42-003-37907

Final Completion

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

1996-07-05

Latest Activity

1996-07-05

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1996-10-04

Shut-In

Plugged

2019-08-21

!

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: HENRY PETROLEUM CORP.

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 Plugged 2019-08-23 UIC #000083205 permitted 2008-02-27

Permitted Volume

750 bbl/d

Max Pressure

2,500 psi

Injection Interval

5,700–7,000 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2020-03-01)

Lease Production

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

Formation Tops (4) Elevation 3,188 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,865 ft+323 ft
SAN ANDRES 4,471 ft-1,283 ft
CLEARFORK (Clear Fork)5,810 ft-2,622 ft
TUBB 6,754 ft-3,566 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
6,640–6,877 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,614 ft535 sx
4.5"7,039 ft2,100 sx

Permit History (1)

Applications (1)

#449923 A HENRY PETROLEUM CORP.
received 1996-07-01

Records & Logs

2 completion filings on record.

W-2/G-1 1996-10-11
W-2/G-1 1996-12-16
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
225
Max Depth
7,200 ft
Drill Type
Vertical
County
ANDREWS
District
8
Completed
1996-10-04

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