42-445-32046

Final Completion

PRENTICE NORTHEAST UNIT

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

Permits

Max Depth

7,358 ft

First Permit

2004-03-05

Latest Activity

2006-10-20

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-10-02

Shut-In

—

Plugged

2013-03-06

EWA / Permit operator mismatch

Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: XTO ENERGY INC.

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 Plugged 2013-03-13 UIC #000095746 permitted 2005-11-17

Permitted Volume

5,750 bbl/d

Max Pressure

2,800 psi

Injection Interval

5,750–7,300 ft

Injected (12mo)

—

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 (7) Elevation 3,535 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	2,439 ft	+1,096 ft
YATES	3,152 ft	+383 ft
SAN ANDRES	4,520 ft	-985 ft
GLORIETA	5,895 ft	-2,360 ft
UPPER CLEARFORK (Clear Fork)	6,141 ft	-2,606 ft
UPR CLEARFORK	6,141 ft	-2,606 ft
TUBB	7,293 ft	-3,758 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)

Interval	Type
5,951–5,973 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	2,432 ft	950 sx
8.625"	2,432 ft	950 sx
5.5"	7,358 ft	1,186 sx

Permit History (2)

#627829 Reclass Final Completion

PRENTICE NORTHEAST UNIT · 7,358 ft

2006-10-20

Spud 2006-06-24

#542859 Drill Final Completion

PRENTICE NORTHEAST UNIT · 7,343 ft

2004-03-05

Spud 2004-05-18

Applications (2)

#627829 A XTO ENERGY INC.

received 2006-10-19

#542859 A XTO ENERGY INC.

received 2004-03-05

Records & Logs

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

W-2/G-1 2008-01-10

W-2/G-1 2006-11-08

W-2/G-1 2004-12-16 log on file

W-2/G-1 2005-10-11

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: 506
Max Depth: 7,358 ft
Drill Type: Vertical
County: TERRY
District: 8
Operator: HIGHMARK ENERGY OPERATING LLC
Completed: 2007-10-02

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