42-003-10468

PRODUCING

UNIVERSITY -F-

ANDREWS County · District 8 · HIGHMARK ENERGY OPERATING LLC · SHAFTER LAKE (DEVONIAN)

RRC Lookup

Permits

Max Depth

9,739 ft

First Permit

2024-10-02

Latest Activity

2024-10-02

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

—

Shut-In

—

Plugged

—

P-5 Org Status: Delinquent

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

FLOYD OPERATING COMPANY 1993-1999→ HENRY PETROLEUM CORP. 2000-2000→ COG OPERATING LLC 2011-2012→ LEGACY RESERVES OPERATING LP 2013-2023→ HIGHMARK ENERGY OPERATING, LLC 2025-2025

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)

#902993 Recompletion

UNIVERSITY -F- · 9,739 ft

2024-10-02

Permit Applications (1)

#902993 A HIGHMARK ENERGY OPERATING, LLC

received 2024-09-30

Google Maps → Explorer Map →

Lat 32.400001

Lon -102.722221

Well Details

Well Number: 6L
Max Depth: 9,739 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: HIGHMARK ENERGY OPERATING LLC

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 →