CNB "G" 345

Oil · District 14 · Lease #7678

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

142k BBL

Cum Gas

0 MCF

Wells

3

Production

2006-07 — 2026-03

Peak Month

2007-04

Production History

Cum Oil: 142,287 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,005 BBL/mo

Di (annual)

62.0%

b-factor

0.6

EUR

125,340 BBL

R-squared

0.697

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HEOG RESOURCES, INC.19,0002007-02-01
11HEOG RESOURCES, INC.19,0002006-08-18
10HEOG RESOURCES, INC.19,0002006-05-08
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