42-003-39646

Horizontal

UNIVERSITY BLOCK 9 /PENN/UNIT

ANDREWS County · District 8 · XTO ENERGY INC.

Permits

6

Max Depth

12,500 ft

First Permit

2005-08-11

Latest Activity

2023-09-05

Lifespan

18 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

Lease Production

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

Formation Tops (7) Elevation 3,185 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 4,216 ft-1,031 ft
TUBB 5,631 ft-2,446 ft
LWR MISSISSIPPIAN9,941 ft-6,756 ft
WOODFORD 10,274 ft-7,089 ft
WOODFORD SHALE (Woodford)10,292 ft-7,107 ft
DEVONIAN 10,359 ft-7,174 ft
DEVONIAN 10,384 ft-7,199 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-003-38160 UNIVERSITY BLOCK 9 /PENN/UNIT · XTO ENERGY INC.
0.5 mi
Grayburg 4,222'Grayburg 4,370'San Andres 4,754'Wolfcamp 8,412'Pennsylvanian 8,750'Mississippian 9,872'Mississippian 9,889'Woodford 10,203'Devonian 10,284'Devonian 10,290'LEON Seven Rivers +6 more
42-003-38202 UNIVERSITY BLOCK 9 /PENN/ UNIT · XTO ENERGY INC.
0.6 mi
Grayburg 4,292'San Andres 4,648'Tubb 5,696'Wolfcamp 8,446'Pennsylvanian 8,780'Devonian 10,385'
42-003-02915 UNIVERSITY BLOCK 9 · XTO ENERGY INC.
1.0 mi
Wolfcamp 8,465'Mississippian 10,146'Woodford 10,359'Devonian 10,444'
42-003-38582 UNIVERSITY BLOCK 9 /PENN/ UNIT · XTO ENERGY INC.
1.0 mi
Grayburg 4,370'San Andres 4,755'SAND ANDRES 4,755'LOWR CLEARFORK 5,844'Clear Fork 5,900'Wolfcamp 8,410'Wolfcamp 8,420'Pennsylvanian 8,687'Pennsylvanian 8,786'Mississippian 9,503'Mississippian 9,924'Woodford 10,268' +4 more
42-003-38004 UNIVERSITY BLOCK 9 /PENN/ UNIT · XTO ENERGY INC.
1.0 mi
Grayburg 4,370'San Andres 4,754'Wolfcamp 8,407'Pennsylvanian 8,756'Devonian 10,336'
42-003-38438 UNIVERSITY BLOCK 9 /PENN/ UNIT · XTO ENERGY INC.
1.1 mi
Grayburg 4,592'San Andres 4,917'Tubb 6,052'Clear Fork 6,102'LO. CLEARFORK 6,102'LO CLEARFORK 6,102'Wolfcamp 8,402'Pennsylvanian 8,780'Mississippian 9,907'Mississippian 9,910'Woodford 10,250'Woodford 10,250' +4 more
42-003-34915 UNIVERSITY BLOCK 9 /PENN/ UNIT · XTO ENERGY INC.
1.1 mi
Wichita-Albany 7,229'Wolfcamp 8,246'Cisco 8,720'Pennsylvanian 8,786'Canyon 8,896'Pennsylvanian 9,396'LO. MISSISSIPPI 9,945'Mississippian 9,952'Woodford 10,128'Devonian 10,216'Devonian 10,388'
42-003-38263 UNIVERSITY BLOCK 9 /PENN/ UNIT · XTO ENERGY INC.
1.1 mi
San Andres 4,724'Wolfcamp 8,368'Wolfcamp 8,379'Pennsylvanian 8,688'Pennsylvanian 8,722'Devonian 10,245'Devonian 10,299'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (4)

IntervalType
4,438–4,523 ftPerforated
10,375–12,080 ftOpen hole
10,398–12,180 ftOpen hole
10,414–10,566 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"284 ft450 sx
13.375"300 ft450 sx
8.625"5,108 ft800 sx
5.5"10,697 ft170 sx

Records & Logs

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

W-2/G-1 2010-12-08
W-2/G-1 2008-01-22 log on file
W-2/G-1 2008-01-22 log on file
W-2/G-1 2006-03-02 log on file
W-2/G-1 2006-03-02 log on file
W-2/G-1 2006-05-18
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.

Lat 32.201294
Lon -102.589142

Well Details

Well Number
11Q
Max Depth
12,500 ft
Drill Type
Horizontal
County
ANDREWS
District
8

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