SCHUMANN 112

Oil · District 14 · Lease #8177

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

98k BBL

Cum Gas

0 MCF

Wells

1

Production

2010-06 — 2026-03

Peak Month

2010-08

Production History

Cum Oil: 98,234 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,426 BBL/mo

Di (annual)

94.1%

b-factor

0.6

EUR

97,703 BBL

R-squared

0.861

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEOG RESOURCES, INC.29,0002010-02-09
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