42-079-32784

Final Completion

MASTEN UNIT

COCHRAN County · District 8 · TALIS ENERGY INC. · LEVELLAND

RRC Lookup

Permits

Max Depth

5,100 ft

First Permit

1994-03-23

Latest Activity

1994-03-23

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-08-07

Shut-In

—

Plugged

2010-04-28

EWA / Permit operator mismatch

Scheduling: TALIS ENERGY INC. ≠ Permit: UNION OIL COMPANY OF CALIFORNIA

Resolved via: production → TALIS ENERGY INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1994-07

Last Production

2026-03

Operator History

Chain of Custody

UNION OIL COMPANY OF CALIFORNIA 1994-2000→ 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.

Oil

production & DCA →

Permit History (1)

#423114 Drill Final Completion

MASTEN "B" · 5,100 ft

1994-03-23

Spud 1994-05-19

Permit Applications (1)

#423114 A UNION OIL COMPANY OF CALIFORNIA

received 1994-03-18

Well Details

Well Number: 3R
Max Depth: 5,100 ft
Drill Type: Vertical
County: COCHRAN
District: 8
Operator: TALIS ENERGY INC.
Completed: 1994-08-07

Operator

Name: TALIS ENERGY INC.
Location: AUSTIN
P-5 Status: Y (filed 2026-03-04)
Cum Oil (all leases): 3,029 bbl
Cum Gas (all leases): — mcf
Activities: OPRS/G, OPRS/O

External Links

RRC Wellbore Query →