KEITH AND DOWLEN

Oil · District 03 · Lease #23254

Operator: HILCORP ENERGY COMPANY

Cum Oil

31k BBL

Cum Gas

28k MCF

casinghead

Wells

1

Production

1997-06 — 2004-01

Peak Month

1998-06

Production History

Cum Oil: 31,398 BBL Cum Gas: 27,630 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

651 BBL/mo

Di (annual)

16.0%

b-factor

0.0

EUR

48,769 BBL

R-squared

0.514

type

exponential

Operator History (from monthly production reports)

2000-09 — 2004-05 HILCORP ENERGY COMPANY 45 mo
1997-06 — 2000-08 AMOCO PRODUCTION COMPANY 39 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
27HILCORP ENERGY COMPANY36,2001997-07-03