DONAHO UNIT

Oil · District 5 · Lease #3973

Operator: VESS OIL CORPORATION

Cum Oil

114k BBL

Cum Gas

0 MCF

Wells

1

Production

2012-05 — 2026-03

Peak Month

2012-05

Production History

Cum Oil: 113,938 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,791 BBL/mo

Di (annual)

169.9%

b-factor

1.2

EUR

155,994 BBL

R-squared

0.872

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEOG RESOURCES, INC.29,0002012-02-23
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