HEISER

Oil · District 01 · Lease #16968

Operator: BLACKBRUSH O & G, LLC

Cum Oil

22k BBL

Cum Gas

28k MCF

casinghead

Wells

1

Production

2011-10 — 2013-07

Peak Month

2011-10

Production History

Cum Oil: 21,560 BBL Cum Gas: 28,204 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,834 BBL/mo

Di (annual)

928.9%

b-factor

1.2

EUR

34,401 BBL

R-squared

0.578

type

hyperbolic

Operator History (from monthly production reports)

2012-05 — 2016-03 BLACKBRUSH O & G, LLC 47 mo
2011-10 — 2012-04 BLACKBRUSH O & G, INC. 7 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HBLACKBRUSH O & G, LLC37,5002019-06-26