CERNOSEK

Oil · District 03 · Lease #27066

Operator: GEOSOUTHERN OPERATING II, LLC

Cum Oil

72k BBL

Cum Gas

248k MCF

casinghead

Wells

1

Production

2015-07 — 2026-04

Peak Month

2015-09

Production History

Cum Oil: 71,596 BBL Cum Gas: 248,404 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,456 BBL/mo

Di (annual)

331.6%

b-factor

0.6

EUR

73,155 BBL

R-squared

0.941

type

hyperbolic

Operator History (from monthly production reports)

2016-01 — 2026-07 GEOSOUTHERN OPERATING II, LLC 127 mo
2015-07 — 2015-12 GEOSOUTHERN ENERGY CORPORATION 6 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HGEOSOUTHERN OPERATING II, LLC314,0002015-02-10