JOHNSON -2-

Oil // district 10 // lease#32487

op: SMITH & MARRS INC.

cum_oil

278k BBL

cum_gas

0 MCF

wells

14

production

1993-01 — 2013-03

peak_month

1993-05

-- production_history

cum_oil: 277,700 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,520 BBL/mo

Di (annual)

4.6%

b-factor

0.0

EUR

357,707 BBL

R-squared

0.331

type

exponential

-- wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11RICHMOND PETROLEUM INC.27,0002012-03-23
5RICHMOND PETROLEUM INC.27,5002012-03-23
10RICHMOND PETROLEUM INC.27,0002012-02-10
1RICHMOND PETROLEUM INC.37,5002012-01-30
7RICHMOND PETROLEUM INC.27,5002012-01-25
9RICHMOND PETROLEUM INC.27,0002011-09-26
12RICHMOND PETROLEUM INC.37,5001995-08-01
3RICHMOND PETROLEUM INC.37,5001995-08-01
4RICHMOND PETROLEUM INC.27,5001995-08-01
6RICHMOND PETROLEUM INC.27,5001995-07-24
13RICHMOND PETROLEUM INC.27,5001995-06-30
14RICHMOND PETROLEUM INC.27,5001995-06-21
8RICHMOND PETROLEUM INC.17,0001990-01-17
2RICHMOND PETROLEUM INC.27,5001989-10-11
EOF // data source: Texas Railroad Commission // 2026