42-003-34877

INJECTION

BITLER-LOWE CLEARFORK UNIT

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

Permits

Max Depth

7,200 ft

First Permit

1985-04-08

Latest Activity

2009-05-27

Lifespan

24 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-02-17

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: COG OPERATING 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

ANDREWS County disposal market →

H-1 Injection Cancelled 2009-09-28 UIC #000062092 permitted 1984-06-26

Permitted Volume

1,000 bbl/d

Max Pressure

1,800 psi

Injection Interval

7,094–7,130 ft

Injected (12mo)

18,005 bbl

H-1 Injection Active UIC #000103820 permitted 2011-10-10

Permitted Volume

2,000 bbl/d

Max Pressure

3,050 psi

Injection Interval

6,100–7,200 ft

Injected (12mo)

18,005 bbl

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

Operator History

Chain of Custody

MARALO, INC. 1993-1998→ MARALO, LLC 1999-2004→ COG OPERATING LLC 2004-2012→ LEGACY RESERVES OPERATING LP 2013-2023→ HIGHMARK ENERGY OPERATING, LLC 2023-2026

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 (4) Elevation 3,320 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ANDRES	4,499 ft	-1,179 ft
GLORIETA	5,712 ft	-2,392 ft
U. CLEARFORK	6,172 ft	-2,852 ft
UPPER CLEARFORK (Clear Fork)	6,172 ft	-2,852 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 (2)

Interval	Type
6,174–6,237 ft	Perforated
6,743–7,151 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	1,700 ft	1,050 sx
8.625"	1,702 ft	1,050 sx
5.5"	7,200 ft	560 sx

Permit History (2)

#680836 Reclass Final Completion

BITLER-LOWE CLEARFORK UNIT · 7,200 ft

2009-05-27

Spud 2009-05-28

#271517 Drill Final Completion

BITLER LOWE CLEARFORK UNIT · 7,200 ft

1985-04-08

Spud 1985-06-04

Applications (2)

#680836 A COG OPERATING LLC

received 2009-04-29

#271517 A MARALO, INC.

received 1985-04-01

Records & Logs

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

W-2/G-1 2014-03-11

W-2/G-1 2009-06-02 log on file

W-2/G-1 2005-12-20

W-2/G-1 1994-09-27

W-2/G-1 1986-10-21

W-2/G-1 1986-11-19

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: 3C
Max Depth: 7,200 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: HIGHMARK ENERGY OPERATING LLC
Completed: 2014-02-17

Operator

Name: HIGHMARK ENGY OPER, LLC
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