← Wells

42-339-01512

Final Completion

CONROE FIELD UNIT

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

Permits

1

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 / 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 Active UIC #000062071 permitted 1995-04-06

Permitted Volume

25,000 bbl/d

Max Pressure

1,000 psi

Injection Interval

2,250–4,385 ft

Injected (12mo)

—

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

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 (8) Elevation 159 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))2,045 ft-1,886 ft
ANAHUAC 2,630 ft-2,471 ft
FRIO 2,720 ft-2,561 ft
VICKSBURG 3,530 ft-3,371 ft
MOODY'S BRANCH4,707 ft-4,548 ft
FIRST UPPER COCKFIELD4,755 ft-4,596 ft
SECOND UPPER COCFIELD4,820 ft-4,661 ft
SECOND UPPER COCKFIELD4,820 ft-4,661 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'
✓ 42-339-01500 CONROE FIELD UNIT · DENBURY ONSHORE, LLC
0.4 mi
MOODY'S BRANCH 4,766'FIRST UPPER COCKFIELD 4,814'1ST UPPER COCKFIELD 4,814'2ND UPPER COCKFIELD 4,858'SECOND UPPER COCKFIELD 4,858'
✓ 42-339-01470 CONROE FIELD UNIT · DENBURY ONSHORE, LLC
0.5 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
1.1 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
1.2 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
3.3 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 (7)

IntervalType
3,470–3,490 ftPerforated
3,470–3,790 ftPerforated
3,494–3,506 ftPerforated
3,672–3,690 ftPerforated
3,690–3,708 ftPerforated
3,720–3,740 ftPerforated
?–5,200 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"975 ft350 sx
7"5,008 ft200 sx
7"5,010 ft200 sx

Permit History (1)

#833031 Reclass Final Completion

CONROE FIELD UNIT · 5,124 ft

2017-11-16

Applications (1)

#833031 A DENBURY ONSHORE, LLC
received 2017-11-08

Records & Logs

8 completion filings on record.

W-2/G-1 2022-10-03
W-2/G-1 2017-12-06
W-2/G-1 2006-04-11
W-2/G-1 2000-05-08
W-2/G-1 1993-06-23
W-2/G-1 1987-07-27

+2 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 30.229993
Lon -95.361903

Well Details

Well Number
100D
Max Depth
5,124 ft
Drill Type
Vertical
County
MONTGOMERY
District
3
Operator
HIGHMARK ENERGY OPERATING LLC

Operator

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