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,053 | 8,325 | Perforated |
| 8,697 | 8,934 | Perforated |
| 11,366 | 11,398 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,605 | — | — |
| 10.75 | 1,621 | 13.75 | 850 S |
| 7.625 | 9,231 | — | — |
| 2.375 | 11,384 | — | — |
| 7.625 | 11,447 | 6.75 | 300 S |
| 5.5 | 11,447 | — | — |
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 | Feb 7, 1992 | Aug 29, 1991 | Yes |
| 00 | Jan 23, 1992 | Nov 23, 1959 | — |
| 00 | Jan 12, 1984 | Nov 23, 1959 | — |
| 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 42-329-00244 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-00244 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/32900244, documented in the API reference.