TEXAS · WELLS · CROCKETT COUNTY · UNIVERSITY (M) "A" 4 LEASE · API 42-105-35975 · DISTRICT 6E
University (M) a 4 #12
Crockett County · Farmer (San Andres) field · Producing · Vertical
University (M) A 4 #12 (API 42-105-35975) is a well in Crockett County operated by Digital Operating Company LLC, completed April 29, 1992 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued July 16, 1991, permitted to 3,000 ft.
It was permitted by Swift Energy Company and has since transferred to Digital Operating Company LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Queens, Greyburg, San Andres.
Its lease has reported 31.6K barrels of oil and 83.6K mcf of gas since January 1993, last reporting volume in March 2026.
Operator of record
Permitted by Swift Energy Company; the EWA schedule now lists a different operator.
- Based in
- Boerne, TX
- P-5 status
- Active – Hearing (H)
- P-5 last filed
- Nov 24, 2025
- Phone
- (800) 671-8652
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Digital Operating Company LLC |
| Production reports | Digital Operating Company LLCthrough Mar 2026 |
| Latest permit | Swift Energy CompanyJul 16, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,000
- total depth, ft
- 2
- permits on file
- Jul 16, 1991
- last permit issued
- Apr 29, 1992
- completed
- 31.6K
- cumulative oil, bbl
- 83.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 29, 1992
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent (D)
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 (M) "a" 4 O-9-13259 | Farmer (San Andres) | Digital Operating Company LLC | 1 | 31.6K | 83.6K | Jan 1993 – Mar 2026 |
Oil, barrels lease total
Last 12 months 285 · prior 12 543(-48%)
Gas, mcf lease total
Last 12 months 254 · prior 12 425(-40%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Swift Energy CompanyJan 1993 → Mar 1996
- 2Centennial Energy Corp.Apr 1996 → Aug 1996
- 3Millennium Resources, LLC.Sep 1996 → Jan 2006
- 4Endeavor Energy Resources L.P.Feb 2006 → Jun 2022
- 5Digital Operating Company LLCJul 2022 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 389860-98 | Drill | Swift Energy Company | Feb 21, 1992 | Jul 16, 1991 | Mar 22, 1992 | 3,200 |
| 389860-99 | Drill | Swift Energy Company | Jul 15, 1991 | Jul 16, 1991 | — | 2,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 29, 1992 | University (M) a 4 O-9-13259 | Farmer (San Andres) | Digital Operating Company LLC | Producing | 3,000 |
Formation tops
As filed on W-2/G-1. Subsea from 2,705 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queens | 2,000 | 705 |
| Greyburg | 2,130 | 575 |
| San Andres | 2,207 | 498 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,207 | 2,383 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 749 | 11 | 140 S |
| 4.5 | 2,996 | 7.875 | 450 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 22, 1992 | May 14, 1992 | Yes |
| 00 | May 19, 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 42-105-35975 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-35975 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/10535975, documented in the API reference.