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42-059-35296

SHUT IN

HOOKS RANCH UNIT

CALLAHAN County · District 7 · GRAYROCK ENERGY II LLC · CALLAHAN COUNTY REGULAR

Permits

1

Max Depth

3,400 ft

First Permit

1985-03-28

Latest Activity

1985-03-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1984-11-19

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: NUEVE OPERATING CO. OF TEXAS

Resolved via: production → GRAYROCK ENERGY II, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

TRACKER MINERAL 1993-1996→ CONTINUAL OIL & GAS, INC. 1996-1998→ BC OPERATING, INC. 1998-2004→ CROWNQUEST OPERATING, LLC 2000-2001→ CELERO ENERGY, L.P. 2004-2005→ WHITING OIL AND GAS CORPORATION 2005-2006→ L.C.S. PRODUCTION COMPANY 2006-2009→ PLANTATION OPERATING, LLC 2009-2011→ MERIT ENERGY COMPANY 2011-2017→ ROVER PETROLEUM OPERATING, LLC 2017-2023→ GRAYROCK ENERGY II, LLC 2024-2026

Lease Production

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

Oil
production & DCA →

Formation Tops (1) Elevation 1,886 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
PALO PINTO SAND (Palo Pinto)3,184 ft-1,298 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 (1)

IntervalType
3,184–3,192 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"150 ft100 sx
4.5"3,254 ft110 sx

Permit History (1)

#270860 Drill Final Completion

HOOKS RANCH UNIT · 3,400 ft

1985-03-28

Applications (1)

#270860 A NUEVE OPERATING CO. OF TEXAS
received 1985-02-19

Records & Logs

2 completion filings on record.

W-2/G-1 1985-04-11
W-2/G-1 1985-04-24
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 CALLAHAN County.

Well Details

Well Number
45
Max Depth
3,400 ft
Drill Type
Vertical
County
CALLAHAN
District
7
Operator
GRAYROCK ENERGY II LLC
Completed
1984-11-19

Operator

Location
FORT WORTH
P-5 Status
Active (filed 2025-10-16)
Cum Oil (all leases)
1,537,532 bbl
Cum Gas (all leases)
35,084 mcf
Activities
OPRS/G, OPRS/O