42-295-32722

Final Completion

COOPER 436

LIPSCOMB County · District 10 · HIGHMARK ENERGY OPERATING LLC · LIPSCOMB (CLEVELAND)

Permits

2

Max Depth

8,650 ft

First Permit

2003-12-16

Latest Activity

2003-12-16

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2004-06-07

Shut-In

Plugged

2014-04-17

!

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: EOG RESOURCES, INC.

Resolved via: productionHIGHMARK ENERGY OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2004-04

Last Production

2026-07

Lease Production

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

Formation Tops (3) Elevation 2,446 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CHECKERBOARD LS8,028 ft-5,582 ft
CLEVELAND FORM (Cleveland)8,112 ft-5,666 ft
CLEVELAND SAND (Cleveland)8,180 ft-5,734 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 ↗

Perforations (1)

IntervalType
8,226–8,274 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,925 ft1,050 sx
4.5"8,650 ft520 sx

Permit History (2)

Applications (2)

#539715 A EOG RESOURCES, INC.
received 2004-09-16
#539715 A EOG RESOURCES, INC.
received 2003-12-16

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2004-08-05 log on file
W-2/G-1 2004-09-22

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 LIPSCOMB County.

Well Details

Well Number
1
Max Depth
8,650 ft
Drill Type
Vertical
County
LIPSCOMB
District
10
Completed
2004-06-07

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