JOHNSON -86-

Oil · District 10 · Lease #32391

Operator: SMITH & MARRS INC.

Cum Oil

339k BBL

Cum Gas

0 MCF

Wells

10

Production

1993-01 — 2026-03

Peak Month

1993-01

Production History

Cum Oil: 338,645 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,182 BBL/mo

Di (annual)

10.0%

b-factor

0.0

EUR

379,713 BBL

R-squared

0.853

type

exponential

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4RICHMOND PETROLEUM INC.36,5002011-01-20
7RICHMOND PETROLEUM INC.26,5002011-01-20
8RICHMOND PETROLEUM INC.26,5002011-01-20
9RICHMOND PETROLEUM INC.36,5002011-01-20
1RICHMOND PETROLEUM INC.36,5002010-07-01
6RICHMOND PETROLEUM INC.36,5002010-07-01
10RICHMOND PETROLEUM INC.26,5002009-09-25
2RICHMOND PETROLEUM INC.26,5002009-09-25
5RICHMOND PETROLEUM INC.26,5002009-09-25
3RICHMOND PETROLEUM INC.26,5002009-09-21
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