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CONOCO-DEAN UNIT

COCHRAN County · District 8 · EXTEX OPERATING COMPANY · SLAUGHTER

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Permits

Max Depth

12,200 ft

First Permit

1990-04-19

Latest Activity

1992-10-14

Lifespan

2 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1992-11-20

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Permit operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Permit: CONOCO INC.

Resolved via: production → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

CONOCO INC. 1993-1994→ MERIT ENERGY COMPANY 1994-2000→ PERMIAN RESOURCES, INC. 2000-2003→ SHENANDOAH PETROLEUM CORPORATION 2003-2007→ LEGACY RESERVES OPERATING LP 2007-2021→ EXTEX OPERATING COMPANY 2021-2025

Lease Production

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

Permit History (3)

#403239 Other Final Completion

CONOCO DEAN UNIT · 5,550 ft

1992-10-14

Spud 1992-11-09

#372342 Drill

DEEP, C. S. DEAN "92" · 12,200 ft

1990-04-19

#372342 Drill U

DEEP, C. S. DEAN "92" · 12,200 ft

1990-04-19

Permit Applications (3)

#403239 A CONOCO INC.

received 1992-09-08

#372342 A CONOCO INC.

received 1990-06-13

#372342 A CONOCO INC.

received 1990-04-19

Well Details

Well Number: 155
Max Depth: 12,200 ft
Drill Type: Vertical
County: COCHRAN
District: 8
Operator: EXTEX OPERATING COMPANY
Completed: 1992-11-20

Operator

Name: EXTEX OPER CO
Location: HOUSTON
P-5 Status: Y (filed 2025-11-04)
Cum Oil (all leases): 5,693,023 bbl
Cum Gas (all leases): 9,659,127 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 117

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