42-353-01140

Final Completion

COX E. S.

NOLAN County · District 7 · GRAYROCK ENERGY II LLC · LAKE TRAMMEL (STRAWN REEF)

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Permits

Max Depth

6,950 ft

First Permit

1992-06-18

Latest Activity

1992-06-18

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1992-06-30

Shut-In

—

Plugged

2012-01-26

EWA / Production operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Production: BROTHERS OPERATING COMPANY INC. (reported 2001-08)

EWA / Permit operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: ELDORADO OIL AND GAS, INC.

Resolved via: scheduling → 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

ELDORADO OPERATING CO. 1993-1995→ BROTHERS OPERATING COMPANY INC. 2001-2001

Lease Production

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

Permit History (1)

#400175 Recompletion Final Completion

COX, E.S. · 6,950 ft

1992-06-18

Spud 1992-06-23

Permit Applications (1)

#400175 A ELDORADO OIL AND GAS, INC.

received 1992-06-15

Well Details

Well Number: 1
Max Depth: 6,950 ft
Drill Type: Vertical
County: NOLAN
District: 7
Operator: GRAYROCK ENERGY II LLC
Completed: 1992-06-30

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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