WELL · 42-461-31473 · DISTRICT 7
University A #1
Upton County · Spraberry (Trend Area CL. Fk.) field · Vertical
University A #1 (API 42-461-31473) is a plugged well in Upton County, plugged June 3, 2010, last operated by Atlas Operating LLC.
The RRC has issued 2 drilling permits between 1979 and 1987, permitted to 8,500 ft.
It was permitted by Ensource Inc. and has since transferred to Atlas Operating LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Clear Fork, Spraberry, Jo Mill, Jomill.
Its 2 leases have reported 13.2K barrels of oil and 29.8K mcf of gas since January 1993, last reporting in December 2011. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Ensource Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Oct 4, 2025 · 78 permits on file · (281) 893-9400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Atlas Operating LLC |
| Production reports | Pioneer Exploration, LLCthrough Mar 2009 |
| Latest permit | Ensource Inc.Aug 17, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 2
- permits on file
- Aug 17, 1987
- last permit issued
- Sep 2, 1987
- completed
- 13.2K
- cumulative oil, bbl
- 29.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 2, 1987
- Shut in
- —
- Plugged
- Jun 3, 2010
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 |
|---|---|---|---|---|---|---|
| University "A" O-9-12263 | Spraberry (Trend Area CL. Fk.) | Atlas Operating LLC | 1 | 13.2K | 29.8K | Jan 1993 – Dec 2011 |
| University "A" O-9-8068 | Spraberry (Trend Area) | Atlas Operating LLC | 2 | 0 | 0 | Jan 1993 – Apr 2010 |
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.
- 1Umc Petroleum CorporationJan 1993 → Mar 1997
- 2Pioneer Exploration CompanyApr 1997 → Jun 2001
- 3Pioneer Exploration, Ltd.Jul 2001 → Jan 2008
- 4Pioneer Exploration, LLCFeb 2008 → Mar 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 334218-99 | Recompletion | Ensource Inc. | Aug 10, 1987 | Aug 17, 1987 | — | 8,250 |
| 57048-99 | Drill | Palo-Placer | Aug 31, 1979 | Aug 31, 1979 | — | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-8068 | — | — | — | — |
| — | — O-9-12263 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,690 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,354 | -3,664 |
| Spraberry | 6,683 | -3,993 |
| Jo Mill | 7,518 | -4,828 |
| Jomill | 7,518 | -4,828 |
| Dean | 8,010 | -5,320 |
| Wolfcamp | 8,198 | -5,508 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,354 | 6,445 | Perforated |
| 8,014 | 8,148 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 430 | 11 | 350 S |
| 2.375 | 7,244 | — | — |
| 4.5 | 8,239 | 7.875 | 700 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 | Nov 12, 1987 | Oct 20, 1987 | Yes |
| 00 | Sep 21, 1987 | Sep 11, 1987 | Yes |
| 00 | Sep 18, 1987 | — | — |
| 00 | Jan 12, 1984 | Nov 26, 1979 | — |
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 42-461-31473 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31473 → 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/46131473, documented in the API reference.