BROWNFIELD 'B'

Oil · District 11 · Lease #70486

Operator: DUNCAN OIL PROPERTIES, INC.

Cum Oil

5k BBL

Cum Gas

0 MCF

Wells

1

Production

2013-09 — 2022-11

Peak Month

2013-09

Production History

Cum Oil: 4,993 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

103 BBL/mo

Di (annual)

15.7%

b-factor

0.0

EUR

7,772 BBL

R-squared

0.680

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ESTORIL PRODUCING CORPORATION26,8002013-09-09
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