SIBLEY CREEK RESERVE

Oil · District 7B · Lease #31336

Operator: ROBUCK PETROLEUM, LLC

Cum Oil

3k BBL

Cum Gas

36k MCF

casinghead

Wells

1

Production

2013-09 — 2026-03

Peak Month

2014-08

Production History

Cum Oil: 3,209 BBL Cum Gas: 36,139 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

89 BBL/mo

Di (annual)

37.2%

b-factor

0.0

EUR

2,841 BBL

R-squared

0.487

type

exponential

Operator History (from monthly production reports)

2018-01 — 2026-07 ROBUCK PETROLEUM, LLC 103 mo
2013-09 — 2017-12 GOOPCO, INC. 52 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CROBUCK PETROLEUM, LLC15,0002013-03-26