BIRGE

Oil · District 8A · Lease #69530

Operator: GEOMARK RESOURCES, L.L.C.

Fields: CHAMPMON, NORTH (STRAWN)

Cum Oil

96k BBL

Cum Gas

22k MCF

casinghead

Wells

5

Production

2009-11 — 2026-02

Peak Month

2012-09

Production History

Cum Oil: 96,049 BBL Cum Gas: 22,499 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,323 BBL/mo

Di (annual)

28.0%

b-factor

0.0

EUR

56,658 BBL

R-squared

0.627

type

exponential

Operator History (from monthly production reports)

2022-08 — 2026-07 ENR OPERATING, LLC 48 mo

2022-01 — 2022-07 EAGLE CAPITAL PARTNERS, LLC 7 mo

2021-10 — 2021-12 1836 ENERGY LLC 3 mo

2015-06 — 2021-09 COMSTOCK ENERGY, LLC 76 mo

2009-11 — 2015-05 GEOMARK RESOURCES, L.L.C. 67 mo

Wells (5)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
5	42-165-37819	ENR OPERATING, LLC	1	11,125	2013-07-30
2R	42-165-02972	ENR OPERATING, LLC	3	11,200	2013-03-15
2WI	42-165-02972	ENR OPERATING, LLC	3	11,200	2013-03-15
4	42-165-35758	ENR OPERATING, LLC	3	11,200	2012-05-25
1L	42-165-37034	ENR OPERATING, LLC	2	11,500	2009-06-23