GRIFFEN

Oil · District 10 · Lease #28139

Operator: PERMIAN RESOURCES, INC.

Cum Oil

22k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2020-10

Peak Month

1993-05

Production History

Cum Oil: 22,243 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

156 BBL/mo

Di (annual)

6.9%

b-factor

0.0

EUR

26,337 BBL

R-squared

0.313

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2MERIDIAN OIL INC.18,1001986-05-20
1MILESTONE PETROLEUM INC.18,0001983-04-15
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