42-211-30958

PRODUCING

ISAACS -209-

HEMPHILL County · District 10 · MOUNTAINSIDE ENERGY OPERATING L · CANADIAN SW. (GRANITE WASH)

RRC Lookup

Permits

Max Depth

11,700 ft

First Permit

1978-01-11

Latest Activity

1978-01-11

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1978-04-16

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Production operator mismatch

Scheduling: MOUNTAINSIDE ENERGY OPERATING L ≠ Production: HIGHMARK ENERGY OPERATING, LLC (reported 2024-11)

EWA / Permit operator mismatch

Scheduling: MOUNTAINSIDE ENERGY OPERATING L ≠ Permit: GULF OIL CORP.

Resolved via: scheduling → MOUNTAINSIDE ENERGY OPERATING L

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 2021-2024

Lease Production

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

Gas

production & DCA →

Permit History (1)

#16168 Drill

ISAACS · 11,700 ft

1978-01-11

Spud 1978-01-30

Permit Applications (1)

#16168 A GULF OIL CORP.

received 1978-01-11

Well Details

Well Number: 4-209
Max Depth: 11,700 ft
Drill Type: Vertical
County: HEMPHILL
District: 10
Operator: MOUNTAINSIDE ENERGY OPERATING L
Completed: 1978-04-16

Operator

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

External Links

RRC Wellbore Query →