POWELL -4- A

Oil · District 10 · Lease #33525

Operator: VANGUARD PERMIAN, LLC

Cum Oil

1.5M BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2020-09

Peak Month

2000-02

Production History

Cum Oil: 1,480,505 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

12,778 BBL/mo

Di (annual)

29.5%

b-factor

0.1

EUR

577,553 BBL

R-squared

0.941

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
23DTREND EXPLORATION COMPANY18,4001992-06-22
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