GROUSE A

Oil · District 1 · Lease #17925

Operator: PILLAR EFS, LLC

Cum Oil

140k BBL

Cum Gas

0 MCF

Wells

1

Production

2014-08 — 2026-03

Peak Month

2014-09

Production History

Cum Oil: 139,520 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,903 BBL/mo

Di (annual)

19.8%

b-factor

0.0

EUR

115,195 BBL

R-squared

0.418

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HEOG RESOURCES, INC.19,3002014-07-10
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