42-339-30473

Final Completion

CONROE FIELD UNIT

MONTGOMERY County · District 3 · DENBURY ONSHORE, LLC

Permits

Max Depth

9,250 ft

First Permit

1980-02-12

Latest Activity

2011-07-12

Lifespan

31 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

1980-03-16

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000105785 permitted 2012-10-05

Permitted Volume

25,000 bbl/d

Max Pressure

2,385 psi

Injection Interval

4,770–5,450 ft

Injected (12mo)

25,378 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-03-01)

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 (8) Elevation 159 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MOODY'S BRANCH	4,763 ft	-4,604 ft
FIRST UPPER COCKFIELD	4,812 ft	-4,653 ft
UPPER COCKFIELD 1	4,812 ft	-4,653 ft
SECOND UPPER COCKFIELD	4,855 ft	-4,696 ft
UPPER COCKFIELD 2	4,855 ft	-4,696 ft
MOODY'S BRANCH	—	—
UPPER COCKFIELD 1	—	—
UPPER COCKFIELD 2	—	—

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 (5)

Interval	Type
5,012–5,016 ft	Perforated
5,052–5,146 ft	Perforated
5,066–5,096 ft	Perforated
5,108–5,148 ft	Perforated
5,158–5,174 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	2,038 ft	1,050 sx
5.5"	5,601 ft	1,070 sx

Permit History (2)

#719777 Reenter Final Completion

CONROE FIELD UNIT · 6,500 ft

2011-07-12

Spud 2011-07-22

#72514 Drill Plug Dry Hole (P&A)

HENSLEY · 9,250 ft

1980-02-12

Applications (2)

#719777 A DENBURY ONSHORE, LLC

received 2011-07-06

#72514 A CPC EXPLORATION INC.

received 1980-02-12

Records & Logs

4 completion filings on record.

W-2/G-1 2022-09-12

W-2/G-1 2018-11-01

W-2/G-1 2013-09-17

W-2/G-1 2011-09-07

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: 4160
Max Depth: 9,250 ft
Drill Type: Vertical
County: MONTGOMERY
District: 3
Operator: DENBURY ONSHORE, LLC

Operator

Name: DENBURY ONSHORE, LLC
Location: SPRING
P-5 Status: Active (filed 2025-12-30)
Cum Oil (all leases): 79,356,105 bbl
Cum Gas (all leases): 109,808,060 mcf
Activities: GTHS/G, OPRS/G, OPRS/O
Total Permits: 789