42-339-30964
PRODUCINGKEYSTONE MILLS CO.
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE (MIDDLE WILCOX CONS.)
Permits
5
Max Depth
13,400 ft
First Permit
1999-01-13
Latest Activity
2003-01-30
Lifespan
4 yrs
Regulatory Status
Schedule
ON SCHEDULE
Completion
—
Shut-In
—
Plugged
—
P-5 Org Status: Delinquent
EWA / Production operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Production: DENBURY ONSHORE, LLC (reported 2024-10)
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: EXXON MOBIL CORPORATION
Resolved via: scheduling → HIGHMARK ENERGY OPERATING LLC
Production Summary
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1999-06
Last Production
2026-03
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Permit History (5)
KEYSTONE MILLS CO. · 12,500 ft
2003-01-30
Spud 2003-04-21
KEYSTONE MILLS CO. · 13,094 ft
1999-07-20
Spud 1999-08-25
KEYSTONE MILLS CO. · 13,094 ft
1999-07-20
KEYSTONE MILLS CO. · 13,094 ft
1999-07-20
KEYSTONE MILLS CO. · 13,400 ft
1999-01-13
Spud 1999-03-04
Permit Applications (5)
Well Details
- Well Number
- 45
- Max Depth
- 13,400 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
Operator
- 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