GLASS 134

Oil · District 14 · Lease #8033

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

394k BBL

Cum Gas

0 MCF

Wells

3

Production

2009-09 — 2026-03

Peak Month

2009-12

Production History

Cum Oil: 393,676 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

23,697 BBL/mo

Di (annual)

306.4%

b-factor

0.8

EUR

325,409 BBL

R-squared

0.763

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HEOG RESOURCES, INC.19,0002012-04-23
2HEOG RESOURCES, INC.19,0002009-09-15
1HEOG RESOURCES, INC.29,0002009-05-29
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