TEXAS · WELLS · CROCKETT COUNTY · UNIVERSITY 42 LEASE · API 42-105-40467 · DISTRICT 6E

University 42 #1

Y

Crockett County · Holt Ranch (Consolidated) field · Producing  · Vertical

Fields on the latest permit · any of 2
Angus (Canyon) · Ozona, N. (Ellenburger)
Not one formation; the well must be completed in one of them, and no target formation is stated. The district's wildcat field is also on the permit.

University 42 #1 (API 42-105-40467) is a well in Crockett County operated by Zarvona Energy LLC, completed December 11, 2007 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 29, 2007, permitted to 8,276 ft.

It was permitted by Approach Operating LLC and has since transferred to Zarvona Energy LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Base Cretaceous (marker), Dean, Canyon.

Its lease has reported 28.4K barrels of oil and 2.05M mcf of gas since December 2007, last reporting volume in March 2026.

Operator of record

Zarvona Energy LLC

Permitted by Approach Operating LLC; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jun 2, 2026
Permits on file
98
Phone
(713) 600-0600

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleZarvona Energy LLC
Production reportsZarvona Energy LLCthrough Mar 2026
Latest permitApproach Operating LLCOct 29, 2007

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

8,276
total depth, ft
1
permits on file
Oct 29, 2007
last permit issued
Dec 11, 2007
completed
28.4K
cumulative oil, bbl
2.05M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2007 THROUGH Mar 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 11, 2007
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University 42 G-9-237560Holt Ranch (Consolidated)Zarvona Energy LLC128.4K2.05MDec 2007 – Mar 2026

Gas, mcf lease total

Last 12 months 26,494 · prior 12 6,919(+283%)

02K4K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Approach Operating LLCDec 2007 → Sep 2020
  2. 2Zarvona Energy LLCOct 2020 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
648326-99DrillApproach Operating LLCOct 24, 2007Oct 29, 2007Oct 30, 20079,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 11, 2007University 42 G-9-237560Holt Ranch (Consolidated)Zarvona Energy LLCProducing8,276

Formation tops

As filed on W-2/G-1. Subsea from 2,605 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE OF CRETACEOUS7501,855
DeanTOP OF DEAN SAND MKR5,413-2,808
DeanTOP OF DEAN SAND MKR.5,413-2,808
CanyonTOP OF CANYON MKR7,621-5,016
CanyonTOP OF CANYON MKR.7,621-5,016

Perforations

Perforated and open-hole intervals.

FromToType
8,0748,112Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,12212.25970 S
4.58,2547.875360 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 →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Mar 21, 2014Mar 5, 2014—
00Aug 19, 2008Mar 14, 2008Yes
00Aug 4, 2008——

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.

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.

Find logs withinmiles of this well:List →Map →

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/10540467, documented in the API reference.