42-495-30490

Final Completion

HALLEY S. M. (ONE)

WINKLER County · District 8 · WALLACE OPERATING COMPANY LLC · WEINER (COLBY SAND)

RRC Lookup

Permits

Max Depth

2,900 ft

First Permit

1995-01-20

Latest Activity

1995-01-20

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1977-04-18

Shut-In

—

Plugged

2021-11-23

EWA / Production operator mismatch

Scheduling: WALLACE OPERATING COMPANY LLC ≠ Production: TEAM OPERATING, L.L.C. (reported 2025-12)

EWA / Permit operator mismatch

Scheduling: WALLACE OPERATING COMPANY LLC ≠ Permit: MIDLAND SOUTHWEST COLD LAKE INC

Resolved via: production → TEAM OPERATING, L.L.C.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

TEXACO E & P INC. 1993-1994→ MIDLAND SOUTHWEST COLD LAKE INC 1994-1997→ SOUTHWEST ROYALTIES, INC. 1997-2018→ CHAMPION LONE STAR OPERATING,LLC 2018-2020→ JUNO OPERATING COMPANY III, LLC 2020-2025→ TEAM OPERATING, L.L.C. 2025-2025

Lease Production

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

Permit History (1)

#431694 Recompletion Final Completion

HALLEY, S. M. · 2,900 ft

1995-01-20

Spud 1995-01-24

Permit Applications (1)

#431694 A MIDLAND SOUTHWEST COLD LAKE INC

received 1995-01-10

Well Details

Well Number: 256
Max Depth: 2,900 ft
Drill Type: Vertical
County: WINKLER
District: 8
Operator: WALLACE OPERATING COMPANY LLC
Completed: 1977-04-18

Operator

Name: WALLACE OPERATING COMPANY LLC
Location: METAIRIE
P-5 Status: Y (filed 2025-09-04)
Cum Oil (all leases): — bbl
Cum Gas (all leases): 133 mcf
Activities: OPRS/G, OPRS/O

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