42-339-31089

Final Completion

CONROE FIELD UNIT

MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE

Permits

Max Depth

6,504 ft

First Permit

2008-07-02

Latest Activity

2010-12-07

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2009-11-06

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ 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

2026-07

Injection / Disposal

H-1 Injection Cancelled 2015-02-02 UIC #000099168 permitted 2009-08-19

Permitted Volume

25,000 bbl/d

Max Pressure

1,700 psi

Injection Interval

3,400–6,300 ft

Injected (12mo)

—

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 2024-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil

production & DCA →

Formation Tops (2) Elevation 171 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MAIN CONROE	—	—
UPR COCKFIELD	—	—

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

Interval	Type
4,965–4,982 ft	Perforated
5,136–5,155 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,427 ft	1,085 sx
7"	6,332 ft	1,507 sx
7"	—	650 sx

Permit History (2)

#706228 Reclass Final Completion

CONROE FIELD UNIT · 6,504 ft

2010-12-07

Spud 2010-12-22

#664554 Drill Final Completion

CONROE FIELD UNIT · 6,500 ft

2008-07-02

Spud 2009-01-04

Applications (2)

#706228 A DENBURY ONSHORE, LLC

received 2010-12-02

#664554 A WAPITI OPERATING, LLC

received 2008-06-16

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 2010-05-19 log on file

W-2/G-1 2011-01-21

W-2/G-1 2010-05-19 log on file

W-2/G-1 2010-05-27

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MONTGOMERY County.

Well Details

Well Number: 2315
Max Depth: 6,504 ft
Drill Type: Vertical
County: MONTGOMERY
District: 3
Operator: HIGHMARK ENERGY OPERATING LLC
Completed: 2009-11-06

Operator

Name: HIGHMARK ENGY OPER, LLC
Location: HOUSTON
P-5 Status: Active (filed 2026-03-09)
Cum Oil (all leases): 4,551,977 bbl
Cum Gas (all leases): 30,465,409 mcf
Activities: CSGD/G, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 15