JOHN OPPENHEIMER UNIT

Oil · District 01 · Lease #17686

Operator: BLACKBRUSH O & G, LLC

Cum Oil

75k BBL

Cum Gas

279k MCF

casinghead

Wells

1

Production

2013-04 — 2017-12

Peak Month

2013-05

Production History

Cum Oil: 74,541 BBL Cum Gas: 278,856 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,053 BBL/mo

Di (annual)

167.1%

b-factor

0.1

EUR

64,349 BBL

R-squared

0.693

type

hyperbolic

Operator History (from monthly production reports)

2013-04 — 2023-03 BLACKBRUSH O & G, LLC 120 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101HBLACKBRUSH O & G LLC17,0002013-03-01