42-003-38226

Final Completion

UNIVERSITY BLOCK 9 /PENN/ UNIT

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

Permits

Max Depth

9,600 ft

First Permit

1997-06-20

Latest Activity

2015-06-11

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1997-10-01

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

ANADARKO PETROLEUM CORPORATION 1993-1995→ CROSS TIMBERS OPERATING COMPANY 1993-2001→ 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.

Formation Tops (6) Elevation 3,168 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GRAYBURG	4,499 ft	-1,331 ft
SAN ANDRES	4,847 ft	-1,679 ft
WOLFCAMP	8,169 ft	-5,001 ft
WOLFCAMP	8,424 ft	-5,256 ft
PENN (Pennsylvanian)	8,784 ft	-5,616 ft
PENNSYLVANIAN	8,784 ft	-5,616 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
8,233–8,485 ft	Perforated
8,792–8,803 ft	Perforated
8,908–8,910 ft	Perforated
8,914–8,916 ft	Perforated
8,942–8,948 ft	Perforated
8,963–8,966 ft	Perforated
9,050–9,054 ft	Perforated
9,156–9,160 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	312 ft	400 sx
13.375"	312 ft	400 sx
8.625"	5,150 ft	850 sx
5.5"	9,388 ft	700 sx

Permit History (2)

#806271 Recompletion Final Completion

UNIVERSITY BLK.9/WOLFCAMP/UNIT · 9,390 ft

2015-06-11

Spud 2015-07-06

#463543 Drill Final Completion

UNIVERSITY BLOCK 9 PENN UNIT · 9,600 ft

1997-06-20

Spud 1997-07-25

Applications (2)

#806271 A XTO ENERGY INC.

received 2015-05-06

#463543 A CROSS TIMBERS OPERATING COMPANY

received 1997-06-09

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2016-04-19

W-2/G-1 1997-10-13 log on file

W-2/G-1 1998-03-17

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: 55
Max Depth: 9,600 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: XTO ENERGY INC.
Completed: 1997-10-01

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