WELL · 42-461-31273 · DISTRICT 8
University-AA #25
Upton County · McElroy field · Vertical
University-AA #25 (API 42-461-31273) is a plugged well in Upton County, plugged November 3, 1992, last operated by Q Natural Resources LLC.
The RRC has issued one drilling permit, issued December 28, 1977, permitted to 4,300 ft.
It was permitted by Aminoil USA Inc. and has since transferred to Q Natural Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Yates, Grayburg, San Andres.
Its lease has reported 33.9K barrels of oil and 2.72K mcf of gas since January 1993, last reporting in July 2026. The lease carries 23 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Aminoil USA Inc.; the EWA schedule now lists a different operator.
Jones, OK · P-5 Y, filed Nov 4, 2025 · (940) 365-6224
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Q Natural Resources LLC |
| Production reports | Q Natural Resources, LLCthrough Apr 2026 |
| Latest permit | Aminoil USA Inc.Dec 28, 1977 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,300
- total depth, ft
- 1
- permits on file
- Dec 28, 1977
- last permit issued
- Feb 10, 1987
- completed
- 33.9K
- cumulative oil, bbl
- 2.72K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 10, 1987
- Shut in
- —
- Plugged
- Nov 3, 1992
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 23 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University-AA O-10-9924 | McElroy | Q Natural Resources, LLC | 23 | 33.9K | 2.72K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 35 · prior 12 50(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Phillips Petroleum CompanyJan 1993 → Oct 1994
- 2Coastal Management CorporationNov 1994 → Jul 2001
- 3Cambrian Management LtdAug 2001 → Sep 2007
- 4Cambrian Management, Ltd.Oct 2007 → Jul 2019
- 5Arch Oil & Gas, LLCAug 2019 → Apr 2022
- 6Q Natural Resources, LLCMay 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 14796-99 | Drill | Aminoil USA Inc. | Dec 28, 1977 | Dec 28, 1977 | Jan 14, 1978 | 4,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-9924 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,608 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,615 | -7 |
| Grayburg | 3,905 | -1,297 |
| San Andres | 3,960 | -1,352 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,870 | 3,910 | Perforated |
| — | 4,074 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 520 | 12.25 | 285 S |
| 5.5 | 4,300 | 7.875 | 480 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 | Mar 19, 1987 | Feb 24, 1987 | — |
| 00 | Jan 12, 1984 | Apr 5, 1978 | — |
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 42-461-31273 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31273 → 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/46131273, documented in the API reference.