42-135-33210

PRODUCING

TXL #2

ECTOR County · District 8 · HIGHMARK ENERGY OPERATING LLC · COWDEN NORTH (DEEP)

RRC Lookup

Permits

Max Depth

5,300 ft

First Permit

1979-09-04

Latest Activity

1979-09-04

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1979-10-18

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 2010-2021→ 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)

#57073 Drill Final Completion

TXL · 5,300 ft

1979-09-04

Spud 1979-08-28

Permit Applications (1)

#57073 A RIAL OIL CO.

received 1979-09-04

Well Details

Well Number: 2
Max Depth: 5,300 ft
Drill Type: Vertical
County: ECTOR
District: 8
Operator: HIGHMARK ENERGY OPERATING LLC
Completed: 1979-10-18

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

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