JOHNSON -86-

Oil // district 10 // lease#32391

op: 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
EOF // multi-state drilling data platform // 2026