42-165-01744

Final Completion Horizontal

H & J UNIT 451

GAINES County · District 8 · XTO ENERGY INC.

Permits

Max Depth

12,514 ft

First Permit

1986-09-17

Latest Activity

2007-07-17

Lifespan

21 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MOBIL PRODUCING TX. & N.M. INC. 1993-2004→ XTO ENERGY INC. 2004-2025→ HILCORP ENERGY COMPANY 2025-2026

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 (6) Elevation 3,549 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SALADO	2,196 ft	+1,353 ft
GRAYBURG	4,287 ft	-738 ft
CLEARFORK (Clear Fork)	6,289 ft	-2,740 ft
WOODFORD	10,648 ft	-7,099 ft
WOODFORK	10,648 ft	-7,099 ft
DEVONIAN	10,737 ft	-7,188 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 (4)

Interval	Type
10,396–11,525 ft	Open hole
10,742–11,024 ft	Perforated
11,080–11,304 ft	Perforated
11,234–11,457 ft	Open hole

Casing (8)

Size	Set Depth	Cement
13.375"	437 ft	457 sx
13.375"	437 ft	475 sx
9.625"	4,450 ft	2,600 sx
9.625"	4,450 ft	2,800 sx
7.875"	11,050 ft	1,590 sx
7.625"	11,050 ft	1,590 sx
7.625"	11,050 ft	—
7.625"	—	—

Permit History (2)

#640622 Recompletion Final Completion

H & J UNIT 451 · 11,300 ft

2007-07-17

Spud 2008-01-02

#320482 Recompletion

RUSSELL (7000 CLEARFORK) UNIT · 12,514 ft

1986-09-17

Applications (2)

#640622 A XTO ENERGY INC.

received 2007-06-12

#320482 A MOBIL PRODUCING TX. & N.M. INC.

received 1986-09-12

Records & Logs

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

W-2/G-1 2015-12-09

W-2/G-1 2015-12-02

W-2/G-1 2013-06-21

W-2/G-1 2008-07-09 log on file

W-2/G-1 1990-08-29

+2 more filings

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 GAINES County.

Well Details

Well Number: 15H
Max Depth: 12,514 ft
Drill Type: Horizontal
County: GAINES
District: 8
Operator: XTO ENERGY INC.

Operator

Name: XTO ENGY INC
Location: SPRING
P-5 Status: X (filed 2026-04-08)
Cum Oil (all leases): 772,419,164 bbl
Cum Gas (all leases): 11,039,899,986 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 16,138