42-135-33399

PRODUCING

TXL -G-

ECTOR County · District 8 · HIGHMARK ENERGY OPERATING LLC · COWDEN NORTH

RRC Lookup

Permits

Max Depth

4,200 ft

First Permit

1980-06-18

Latest Activity

1980-06-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1980-11-22

Shut-In

—

Plugged

—

P-5 Org Status: Delinquent

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: RIAL OIL CO.

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

SAGE ENERGY COMPANY 1993-2007→ SHERIDAN PRODUCTION COMPANY, LLC 2007-2010→ LEGACY RESERVES OPERATING LP 2010-2023→ HIGHMARK ENERGY OPERATING, LLC 2023-2025

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)

#84335 Drill Final Completion

TXL "G" · 4,200 ft

1980-06-18

Spud 1980-10-18

Permit Applications (1)

#84335 A RIAL OIL CO.

received 1980-06-18

Well Details

Well Number: 3
Max Depth: 4,200 ft
Drill Type: Vertical
County: ECTOR
District: 8
Operator: HIGHMARK ENERGY OPERATING LLC
Completed: 1980-11-22

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

External Links

RRC Wellbore Query →