ANN COLE TRUST

Oil // district 10 // lease#44407

op: R K PETROLEUM CORP.

cum_oil

85k BBL

cum_gas

0 MCF

wells

1

production

2013-09 — 2026-03

peak_month

2013-10

-- production_history

cum_oil: 84,803 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,226 BBL/mo

Di (annual)

129.3%

b-factor

1.3

EUR

123,151 BBL

R-squared

0.869

type

hyperbolic

-- wells (1)

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