42-211-33532

PRODUCING

ROSS

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

RRC Lookup

Permits

Max Depth

12,800 ft

First Permit

2006-03-28

Latest Activity

2006-03-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-03-13

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: CIMAREX ENERGY CO.

Resolved via: production → HIGHMARK ENERGY OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-03

Last Production

2026-03

Operator History

Chain of Custody

CIMAREX ENERGY CO. 2008-2008→ CHEVRON U. S. A. INC. 2008-2016→ 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.

Gas

production & DCA →

Permit History (1)

#615041 Drill Final Completion

ROSS · 12,800 ft

2006-03-28

Spud 2007-12-26

Permit Applications (1)

#615041 A CIMAREX ENERGY CO.

received 2006-03-01

Well Details

Well Number: 1271
Max Depth: 12,800 ft
Drill Type: Vertical
County: HEMPHILL
District: 10
Operator: MOUNTAINSIDE ENERGY OPERATING L
Completed: 2008-03-13

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 →