UNIVERSITY -198-

Oil · District 08 · Lease #20292

Operator: XTO ENERGY INC.

Cum Oil

371k BBL

Cum Gas

169k MCF

casinghead

Wells

6

Production

1993-01 — 2023-01

Peak Month

2001-07

Production History

Cum Oil: 370,852 BBL Cum Gas: 169,290 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,656 BBL/mo

Di (annual)

33.1%

b-factor

0.3

EUR

186,439 BBL

R-squared

0.866

type

hyperbolic

Operator History (from monthly production reports)

2001-06 — 2026-07 XTO ENERGY INC. 302 mo
1995-12 — 2001-05 CROSS TIMBERS OPERATING COMPANY 66 mo
1993-01 — 1995-11 ANADARKO PETROLEUM CORPORATION 35 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10XTO ENERGY INC.14,5202001-08-09
8XTO ENERGY INC.14,8502001-01-05
7XTO ENERGY INC.15,3001997-12-05
5XTO ENERGY INC.34,8001981-09-21
342-003-10830XTO ENERGY INC.------
442-003-10851XTO ENERGY INC.------