H & J SEC. 453

Oil · District 8A · Lease #68384

Operator: XTO ENERGY INC.

Cum Oil

40k BBL

Cum Gas

12k MCF

casinghead

Wells

2

Production

2001-10 — 2005-10

Peak Month

2003-01

Production History

Cum Oil: 39,659 BBL Cum Gas: 12,403 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,104 BBL/mo

Di (annual)

13.8%

b-factor

0.0

EUR

95,820 BBL

R-squared

0.488

type

exponential

Operator History (from monthly production reports)

2004-05 — 2006-06 XTO ENERGY INC. 26 mo
2001-10 — 2004-04 MOBIL PRODUCING TX. & N.M. INC. 31 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HILCORP ENERGY COMPANY27,8002002-02-01
1HILCORP ENERGY COMPANY28,0002001-05-08