42-003-39249

INJECTION

SHAFTER LAKE CLEARFORK UNIT

ANDREWS County · District 8 · HIGHMARK ENERGY OPERATING LLC · SHAFTER LAKE (CLEAR FORK)

Permits

1

Max Depth

7,200 ft

First Permit

2004-05-17

Latest Activity

2004-05-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2005-05-02

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: HENRY PETROLEUM LP

Resolved via: productionHIGHMARK ENERGY OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1995-02

Last Production

2026-07

H-1 Injection Active UIC #000094350 permitted 2004-07-08

Permitted Volume

750 bbl/d

Max Pressure

2,500 psi

Injection Interval

5,700–7,000 ft

Injected (12mo)

12,934 bbl

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

Lease Production

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

Formation Tops (5) Elevation 3,216 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,878 ft+338 ft
SAN ANDRES 4,490 ft-1,274 ft
LOWER CLEARFORK (Clear Fork)6,650 ft-3,434 ft
TUBB 6,794 ft-3,578 ft
FULLERTON6,898 ft-3,682 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
6,627–6,814 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,631 ft650 sx
5.5"6,991 ft1,460 sx

Permit History (1)

Applications (1)

#544126 A HENRY PETROLEUM LP
received 2004-04-05

Records & Logs

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

W-2/G-1 2005-05-09 log on file
W-2/G-1 2005-08-23
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
5245
Max Depth
7,200 ft
Drill Type
Vertical
County
ANDREWS
District
8
Completed
2005-05-02

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