MARY K. SHIRK

Oil · District 9 · Lease #17651

Operator: OPAL RESOURCES OPERATING CO.,LLC

Cum Oil

72k BBL

Cum Gas

0 MCF

Wells

2

Production

2011-08 — 2026-03

Peak Month

2011-11

Production History

Cum Oil: 71,987 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

767 BBL/mo

Di (annual)

12.4%

b-factor

0.0

EUR

73,848 BBL

R-squared

0.435

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HUNT OIL COMPANY110,6002013-04-08
5OPAL RESOURCES OPERATING CO.,LLC212,0002011-08-16
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