ANN COLE TRUST

Oil // district 10 // lease#39231

op: R K PETROLEUM CORP.

fields: RK (STRAWN)

cum_oil

70k BBL

cum_gas

0 MCF

wells

1

production

2009-02 — 2015-06

peak_month

2009-07

-- production_history

cum_oil: 70,114 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,680 BBL/mo

Di (annual)

127.0%

b-factor

0.6

EUR

79,429 BBL

R-squared

0.958

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1R K PETROLEUM CORP.212,1002013-08-16
EOF // data source: Texas Railroad Commission // 2026