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42-003-38691

Final Completion HorizontalSidetrack

STATE UNIVERSITY -AT-

ANDREWS County · District 8 · XTO ENERGY INC. · UNIVERSITY BLOCK 9 (DEVONIAN)

Permits

6

Max Depth

11,400 ft

First Permit

2000-11-10

Latest Activity

2010-03-30

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-07-19

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-1997→ CROSS TIMBERS OPERATING COMPANY 1997-2001→ XTO ENERGY INC. 2001-2026

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (12) Elevation 3,176 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,904 ft+1,272 ft
GRAYBURG 4,221 ft-1,045 ft
SAN ANDRES 4,598 ft-1,422 ft
WOLFCAMP 8,369 ft-5,193 ft
PENN (Pennsylvanian)8,705 ft-5,529 ft
MISSISSIPPIAN 9,786 ft-6,610 ft
MISSISSIPPIAN (NON-PRODUCTIVE) (Mississippian)9,786 ft-6,610 ft
WOODFORD 10,129 ft-6,953 ft
WOODFORD (NON-PRODUCTIVE) (Woodford)10,129 ft-6,953 ft
DEVONIAN 10,218 ft-7,042 ft
DEVONIAN (PRODUCTIVE) (Devonian)10,218 ft-7,042 ft
DEVONIAN 10,223 ft-7,047 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 (5)

IntervalType
9,940–11,541 ftOpen hole
10,025–11,339 ftOpen hole
10,217–11,217 ftOpen hole
10,230–10,632 ftPerforated
10,266–10,314 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"308 ft375 sx
8.625"5,213 ft650 sx
5.5"10,694 ft765 sx

Permit History (6)

#693617 Recompletion Final Completion

UNIVERSITY BLOCK 9 · 11,000 ft

2010-03-30

Spud 2010-04-25

#637250 Recompletion Final Completion

STATE UNIVERSITY AT · 10,600 ft

2007-04-24

Spud 2007-05-10

#520004 Recompletion Final Completion

STATE UNIVERSITY -AT- · 11,400 ft

2002-05-15

Spud 2002-06-05

#520004 Recompletion

STATE UNIVERSITY -AT- · 11,400 ft

2002-05-15

#501827 Drill Final Completion

STATE UNIVERSITY AT · 10,700 ft

2000-11-10

#501827 Drill

STATE UNIVERSITY AT · 10,700 ft

2000-11-10

Spud 2000-11-26

Applications (6)

#693617 A XTO ENERGY INC.
received 2010-03-29
#637250 A XTO ENERGY INC.
received 2007-04-17
#520004 A XTO ENERGY INC.
received 2002-05-28
#520004 A XTO ENERGY INC.
received 2002-05-15
#501827 A CROSS TIMBERS OPERATING COMPANY
received 2000-11-20
#501827 A CROSS TIMBERS OPERATING COMPANY
received 2000-11-10

Records & Logs

8 completion filings on record · 5 with log images at RRC.

W-2/G-1 2010-07-23
W-2/G-1 2010-07-26 log on file
W-2/G-1 2008-01-20 log on file
W-2/G-1 2008-01-20 log on file
W-2/G-1 2002-08-01
W-2/G-1 2001-03-05 log on file

+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 ANDREWS County.

Well Details

Well Number
8AT
Max Depth
11,400 ft
Drill Type
Horizontal, Sidetrack
County
ANDREWS
District
8
Operator
XTO ENERGY INC.
Completed
2007-07-19

Operator

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