SIBLEY CREEK RESERVE

Oil · District 7B · Lease #31219

Operator: ROBUCK PETROLEUM, LLC

Cum Oil

11k BBL

Cum Gas

0 MCF

Wells

1

Production

2013-05 — 2026-03

Peak Month

2013-06

Production History

Cum Oil: 10,999 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

443 BBL/mo

Di (annual)

64.8%

b-factor

0.1

EUR

9,090 BBL

R-squared

0.714

type

hyperbolic

Operator History (from monthly production reports)

2018-01 — 2026-07 ROBUCK PETROLEUM, LLC 103 mo
2013-05 — 2017-12 GOOPCO, INC. 56 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1AROBUCK PETROLEUM, LLC15,0002013-02-14