UNIVERSITY "9" -B-

Oil · District 08 · Lease #37013

Operator: XTO ENERGY INC.

Cum Oil

674 BBL

Cum Gas

907 MCF

casinghead

Wells

1

Production

2003-01 — 2003-09

Peak Month

2003-01

Production History

Cum Oil: 674 BBL Cum Gas: 907 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

163 BBL/mo

Di (annual)

291.8%

b-factor

0.0

EUR

669 BBL

R-squared

0.843

type

exponential

Operator History (from monthly production reports)

2003-01 — 2013-07 XTO ENERGY INC. 127 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2XTO ENERGY INC.310,8002011-06-14