42-079-30984

Final Completion

MASTEN A

COCHRAN County · District 8 · UNION OIL COMPANY OF CALIFORNIA · LEVELLAND

RRC Lookup

Permits

Max Depth

5,000 ft

First Permit

1978-09-08

Latest Activity

1978-09-08

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1979-07-12

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: UNION OIL COMPANY OF CALIFORNIA ≠ Production: TALIS ENERGY INC. (reported 2025-10)

Resolved via: scheduling → UNION OIL COMPANY OF CALIFORNIA

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

UNION OIL COMPANY OF CALIFORNIA 1993-2000→ PURE RESOURCES, L.P. 2000-2006→ CHEVRON MIDCONTINENT, L.P. 2006-2015→ STEWARD ENERGY II, LLC 2015-2020→ RMB OPERATING LLC 2020-2023→ OILWELL OPERATORS, INC. 2023-2025→ TALIS ENERGY INC. 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)

#32135 Drill Final Completion

MASTEN -A- · 5,000 ft

1978-09-08

Spud 1978-09-28

Permit Applications (1)

#32135 A UNION OIL COMPANY OF CALIFORNIA

received 1978-09-08

Well Details

Well Number: 16
Max Depth: 5,000 ft
Drill Type: Vertical
County: COCHRAN
District: 8
Operator: UNION OIL COMPANY OF CALIFORNIA
Completed: 1979-07-12

Operator

Name: UNION OIL CO OF CALIFORNIA
Location: MIDLAND
P-5 Status: Y (filed 2022-09-02)
Cum Oil (all leases): 78,952,713 bbl
Cum Gas (all leases): 197,557,199 mcf
Total Permits: 2,336

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