CALVERT

Oil · District 01 · Lease #16076

Operator: BLACKBRUSH O & G, LLC

Cum Oil

94k BBL

Cum Gas

2.0M MCF

casinghead

Wells

3

Production

2011-06 — 2026-04

Peak Month

2013-11

Production History

Cum Oil: 94,117 BBL Cum Gas: 2,005,858 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,468 BBL/mo

Di (annual)

231.4%

b-factor

1.5

EUR

117,485 BBL

R-squared

0.419

type

hyperbolic

Operator History (from monthly production reports)

2012-05 — 2026-07 BLACKBRUSH O & G, LLC 171 mo
2011-06 — 2012-04 BLACKBRUSH O & G, INC. 11 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HBLACKBRUSH O & G, LLC26,5002012-02-08
2HBLACKBRUSH O & G, LLC17,5002011-08-24
1HBLACKBRUSH O & G, LLC16,5002011-05-19