TEXAS · WELLS · TERRELL COUNTY · UNIVERSITY 31 LEASE · API 42-443-30028 · DISTRICT 6E
University 31 #1
Terrell County · Pakenham (Wolfcamp) field · Producing · Horizontal · Sidetrack
University 31 #1 (API 42-443-30028) is a horizontal well in Terrell County operated by Hilcorp Energy Company, completed March 30, 1992 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 1992 and 1994, permitted to 10,000 ft.
It was permitted by Riata Energy, Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including Leonard, Wolfcamp, U. Wolfcamp Sand.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Riata Energy, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | OXY USA Inc.through Apr 2026 |
| Latest permit | Riata Energy, Inc.Mar 23, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 2
- permits on file
- Mar 23, 1994
- last permit issued
- Mar 30, 1992
- completed
- 0
- cumulative oil, bbl
- 408K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 30, 1992
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 31 G-9-141362 | Pakenham (Wolfcamp) | Hilcorp Energy Company | 1 | 0 | 408K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,573 · prior 12 1,417(+11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Riata Energy, Inc.Jan 1993 → Nov 1994
- 2Chevron U. S. A. Inc.Dec 1994 → Aug 1999
- 3Athanor Texas Inc.Sep 1999 → Dec 2002
- 4Nuevo Texas Inc.Jan 2003 → Dec 2004
- 5PXP Texas Inc.Jan 2005 → Sep 2006
- 6Vintage Petroleum, LLCOct 2006 → Mar 2008
- 7OXY USA Inc.Apr 2008 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 421045-99 | Recompletion · sidetrack | Riata Energy, Inc. | Feb 10, 1994 | Mar 23, 1994 | — | 9,000 |
| 395957-99 | Reenter | Riata Energy, Inc. | Jan 17, 1992 | Jan 24, 1992 | Jan 25, 1992 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 30, 1992 | University 31 G-9-141362 | Pakenham (Wolfcamp) | Hilcorp Energy Company | Producing | 10,000 |
Formation tops
As filed on W-2/G-1. Subsea from 2,428 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,164 | 8,422 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 995 | 20 | 1,100 S |
| 10.75 | 9,000 | 12.25 | 2,200 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 | Sep 9, 1992 | May 22, 1992 | — |
| 00 | May 28, 1992 | — | — |
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 42-443-30028 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-443-30028 → 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/44330028, documented in the API reference.