FLORES UNIT

Oil // district 1 // lease#15775

op: MARATHON OIL EF LLC

cum_oil

82k BBL

cum_gas

0 MCF

wells

1

production

2011-10 — 2026-03

peak_month

2011-10

-- production_history

cum_oil: 81,811 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,788 BBL/mo

Di (annual)

104.4%

b-factor

0.6

EUR

98,191 BBL

R-squared

0.696

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL COMPANY215,0002011-06-20
EOF // data source: Texas Railroad Commission // 2026