42-003-39153

Final Completion Horizontal

STATE UNIVERSITY -AO-

ANDREWS County · District 8 · XTO ENERGY INC. · TRIPLE-N (GRAYBURG)

Permits

Max Depth

11,700 ft

First Permit

2003-08-14

Latest Activity

2010-03-03

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2003-10-25

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2003-10

Last Production

2026-07

Lease Production

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

Formation Tops (16) Elevation 3,166 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	1,935 ft	+1,231 ft
YATES	3,142 ft	+24 ft
GRAYBURG	4,272 ft	-1,106 ft
SAN ANDRES	4,708 ft	-1,542 ft
WOLFCAMP A (Wolfcamp)	8,407 ft	-5,241 ft
CISCO	8,739 ft	-5,573 ft
STRAWN	9,166 ft	-6,000 ft
MISSISSIPPIAN (NON-PRODUCTIVE) (Mississippian)	9,888 ft	-6,722 ft
MISSISSIPPIAN (NON-PROD) (Mississippian)	9,905 ft	-6,739 ft
MISSISSIPPIAN	9,906 ft	-6,740 ft
WOODFORD (NON-PRODUCTIVE) (Woodford)	10,240 ft	-7,074 ft
WOODFORD	10,243 ft	-7,077 ft
WOODFORD (NON-PRODUCTIVE) (Woodford)	10,243 ft	-7,077 ft
DEVONIAN (PRODUCTIVE) (Devonian)	10,318 ft	-7,152 ft
DEVONIAN	10,322 ft	-7,156 ft
DEVONIAN (PRODUCTIVE) (Devonian)	10,322 ft	-7,156 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 (8)

Interval	Type
4,580–4,641 ft	Perforated
10,121–12,987 ft	Open hole
10,157–11,551 ft	Perforated
10,157–11,551 ft	Open hole
10,346–10,596 ft	Perforated
10,403–11,681 ft	Open hole
10,466–10,596 ft	Perforated
10,513–11,681 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	300 ft	300 sx
8.625"	300 ft	2,100 sx
8.625"	4,899 ft	1,050 sx
5.5"	10,717 ft	840 sx

Permit History (5)

#691893 Recompletion Final Completion

UNIVERSITY BLOCK 9 · 10,500 ft

2010-03-03

Spud 2010-03-06

#636848 Recompletion Final Completion

STATE UNIVERSITY AO · 11,500 ft

2007-04-18

Spud 2007-04-24

#605571 Recompletion Final Completion

STATE UNIVERSITY AO · 11,700 ft

2005-08-29

Spud 2005-09-03

#545394 Drill Final Completion

STTATE UNIVERSITY -AO- · 10,700 ft

2004-05-06

Spud 2004-05-18

#535315 Drill Final Completion

STATE UNIVERSITY -AO- · 4,800 ft

2003-08-14

Spud 2003-09-12

Applications (5)

#691893 A XTO ENERGY INC.

received 2010-02-25

#636848 A XTO ENERGY INC.

received 2007-04-11

#605571 A XTO ENERGY INC.

received 2005-08-29

#545394 A XTO ENERGY INC.

received 2004-05-06

#535315 A XTO ENERGY INC.

received 2003-08-14

Records & Logs

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

W-2/G-1 2016-08-12

W-2/G-1 2010-07-20 log on file

W-2/G-1 2010-03-10 log on file

W-2/G-1 2010-03-10

W-2/G-1 2010-03-30

+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: 13AO
Max Depth: 11,700 ft
Drill Type: Horizontal
County: ANDREWS
District: 8
Operator: XTO ENERGY INC.
Completed: 2003-10-25

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