42-133-37636

Final Completion

CRAWFORD A.D.

EASTLAND County · District 7 · SIERRA OIL COMPANY · SOVEREIGN GENESIS (MISS)

RRC Lookup

Permits

Max Depth

4,000 ft

First Permit

1993-02-12

Latest Activity

1994-03-01

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1993-03-05

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: SIERRA OIL COMPANY ≠ Production: BLACKBIRD R 22 OG L.L.C. (reported 2025-09)

Resolved via: scheduling → SIERRA OIL COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-03

Last Production

2026-03

Operator History

Chain of Custody

SIERRA OIL COMPANY 1993-1997→ KORNYE-TILLMAN COMPANY 2006-2024→ BLACKBIRD R 22 OG L.L.C. 2024-2025

Lease Production

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

Permit History (2)

#421644 Recompletion Final Completion

CRAWFORD, A.D. · 3,430 ft

1994-03-01

Spud 1994-02-07

#408973 Drill Final Completion

CRAWFORD, A.D. · 4,000 ft

1993-02-12

Spud 1993-02-13

Permit Applications (2)

#421644 A SIERRA OIL COMPANY

received 1994-03-01

#408973 A SIERRA OIL COMPANY

received 1993-02-12

Well Details

Well Number: 2A
Max Depth: 4,000 ft
Drill Type: Vertical
County: EASTLAND
District: 7
Operator: SIERRA OIL COMPANY
Completed: 1993-03-05

Operator

Name: SIERRA OIL CO
Location: FORT WORTH
P-5 Status: Y (filed 2025-06-04)
Cum Oil (all leases): 9,403 bbl
Cum Gas (all leases): 519,990 mcf
Activities: OPRS/G
Total Permits: 45

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