42-227-33547

SHUT IN

CHALK OTIS /EO/

HOWARD County · District 8 · GRAYROCK ENERGY II LLC · HOWARD GLASSCOCK (CONSOLIDATED)

RRC Lookup

Permits

Max Depth

4,001 ft

First Permit

1984-10-25

Latest Activity

2001-03-20

Lifespan

16 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2001-04-26

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: PRIZE OPERATING COMPANY

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

WOOD, MCSHANE & THAMS 1993-1995→ VISTA RESOURCES, INC. (A) 1995-2000→ PRIZE OPERATING COMPANY 2000-2002→ GRUY PETROLEUM MANAGEMENT CO. 2002-2006→ CIMAREX ENERGY CO. OF COLORADO 2006-2012→ MERIT ENERGY COMPANY 2013-2017→ 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.

Permit History (3)

#505626 Recompletion Final Completion

CHALK, OTIS /EO/ · 4,001 ft

2001-03-20

Spud 2001-04-23

#473463 Recompletion Final Completion

CHALK, E. O. · 3,200 ft

1998-02-24

Spud 1998-02-19

#255638 Drill Final Completion

CHALK, OTIS "EO" · 2,400 ft

1984-10-25

Permit Applications (3)

#505626 A PRIZE OPERATING COMPANY

received 2001-02-21

#473463 A VISTA RESOURCES, INC. (A)

received 1998-02-17

#255638 A WOOD, MCSHANE & THAMS

received 1984-10-12

Well Details

Well Number: 6
Max Depth: 4,001 ft
Drill Type: Vertical
County: HOWARD
District: 8
Operator: GRAYROCK ENERGY II LLC
Completed: 2001-04-26

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

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