42-003-43275

PRODUCING

LOWE M. R. 15

ANDREWS County · District 8 · HIGHMARK ENERGY OPERATING LLC · FULLERTON

Permits

1

Max Depth

8,000 ft

First Permit

2011-08-12

Latest Activity

2011-08-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-10-25

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

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

Resolved via: productionHIGHMARK ENERGY OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2006-07

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 (2) Elevation 3,294 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CLEARFORK (Clear Fork)6,100 ft-2,806 ft
LOWER CLEARFORK (Clear Fork)6,900 ft-3,606 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
6,234–7,149 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,774 ft1,060 sx
5.5"7,258 ft1,400 sx

Permit History (1)

Applications (1)

#722106 A COG OPERATING LLC
received 2011-08-11

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2011-11-22 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 ANDREWS County.

Well Details

Well Number
8
Max Depth
8,000 ft
Drill Type
Vertical
County
ANDREWS
District
8
Completed
2011-10-25

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