WELL · 42-105-41410 · DISTRICT 7
University Unit #303
Crockett County · Ozona NE. (Canyon 7520) field · Horizontal
University Unit #303 (API 42-105-41410) is a plugged horizontal well in Crockett County, plugged August 11, 2017, last operated by Upp Operating LLC.
The RRC has issued one drilling permit (amended once), issued February 13, 2012, permitted to 11,756 ft.
It was permitted by Highmount Expl & Prod Texas LLC and has since transferred to Upp Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Base Cretaceous (marker), Leonard, Wolfcamp, Tippit Shale.
Its lease has reported 672K barrels of oil and 11.2M mcf of gas since October 2011, last reporting in July 2026. The lease carries 28 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Highmount Expl & Prod Texas LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Active, filed Mar 6, 2026 · 33 permits on file · (713) 495-5300
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Upp Operating LLC |
| Production reports | Upp Operating, LLCthrough Apr 2026 |
| Latest permit | Highmount Expl & Prod Texas LLCFeb 13, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,756
- total depth, ft
- 2
- permits on file
- Feb 13, 2012
- last permit issued
- Mar 12, 2012
- completed
- 672K
- cumulative oil, bbl
- 11.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 12, 2012
- Shut in
- —
- Plugged
- Aug 11, 2017
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; they carry 28 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University Unit O-9-17743 | Ozona, NE. (Canyon 7520) | Upp Operating, LLC | 28 | 672K | 11.2M | Oct 2011 – Jul 2026 |
Gas, mcf lease total
Last 12 months 565,114 · prior 12 603,387(-6%)
Oil, barrels lease total
Last 12 months 11,770 · prior 12 12,809(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Highmount Expl & Prod Texas LLCOct 2011 → Sep 2014
- 2Enervest Operating, L.L.C.Oct 2014 → Mar 2019
- 3Upp Operating, LLCApr 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 733028-98 | Drill | Highmount Expl & Prod Texas LLC | Jan 23, 2013 | Feb 13, 2012 | Feb 14, 2012 | 6,800 |
| 733028-99 | Drill | Highmount Expl & Prod Texas LLC | Feb 2, 2012 | Feb 13, 2012 | Feb 14, 2012 | 11,756 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-17743 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,541 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 1,080 | 1,461 |
| Leonard | 3,569 | -1,028 |
| Wolfcamp | 5,281 | -2,740 |
| Tippit Shale | 5,575 | -3,034 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,648 | 5,004 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,827 | 12.25 | 550 S |
| 5.5 | 5,115 | 8.75 | 1,350 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 | May 30, 2013 | Jul 18, 2012 | Yes |
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 42-105-41410 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-41410 → 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/10541410, documented in the API reference.