42-451-30546

Final Completion

DUFF A. H. EST. A

TOM GREEN County · District 7 · UNION PACIFIC RESOURCES COMPANY · DOVE CREEK SOUTH (WOLFCAMP)

RRC Lookup

Permits

Max Depth

7,000 ft

First Permit

1979-11-08

Latest Activity

1990-03-29

Lifespan

10 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-09-28

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: UNION PACIFIC RESOURCES COMPANY ≠ Production: TREK RESOURCES, INC. (reported 2025-12)

Resolved via: production → TREK RESOURCES, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

UNION PACIFIC RESOURCES COMPANY 1993-1995→ MONTGOMERY PETROLEUM, INC. 1995-2007→ MJM OIL & GAS, INC. 1996-2001→ TREK RESOURCES, INC. 2007-2025

Lease Production

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

Permit History (3)

#371604 Recompletion Final Completion

DUFF, A. H. ESTATE "A" · 6,779 ft

1990-03-29

#364158 Recompletion Final Completion

DUFF, A. H. ESTATE "A" · 6,779 ft

1989-09-20

#63221 Drill Final Completion

DUFF, A. H. ESTATE "A" · 7,000 ft

1979-11-08

Spud 1979-11-13

Permit Applications (3)

#371604 A UNION PACIFIC RESOURCES COMPANY

received 1990-03-29

#364158 A UNION PACIFIC RESOURCES COMPANY

received 1989-09-20

#63221 A CHAMPLIN PETROLEUM CO.

received 1979-11-08

Well Details

Well Number: 2
Max Depth: 7,000 ft
Drill Type: Vertical
County: TOM GREEN
District: 7
Operator: UNION PACIFIC RESOURCES COMPANY
Completed: 1989-09-28

Operator

Name: UNION PACIFIC RES CO
Location: FORT WORTH
P-5 Status: Y (filed 2001-02-09)
Cum Oil (all leases): 75,300,375 bbl
Cum Gas (all leases): 1,818,873,181 mcf
Total Permits: 5,638

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