TUBB "A"

Oil // district 14 // lease#7431

op: BRACKEN OPERATING, L.L.C.

cum_oil

580 BBL

cum_gas

0 MCF

wells

1

production

2002-09 — 2003-11

peak_month

2002-10

-- production_history

cum_oil: 580 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

133 BBL/mo

Di (annual)

333.2%

b-factor

0.0

EUR

480 BBL

R-squared

0.477

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2194BRACKEN OPERATING, L.L.C.411,6502002-08-07
EOF // data source: Texas Railroad Commission // 2026