LEONA

Oil // district 3 // lease#25263

op: U. S. OPERATING, INC.

cum_oil

1k BBL

cum_gas

0 MCF

wells

1

production

2008-09 — 2010-06

peak_month

2008-10

-- production_history

cum_oil: 1,225 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

131 BBL/mo

Di (annual)

313.9%

b-factor

1.3

EUR

4,024 BBL

R-squared

0.690

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1U. S. OPERATING, INC.210,0002008-07-09
EOF // data source: Texas Railroad Commission // 2026