42-445-30846

Final Completion

PRENTICE NORTHEAST UNIT

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

Permits

Max Depth

7,500 ft

First Permit

1980-06-17

Latest Activity

2007-01-30

Lifespan

27 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-02-17

Shut-In

—

Plugged

—

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 Active UIC #000039969 permitted 1995-09-05

Permitted Volume

2,500 bbl/d

Max Pressure

2,800 psi

Injection Interval

5,750–7,300 ft

Injected (12mo)

120,428 bbl

H-1 Injection Cancelled 2016-11-09 UIC #000051264 permitted 1995-09-05

Permitted Volume

2,500 bbl/d

Max Pressure

2,800 psi

Injection Interval

5,750–7,300 ft

Injected (12mo)

120,428 bbl

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 (2) Elevation 3,534 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GLORIETA	5,886 ft	-2,352 ft
CLEARFORK (Clear Fork)	6,123 ft	-2,589 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 (6)

Interval	Type
5,948–5,974 ft	Perforated
5,948–6,884 ft	Perforated
6,450–6,884 ft	Open hole
6,627–6,852 ft	Perforated
6,627–7,204 ft	Perforated
6,977–7,204 ft	Perforated

Casing (4)

Size	Set Depth	Cement
9.625"	2,464 ft	950 sx
9.625"	2,464 ft	950 sx
2.875"	6,096 ft	—
7"	6,450 ft	1,450 sx

Permit History (2)

#631539 Recompletion Final Completion

PRENTICE NORTHEAST UNIT · 7,500 ft

2007-01-30

Spud 2006-09-18

#84175 Drill Final Completion

PRENTICE NORTHEAST UNIT · 7,100 ft

1980-06-17

Spud 1980-09-02

Applications (2)

#631539 A XTO ENERGY INC.

received 2007-01-07

#84175 A AMOCO PRODUCTION COMPANY

received 1980-06-17

Records & Logs

6 completion filings on record.

W-2/G-1 2016-11-09

W-2/G-1 2011-02-01

W-2/G-1 1989-07-31

W-2/G-1 1980-12-23

W-2/G-1 1989-08-15

W-2/G-1 1980-12-23

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: 148
Max Depth: 7,500 ft
Drill Type: Vertical
County: TERRY
District: 8
Operator: HIGHMARK ENERGY OPERATING LLC
Completed: 2007-02-17

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