DERBY RANCH

Oil · District 01 · Lease #17338

Operator: BLACKBRUSH O & G, LLC

Cum Oil

34k BBL

Cum Gas

1.2M MCF

casinghead

Wells

2

Production

2013-07 — 2020-04

Peak Month

2013-12

Production History

Cum Oil: 34,276 BBL Cum Gas: 1,205,438 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

821 BBL/mo

Di (annual)

52.5%

b-factor

0.0

EUR

18,721 BBL

R-squared

0.312

type

exponential

Operator History (from monthly production reports)

2013-07 — 2024-05 BLACKBRUSH O & G, LLC 131 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HBLACKBRUSH O & G LLC18,0002013-09-24
1HBLACKBRUSH O & G LLC18,0002013-04-25