42-339-01500

CONROE FIELD UNIT

MONTGOMERY County · District 3 · DENBURY ONSHORE, LLC

Permits

Max Depth

5,163 ft

First Permit

2017-11-15

Latest Activity

2018-06-07

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Plugged 2020-10-19 UIC #000087030 permitted 1997-11-06

Permitted Volume

25,000 bbl/d

Max Pressure

1,000 psi

Injection Interval

2,500–3,856 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2020-03-01)

Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog

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 (5) Elevation 156 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MOODY'S BRANCH	4,766 ft	-4,610 ft
1ST UPPER COCKFIELD	4,814 ft	-4,658 ft
FIRST UPPER COCKFIELD	4,814 ft	-4,658 ft
2ND UPPER COCKFIELD	4,858 ft	-4,702 ft
SECOND UPPER COCKFIELD	4,858 ft	-4,702 ft

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 ↗

Offset Well Tops (nearest 6 wells with tops)

What nearby completed wells reported.

Cross-section

✓ 42-339-01508 CONROE FIELD UNIT · DENBURY ONSHORE, LLC

0.3 mi

Miocene (undifferentiated) 2,250'UPPER COCKFIELD 4,700'UPPER COCKFIELD 4,782'MAIN CONROE 4,850'MAIN CONROE 1A 4,964'

✓ 42-339-01512 CONROE FIELD UNIT · DENBURY ONSHORE, LLC

0.4 mi

Miocene (undifferentiated) 2,045'Anahuac 2,630'Frio 2,720'Vicksburg 3,530'MOODY'S BRANCH 4,707'FIRST UPPER COCKFIELD 4,755'SECOND UPPER COCFIELD 4,820'SECOND UPPER COCKFIELD 4,820'

✓ 42-339-01470 CONROE FIELD UNIT · DENBURY ONSHORE, LLC

0.9 mi

MOODY'S BRANCH 4,796'SECOND UPPER COCKFIELD 4,820'MAIN CONROE 1 4,954'MAIN CONROE 2 5,012'2ND UPPER COCKFIELD —MAIN CONROE 1 —MAIN CONROE 2 —

✓ 42-339-31126 CONROE FIELD UNIT · DENBURY ONSHORE, LLC

1.3 mi

Miocene (undifferentiated) 1,757'Frio 2,728'Vicksburg 3,390'MOODY'S BRANCH 4,645'FIRST UPPER COCKFIELD 4,690'1ST UPPER COCKFIELD 4,690'MAIN CONROE 2A SAND TOP 4,931'UNIDENTIFIED - DISPOSAL (CONROE —GROGAN SAND - DISPOSAL —Yegua —Anahuac —

✓ 42-339-01288 CONROE FIELD UNIT · DENBURY ONSHORE, LLC

1.5 mi

MOODY'S BRANCH 4,753'FIRST UPPER COCKFIELD 4,803'SECOND UPPER COCKFIELD 4,843'

✓ 42-339-00599 CONROE FIELD UNIT · DENBURY ONSHORE, LLC

3.6 mi

MOODY'S BRANCH 4,697'FIRST UPPER COCKFIELD 4,746'SECOND UPPER COCKFIELD 4,786'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (9)

Interval	Type
2,980–3,117 ft	Perforated
2,980–3,177 ft	Perforated
3,482–3,512 ft	Perforated
3,526–3,540 ft	Perforated
3,548–3,564 ft	Perforated
3,816–3,831 ft	Perforated
3,831–3,846 ft	Perforated
4,995–5,005 ft	Perforated
?–5,200 ft	Perforated

Casing (5)

Size	Set Depth	Cement
10.75"	1,287 ft	400 sx
10.75"	1,287 ft	400 sx
10.75"	1,287 ft	400 sx
7.625"	5,000 ft	300 sx
7.625"	5,000 ft	300 sx

Permit History (2)

#840805 Reclass

CONROE FIELD UNIT · 5,163 ft

2018-06-07

#833004 Reclass Final Completion

CONROE FIELD UNIT · 5,163 ft

2017-11-15

Applications (2)

#840805 A DENBURY ONSHORE, LLC

received 2018-06-04

#833004 A DENBURY ONSHORE, LLC

received 2017-11-08

Records & Logs

11 completion filings on record.

W-2/G-1 2018-07-11

W-2/G-1 2015-04-07

W-2/G-1 2012-07-11

W-2/G-1 2012-07-25

W-2/G-1 2004-09-08

W-2/G-1 2004-06-09

+5 more filings

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.

Google Maps → Explorer Map →

Lat 30.225577

Lon -95.357782

Well Details

Well Number: 118D
Max Depth: 5,163 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