THE GROVE UNIT

Oil · District 5 · Lease #4079

Operator: VESS OIL CORPORATION

Cum Oil

517k BBL

Cum Gas

0 MCF

Wells

3

Production

2014-05 — 2026-03

Peak Month

2014-10

Production History

Cum Oil: 516,661 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

8,233 BBL/mo

Di (annual)

40.3%

b-factor

1.0

EUR

748,234 BBL

R-squared

0.649

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HEOG RESOURCES, INC.38,3002014-05-29
2HEOG RESOURCES, INC.28,3002014-05-27
1HEOG RESOURCES, INC.28,3002014-05-19
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