42-105-40502

PRODUCING

UNIVERSITY 42

CROCKETT County · District 7 · ZARVONA ENERGY LLC · HOLT RANCH (CONSOLIDATED)

Permits

1

Max Depth

9,000 ft

First Permit

2007-12-11

Latest Activity

2007-12-11

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-01-18

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: ZARVONA ENERGY LLC ≠ Permit: APPROACH OPERATING LLC

Resolved via: productionZARVONA ENERGY LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-01

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (7) Elevation 2,608 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BASE OF CRETACEOUS (Base Cretaceous (marker))750 ft+1,858 ft
TOP OF DEAN SAND MKR (Dean)5,411 ft-2,803 ft
TOP OF DEAN SAND MKR. (Dean)5,411 ft-2,803 ft
TOP OF CANYON MKR (Canyon)7,656 ft-5,048 ft
TOP OF CANYON MKR. (Canyon)7,656 ft-5,048 ft
ELLENBERGER (Ellenburger)8,190 ft-5,582 ft
ELLENBURGER 8,190 ft-5,582 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

IntervalType
8,347–8,349 ftPerforated
8,348–8,349 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,114 ft970 sx
5.5"8,455 ft860 sx

Permit History (1)

Applications (1)

#650721 A APPROACH OPERATING LLC
received 2007-12-05

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2014-03-05
W-2/G-1 2008-05-21 log on file
W-2/G-1 2008-10-06
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in CROCKETT County.

Well Details

Well Number
1
Max Depth
9,000 ft
Drill Type
Vertical
County
CROCKETT
District
7
Completed
2008-01-18

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-06-02)
Cum Oil (all leases)
11,950,764 bbl
Cum Gas (all leases)
118,564,582 mcf
Activities
CSGD/G, GTHS/C, GTHS/O, OPRS/G, OPRS/O
Total Permits
94