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GLASS 16

MITCHELL County · District 8 · HIGHMARK ENERGY OPERATING LLC · A & S (MISS.)

Permits

1

Max Depth

8,000 ft

First Permit

2005-10-10

Latest Activity

2005-10-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2006-02-17

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Production operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Production: LEGACY RESERVES OPERATING LP (reported 2020-12)

!

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: COG OPERATING LLC

Resolved via: schedulingHIGHMARK ENERGY OPERATING LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2006-02

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 (6) Elevation 2,165 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 1,205 ft+960 ft
WICHITA ALBANY (Wichita-Albany)3,447 ft-1,282 ft
WOLFCAMP LIME (Wolfcamp)3,670 ft-1,505 ft
WOLFCAMP SAND (Wolfcamp)5,984 ft-3,819 ft
STRAWN 7,787 ft-5,622 ft
MISSISSIPPIAN 7,883 ft-5,718 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
7,883–7,912 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"502 ft455 sx
8.625"2,017 ft1,350 sx
5.5"8,050 ft850 sx
8.625"950 sx

Permit History (1)

Applications (1)

#607605 A COG OPERATING LLC
received 2005-10-10

Records & Logs

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

W-2/G-1 2006-03-03 log on file
W-2/G-1 2006-05-16

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 MITCHELL County.

Well Details

Well Number
1
Max Depth
8,000 ft
Drill Type
Vertical
County
MITCHELL
District
8
Completed
2006-02-17

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