42-211-31046

PRODUCING

ISAACS -212-

HEMPHILL County · District 10 · MOUNTAINSIDE ENERGY OPERATING L · CANADIAN SE (DOUGLAS)

RRC Lookup

Permits

Max Depth

11,600 ft

First Permit

1978-10-11

Latest Activity

1988-10-25

Lifespan

10 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1988-12-19

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Production operator mismatch

Scheduling: MOUNTAINSIDE ENERGY OPERATING L ≠ Production: HIGHMARK ENERGY OPERATING, LLC (reported 2025-12)

EWA / Permit operator mismatch

Scheduling: MOUNTAINSIDE ENERGY OPERATING L ≠ Permit: CHEVRON U. S. A. INC.

Resolved via: production → HIGHMARK ENERGY OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

CHEVRON U. S. A. INC. 1993-2016→ PANTERA ENERGY COMPANY 2016-2021→ HIGHMARK ENERGY OPERATING, LLC 2021-2025

Lease Production

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

Permit History (2)

#352540 Recompletion Final Completion

ISAACS · 11,600 ft

1988-10-25

#34395 Drill Final Completion

ISAACS · 11,600 ft

1978-10-11

Spud 1978-11-19

Permit Applications (2)

#352540 A CHEVRON U. S. A. INC.

received 1988-10-21

#34395 A GULF OIL CORP.

received 1978-10-11

Well Details

Well Number: 2212
Max Depth: 11,600 ft
Drill Type: Vertical
County: HEMPHILL
District: 10
Operator: MOUNTAINSIDE ENERGY OPERATING L
Completed: 1988-12-19

Operator

Name: MOUNTAINSIDE ENERGY OPERATING, L
Location: DALLAS
P-5 Status: Y (filed 2026-01-21)
Activities: OPRS/G, OPRS/O

External Links

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