WELL · 42-105-35043 · DISTRICT 7
University 12 #1
Crockett County · Block 51 (Strawn) field · Vertical
University 12 #1 (API 42-105-35043) is a plugged well in Crockett County, plugged September 20, 2001, last operated by Ozark Exploration Inc..
The RRC has issued one drilling permit, issued May 17, 1985, permitted to 9,400 ft.
It was permitted by Pogo Producing CO. and has since transferred to Ozark Exploration Inc. on the wellbore schedule.
Completion filings report 11 formation tops, including Rustler, Grayburg, San Andres, Clear Fork.
Operator of record
Permitted by Pogo Producing Co.; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 6, 2026
- Permits on file
- 99
- Phone
- (214) 526-6270
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ozark Exploration Inc. |
| Production reports | Ozark Exploration, Inc.through Dec 2000 |
| Latest permit | Pogo Producing Co.May 17, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,400
- total depth, ft
- 1
- permits on file
- May 17, 1985
- last permit issued
- Oct 3, 1985
- completed
- 0
- cumulative oil, bbl
- 35.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2002
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 3, 1985
- Shut in
- —
- Plugged
- Sep 20, 2001
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 12 G-9-118669 | Block 51 (Strawn) | Ozark Exploration, Inc. | 1 | 0 | 35.5K | Jan 1993 – Jan 2002 |
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.
- 1Ozark Exploration, Inc.Jan 1993 → Dec 2000
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 275341-99 | Drill | Pogo Producing Co. | Aug 8, 1985 | May 17, 1985 | Aug 17, 1985 | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-118669 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,602 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 956 | 1,646 |
| Grayburg | 2,010 | 592 |
| San Andres | 2,362 | 240 |
| Clear Fork | 4,214 | -1,612 |
| U. Sprayberry | 4,894 | -2,292 |
| L. Sprayberry | 5,290 | -2,688 |
| Dean | 6,064 | -3,462 |
| Wolfcamp | 6,294 | -3,692 |
| Strawn | 8,630 | -6,028 |
| Devonian | 9,086 | -6,484 |
| Fusselman | 9,293 | -6,691 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,630 | 8,704 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 735 | 17.5 | 600 S |
| 8.625 | 2,490 | 11 | 1,300 S |
| 5.5 | 9,400 | 7.875 | 500 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 18, 1985 | Oct 24, 1985 | Yes |
| 00 | Nov 15, 1985 | — | — |
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 42-105-35043 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-35043 → 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/10535043, documented in the API reference.