WELL · 42-383-35674 · DISTRICT 7
University -25B- #508TM
Reagan County · Spraberry (Trend Area) field · Vertical
University -25b- #508TM (API 42-383-35674) is a well in Reagan County operated by Apache Corporation, completed January 23, 2006.
The RRC has issued one drilling permit, issued December 21, 2005, permitted to 9,000 ft.
It was permitted by Mariner Energy, Inc. and has since transferred to Apache Corporation on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its 4 leases have reported 47.8K barrels of oil and 140K mcf of gas since March 2003, last reporting in July 2026. The leases carry 10 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mariner Energy, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 3, 2025
- Permits on file
- 9,756
- Phone
- (713) 954-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Aug 2015 |
| Latest permit | Mariner Energy, Inc.Dec 21, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- Dec 21, 2005
- last permit issued
- Jan 23, 2006
- completed
- 47.8K
- cumulative oil, bbl
- 140K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 23, 2006
- Shut in
- —
- Plugged
- —
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 4 leases this well is completed on; they carry 10 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University -25B- O-9-16165 | Spraberry (Trend Area) | Apache Corporation | 4 | 21.5K | 65.4K | Mar 2007 – Jul 2026 |
| University -5A- O-9-18494 | Spraberry (Trend Area) | Apache Corporation | 1 | 1.16K | 5.24K | Dec 2010 – Jul 2026 |
| University "5" O-9-15414 | Spraberry (Trend Area) | Apache Corporation | 4 | 14.1K | 38.8K | Mar 2003 – Mar 2014 |
| University -5A- O-9-16153 | Spraberry (Trend Area) | Apache Corporation | 1 | 11.1K | 30.9K | Mar 2007 – Mar 2014 |
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.
- 1Tamarack Petroleum Company, Inc.Mar 2003 → Nov 2007
- 2Mariner Energy, Inc.Dec 2007 → Nov 2010
- 3Apache CorporationDec 2010 → Jan 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 611417-99 | Drill | Mariner Energy, Inc. | Dec 21, 2005 | Dec 21, 2005 | Jan 15, 2006 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-15414 | — | — | — | — |
| — | — O-9-16153 | — | — | — | — |
| — | — O-9-16165 | — | — | — | — |
| — | — O-9-18494 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,655 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,064 | 6,253 | Perforated |
| 6,640 | 7,038 | Perforated |
| 7,445 | 7,607 | Perforated |
| 7,610 | 8,438 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 502 | 11 | 375 S |
| 4.5 | 8,500 | 7.875 | 1,160 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 | Jul 31, 2014 | Mar 27, 2006 | Yes |
| 00 | Jan 13, 2014 | Mar 27, 2006 | Yes |
| 00 | Mar 20, 2007 | Mar 27, 2006 | Yes |
| 00 | Jul 28, 2006 | Mar 27, 2006 | Yes |
| 00 | Apr 4, 2006 | — | — |
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 42-383-35674 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-35674 → 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/38335674, documented in the API reference.