WELL · 42-105-41307 · DISTRICT 7
University 42 B #1001H
Crockett County · Holt Ranch (Consolidated) field · Horizontal
University 42 B #1001H (API 42-105-41307) is a horizontal well in Crockett County operated by Approach Operating LLC, completed November 26, 2011.
The RRC has issued one drilling permit, issued July 25, 2011, permitted to 7,200 ft.
Completion filings report 3 formation tops, including Dean, Wolfcamp, Blue Friend Marker.
Its 2 leases have reported 1.7M barrels of oil and 19.1M mcf of gas since September 2010, last reporting in July 2026. The leases carry 73 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Fort Worth, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Nov 15, 2019
- Permits on file
- 1,045
- Phone
- (817) 989-9000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Approach Operating LLC |
| Production reports | Zarvona Energy LLCthrough Mar 2026 |
| Latest permit | Approach Operating LLCJul 25, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,200
- total depth, ft
- 1
- permits on file
- Jul 25, 2011
- last permit issued
- Nov 26, 2011
- completed
- 1.7M
- cumulative oil, bbl
- 19.1M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 26, 2011
- 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 2 leases this well is completed on; they carry 73 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 42 O-9-17265 | Holt Ranch (Consolidated) | Zarvona Energy LLC | 71 | 1.66M | 19M | Sep 2010 – Jul 2026 |
| University 42 "B" O-9-17752 | Holt Ranch (Consolidated) | Approach Operating LLC | 2 | 41.1K | 159K | Sep 2011 – Dec 2015 |
Gas, mcf lease total
Last 12 months 969,056 · prior 12 1,146,637(-15%)
Oil, barrels lease total
Last 12 months 45,605 · prior 12 55,220(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Approach Operating LLCSep 2010 → Sep 2020
- 2Zarvona Energy LLCOct 2020 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 720739-99 | Drill | Approach Operating LLC | Jul 21, 2011 | Jul 25, 2011 | Aug 31, 2011 | 7,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-17265 | — | — | — | — |
| — | — O-9-17752 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,617 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,700 | 13,378 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 902 | 17.5 | 680 S |
| 9.625 | 4,309 | 12.25 | 760 S |
| 5.5 | 13,857 | 8.75 | 1,320 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 7, 2014 | Feb 15, 2012 | Yes |
| 00 | Mar 6, 2013 | Feb 15, 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 42-105-41307 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-41307 → 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/10541307, documented in the API reference.