KEERAN ESTATE

Oil // district 2 // lease#9522

op: SUE-ANN OPERATING, L.C.

fields: KOONTZ (4750)

cum_oil

68k BBL

cum_gas

0 MCF

wells

1

production

2007-09 — 2026-03

peak_month

2008-06

-- production_history

cum_oil: 68,389 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

897 BBL/mo

Di (annual)

20.0%

b-factor

0.2

EUR

66,354 BBL

R-squared

0.755

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HART PETROLEUM SERVICES, INC47,2502009-01-20
EOF // data source: Texas Railroad Commission // 2026