G.T. ALLISON

Oil · District 06 · Lease #13830

Operator: VASTAR RESOURCES, INC.

Cum Oil

4k BBL

Cum Gas

136k MCF

casinghead

Wells

1

Production

1998-03 — 2001-09

Peak Month

1999-05

Production History

Cum Oil: 3,528 BBL Cum Gas: 136,185 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

189 BBL/mo

Di (annual)

214.7%

b-factor

2.0

EUR

14,433 BBL

R-squared

0.350

type

hyperbolic

Operator History (from monthly production reports)

2002-01 — 2005-07 BP AMERICA PRODUCTION COMPANY 43 mo
1998-03 — 2001-12 VASTAR RESOURCES, INC. 46 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5MMGL EAST TEXAS III, LLC29,5001998-02-18