42-339-01512

Final Completion

KEYSTONE MILLS CO.

MONTGOMERY County · District 3 · EXXON CORP. · CONROE

RRC Lookup

Permits

Max Depth

5,124 ft

First Permit

2017-11-16

Latest Activity

2017-11-16

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: EXXON CORP. ≠ Production: HIGHMARK ENERGY OPERATING, LLC (reported 2025-12)

EWA / Permit operator mismatch

Scheduling: EXXON CORP. ≠ Permit: DENBURY ONSHORE, LLC

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

EXXON CORP. 1993-2000→ EXXON MOBIL CORPORATION 2000-2006→ WAPITI OPERATING, LLC 2006-2009→ DENBURY ONSHORE, LLC 2010-2024→ HIGHMARK ENERGY OPERATING, LLC 2024-2025

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)

#833031 Reclass Final Completion

CONROE FIELD UNIT · 5,124 ft

2017-11-16

Permit Applications (1)

#833031 A DENBURY ONSHORE, LLC

received 2017-11-08

Google Maps → Explorer Map →

Lat 30.229993

Lon -95.361903

Well Details

Well Number: 100D
Max Depth: 5,124 ft
Drill Type: Vertical
County: MONTGOMERY
District: 3
Operator: EXXON CORP.

Operator

Name: YOUNGBLOOD, C. S. III
Location: HOUSTON
P-5 Status: Y (filed 2003-01-03)
Cum Oil (all leases): 215,968,885 bbl
Cum Gas (all leases): 2,000,503,710 mcf
Activities: OPRS/O
Total Permits: 19,549

External Links

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