TEXAS · WELLS · CROCKETT COUNTY · UNIVERSITY 42 LEASE · API 42-105-40835 · DISTRICT 6E

University 42 #1X

Shut in

Crockett County · Holt Ranch (Consolidated) field · Temp Abandoned  · Vertical

Fields on the latest permit · any of 2
Holt Ranch (Canyon 7600) · 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 #1X (API 42-105-40835) is a well in Crockett County operated by Zarvona Energy LLC, completed October 6, 2008 and listed as temp abandoned on the RRC schedule, shut in May 1, 2013.

The RRC has issued one drilling permit, issued September 4, 2008, permitted to 8,575 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 4.3K barrels of oil and 44.9K mcf of gas since October 2008, with no volume in the three years through April 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 Jun 2015
Latest permitApproach Operating LLCSep 4, 2008

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

8,575
total depth, ft
1
permits on file
Sep 4, 2008
last permit issued
Oct 6, 2008
completed
4.3K
cumulative oil, bbl
44.9K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2008 THROUGH Jun 2015

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 6, 2008
Shut in
May 1, 2013
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-9-247150Holt Ranch (Consolidated)Zarvona Energy LLC14.3K44.9KOct 2008 – Jun 2015

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.

  1. 1Approach Operating LLCOct 2008 → Jun 2015

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
669843-99DrillApproach Operating LLCAug 26, 2008Sep 4, 2008Sep 7, 20089,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 6, 2008University 42 G-9-247150Holt Ranch (Consolidated)Zarvona Energy LLCTemp Abandoned · shut in May 1, 20138,575

Formation tops

As filed on W-2/G-1. Subsea from 2,576 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE OF CRETACEOUS7901,786
DeanTOP OF DEAN SAND MKR5,476-2,900
CanyonTOP OF CANYON MKR7,612-5,036

Perforations

Perforated and open-hole intervals.

FromToType
7,7237,840Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,99712.25970 S
5.58,5657.8751,165 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 20, 2014Mar 3, 2014—
00Jun 13, 2009Mar 4, 2009Yes
00May 20, 2009——

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/10540835, documented in the API reference.