UNIVERSITY "9" -A-

Oil · District 08 · Lease #7044

Operator: XTO ENERGY INC.

Cum Oil

782k BBL

Cum Gas

564k MCF

casinghead

Wells

6

Production

1993-01 — 2008-12

Peak Month

2006-08

Production History

Cum Oil: 781,673 BBL Cum Gas: 564,376 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,965 BBL/mo

Di (annual)

26.3%

b-factor

0.4

EUR

709,052 BBL

R-squared

0.367

type

hyperbolic

Operator History (from monthly production reports)

2001-06 — 2009-04 XTO ENERGY INC. 95 mo
1993-01 — 2001-05 CROSS TIMBERS OPERATING COMPANY 101 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6XTO ENERGY INC.411,6002022-03-28
6HXTO ENERGY INC.411,6002022-03-28
5XTO ENERGY INC.310,8502021-11-19
5HXTO ENERGY INC.310,8502021-11-19
3XTO ENERGY INC.411,6502009-06-30
3HXTO ENERGY INC.411,6502009-06-30