UNIVERSITY "9" -CE-

Oil · District 08 · Lease #7042

Operator: XTO ENERGY INC.

Cum Oil

1.0M BBL

Cum Gas

548k MCF

casinghead

Wells

7

Production

1993-01 — 2008-12

Peak Month

2008-10

Production History

Cum Oil: 1,025,355 BBL Cum Gas: 548,338 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,534 BBL/mo

Di (annual)

25.9%

b-factor

2.0

EUR

5,337,271 BBL

R-squared

0.471

type

hyperbolic

Operator History (from monthly production reports)

2001-06 — 2009-04 XTO ENERGY INC. 95 mo
1995-12 — 2001-05 CROSS TIMBERS OPERATING COMPANY 66 mo
1993-01 — 1995-11 ANADARKO PETROLEUM CORPORATION 35 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
E 8XTO ENERGY INC.210,7002021-11-19
E 1 LXTO ENERGY INC.110,8001982-01-27
C 1 L42-003-00385XTO ENERGY INC.------
C 2 L42-003-00458XTO ENERGY INC.------
C 4 L42-003-00314XTO ENERGY INC.------
C 5 L42-003-00317XTO ENERGY INC.------
E 3 L42-003-00306XTO ENERGY INC.------