BARTZ 19A

Oil · District 14 · Lease #9037

Operator: TAPSTONE ENERGY, LLC

Cum Oil

194k BBL

Cum Gas

0 MCF

Wells

1

Production

2013-08 — 2026-03

Peak Month

2013-08

Production History

Cum Oil: 194,386 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

9,431 BBL/mo

Di (annual)

111.6%

b-factor

0.2

EUR

126,770 BBL

R-squared

0.595

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2119HAPACHE CORPORATION111,0002013-05-30
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