BLACKWELL

Oil · District 7C · Lease #15647

Operator: HENRY PETROLEUM LP

Cum Oil

207k BBL

Cum Gas

728k MCF

casinghead

Wells

5

Production

2004-12 — 2010-04

Peak Month

2008-05

Production History

Cum Oil: 206,733 BBL Cum Gas: 728,034 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,823 BBL/mo

Di (annual)

127.3%

b-factor

1.2

EUR

392,442 BBL

R-squared

0.914

type

hyperbolic

Operator History (from monthly production reports)

2009-01 — 2010-07 COG OPERATING LLC 19 mo
2004-12 — 2008-12 HENRY PETROLEUM LP 49 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5COG OPERATING LLC110,8002007-12-12
4COG OPERATING LLC110,8002007-04-03
3COG OPERATING LLC110,8002005-11-29
4701COG OPERATING LLC211,0002005-07-25
2COG OPERATING LLC110,8002004-10-04