LIBBY

Oil · District 7C · Lease #15806

Operator: HENRY PETROLEUM LP

Cum Oil

79k BBL

Cum Gas

275k MCF

casinghead

Wells

1

Production

2005-09 — 2026-04

Peak Month

2005-12

Production History

Cum Oil: 79,345 BBL Cum Gas: 275,338 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,371 BBL/mo

Di (annual)

28.9%

b-factor

0.3

EUR

79,608 BBL

R-squared

0.758

type

hyperbolic

Operator History (from monthly production reports)

2009-01 — 2026-07 COG OPERATING LLC 211 mo
2005-09 — 2008-12 HENRY PETROLEUM LP 40 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COG OPERATING LLC110,8002005-07-11