GLASS 308

Oil · District 14 · Lease #8486

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

213k BBL

Cum Gas

0 MCF

Wells

2

Production

2011-02 — 2026-03

Peak Month

2011-03

Production History

Cum Oil: 212,775 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

15,415 BBL/mo

Di (annual)

408.8%

b-factor

0.9

EUR

199,583 BBL

R-squared

0.936

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HEOG RESOURCES, INC.19,0002010-11-16
1HEOG RESOURCES, INC.39,0002010-09-03
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