42-173-32786

Final Completion

CALVERLEY 27

GLASSCOCK County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)

RRC Lookup

Permits

Max Depth

9,000 ft

First Permit

1997-06-23

Latest Activity

1997-06-23

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1998-02-25

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: COG OPERATING LLC ≠ Production: DIAMONDBACK E&P LLC (reported 2025-12)

EWA / Permit operator mismatch

Scheduling: COG OPERATING LLC ≠ Permit: COX, JOHN L.

Resolved via: production → DIAMONDBACK E&P LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

COX, JOHN L. 1993-2003→ JM COX RESOURCES, L.P. 2003-2014→ RSP PERMIAN, LLC 2014-2018→ COG OPERATING LLC 2018-2019→ DIAMONDBACK E&P LLC 2019-2025

Lease Production

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

Permit History (1)

#463813 Drill Final Completion

CALVERLEY "C" · 9,000 ft

1997-06-23

Spud 1997-11-17

Permit Applications (1)

#463813 A COX, JOHN L.

received 1997-06-16

Well Details

Well Number: 6
Max Depth: 9,000 ft
Drill Type: Vertical
County: GLASSCOCK
District: 8
Operator: COG OPERATING LLC
Completed: 1998-02-25

Operator

Name: COG OPER LLC
Location: MIDLAND
P-5 Status: Y (filed 2025-05-02)
Cum Oil (all leases): 627,668,492 bbl
Cum Gas (all leases): 303,100,933 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 4,469

External Links

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