KIMBERLEA

Oil · District 7C · Lease #16638

Operator: SUMMIT PETROLEUM LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

70k BBL

Cum Gas

219k MCF

casinghead

Wells

2

Production

2008-06 — 2026-04

Peak Month

2008-08

Production History

Cum Oil: 69,570 BBL Cum Gas: 218,826 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,673 BBL/mo

Di (annual)

54.8%

b-factor

0.6

EUR

78,019 BBL

R-squared

0.695

type

hyperbolic

Operator History (from monthly production reports)

2017-03 — 2026-07 COG OPERATING LLC 113 mo

2012-03 — 2017-02 SUMMIT PETROLEUM LLC 60 mo

2008-06 — 2012-02 EOG RESOURCES, INC. 45 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-461-34036	COG OPERATING LLC	2	9,600	2015-03-23
2	42-461-35773	COG OPERATING LLC	1	10,600	2008-04-10