42-433-31225

PRODUCING

ANNIS

STONEWALL County · District 7 · GRAYROCK ENERGY II LLC · FLOWERS (CANYON SAND)

RRC Lookup

Permits

Max Depth

4,600 ft

First Permit

1981-06-08

Latest Activity

1981-06-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1981-05-20

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: MARTIN OIL CO.

Resolved via: production → GRAYROCK ENERGY II, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

MARTIN OIL CO. 1993-1997→ WALTER EXPLORATION INC. 1998-2001→ WALTER EXPLORATION COMPANY 2001-2010→ PLANTATION OPERATING, LLC 2010-2011→ MERIT ENERGY COMPANY 2011-2017→ ROVER PETROLEUM OPERATING, LLC 2017-2023→ GRAYROCK ENERGY II, LLC 2024-2025

Lease Production

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

Oil

production & DCA →

Permit History (2)

#122172 Drill

ANNIS, A.A. · 4,600 ft

1981-06-23

#120166 Drill Final Completion

ANNIS · 4,600 ft

1981-06-08

Permit Applications (2)

#122172 A MARTIN OIL CO.

received 1981-06-23

#120166 A MARTIN OIL CO.

received 1981-06-08

Well Details

Well Number: 12
Max Depth: 4,600 ft
Drill Type: Vertical
County: STONEWALL
District: 7
Operator: GRAYROCK ENERGY II LLC
Completed: 1981-05-20

Operator

Name: GRAYROCK ENERGY II, LLC
Location: FORT WORTH
P-5 Status: Y (filed 2025-08-04)
Cum Oil (all leases): 1,337,078 bbl
Cum Gas (all leases): 35,084 mcf
Activities: OPRS/G, OPRS/O

External Links

RRC Wellbore Query →