42-055-32088

COSEY-DORN -A-

CALDWELL County · District 1 · MILLENNIUM EXPLORATION CO. LLC · LULING-BRANYON

RRC Lookup

Permits

Max Depth

2,100 ft

First Permit

1981-04-15

Latest Activity

1981-04-15

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

2022-02-22

EWA / Permit operator mismatch

Scheduling: MILLENNIUM EXPLORATION CO. LLC ≠ Permit: MARGO DRILLING COMPANY

Resolved via: production → MILLENNIUM EXPLORATION CO. LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

ENERGYPRO, INC. 1993-2001→ SOTOL ENERGY, INC. 2001-2025→ MILLENNIUM EXPLORATION CO. LLC 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)

#115153 Drill U

COSEY-DORN "A" · 2,100 ft

1981-04-15

Permit Applications (1)

#115153 A MARGO DRILLING COMPANY

received 1981-04-15

Well Details

Well Number: 14
Max Depth: 2,100 ft
Drill Type: Vertical
County: CALDWELL
District: 1
Operator: MILLENNIUM EXPLORATION CO. LLC

Operator

Name: MILLENNIUM EXPL CO. LLC
Location: SAN ANTONIO
P-5 Status: Y (filed 2025-09-04)
Cum Oil (all leases): 348,541 bbl
Cum Gas (all leases): 713,814 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 41

External Links

RRC Wellbore Query →