42-295-33308

Final Completion Horizontal

COOPER 435

LIPSCOMB County · District 10 · HIGHMARK ENERGY OPERATING LLC · LIPSCOMB (CLEVELAND)

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Permits

Max Depth

9,000 ft

First Permit

2008-03-19

Latest Activity

2008-03-19

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-07-24

Shut-In

—

Plugged

2021-01-05

EWA / Production operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Production: EOG RESOURCES, INC. (reported 2020-04)

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: EOG RESOURCES, INC.

Resolved via: scheduling → HIGHMARK ENERGY OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-07

Last Production

2023-07

Operator History

originally filed by EOG RESOURCES, INC. — asset transferred

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)

#657178 Drill Final Completion

COOPER 435 · 9,000 ft

2008-03-19

Spud 2008-03-26

Permit Applications (1)

#657178 A EOG RESOURCES, INC.

received 2008-03-12

Well Details

Well Number: 1H
Max Depth: 9,000 ft
Drill Type: Horizontal
County: LIPSCOMB
District: 10
Operator: HIGHMARK ENERGY OPERATING LLC
Completed: 2008-07-24

Operator

Name: HIGHMARK ENGY OPER, LLC
Location: DALLAS
P-5 Status: Y (filed 2025-12-04)
Cum Oil (all leases): 4,103,460 bbl
Cum Gas (all leases): 29,480,638 mcf
Activities: CSGD/G, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 15

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