LESLIE 223

Oil · District 14 · Lease #8403

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

260k BBL

Cum Gas

0 MCF

Wells

2

Production

2011-04 — 2026-03

Peak Month

2011-06

Production History

Cum Oil: 259,548 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

16,077 BBL/mo

Di (annual)

384.7%

b-factor

0.9

EUR

219,263 BBL

R-squared

0.938

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HEOG RESOURCES, INC.19,0002011-02-14
1HEOG RESOURCES, INC.19,0002011-01-25
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