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42-445-31334

SHUT IN

PRENTICE NORTHEAST UNIT

TERRY County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)

Permits

1

Max Depth

7,000 ft

First Permit

1985-04-23

Latest Activity

1985-04-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1996-09-25

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: AMOCO PRODUCTION COMPANY

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

H-1 Injection Active UIC #000085124 permitted 1996-08-21

Permitted Volume

2,500 bbl/d

Max Pressure

2,800 psi

Injection Interval

5,750–7,300 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Operator History

Chain of Custody

AMOCO PRODUCTION COMPANY 1993-1993→ CROSS TIMBERS OPERATING COMPANY 1994-2001→ XTO ENERGY INC. 2001-2021→ HIGHMARK ENERGY OPERATING, LLC 2022-2026

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 3,497 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER ANHYDRITE (Rustler)2,487 ft+1,010 ft
GLORIETA G-1 (Glorieta)6,002 ft-2,505 ft
CLEARFORK C-1 (Clear Fork)6,587 ft-3,090 ft
CLEARFORK C-5 (Clear Fork)6,877 ft-3,380 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)

IntervalType
6,574–6,892 ftOpen hole
6,574–6,905 ftOpen hole

Casing (2)

SizeSet DepthCement
8.625"2,515 ft1,175 sx
5.5"6,574 ft1,550 sx

Permit History (1)

#273313 Drill Final Completion

PRENTICE NORTHEAST UNIT · 7,000 ft

1985-04-23

Spud 1985-06-17

Applications (1)

#273313 A AMOCO PRODUCTION COMPANY
received 1985-04-22

Records & Logs

3 completion filings on record.

W-2/G-1 2004-05-25
W-2/G-1 1985-08-09
W-2/G-1 1985-08-18
Completion packets + logs ↗ Wellbore filings ↗

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 TERRY County.

Well Details

Well Number
255
Max Depth
7,000 ft
Drill Type
Vertical
County
TERRY
District
8
Operator
HIGHMARK ENERGY OPERATING LLC
Completed
1996-09-25

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