MARGARET UNIT 3

Oil // district 2 // lease#10026

op: SILVER HILL ENERGY OPERATING LLC

cum_oil

277k BBL

cum_gas

0 MCF

wells

1

production

2011-09 — 2026-03

peak_month

2011-11

-- production_history

cum_oil: 276,862 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

12,705 BBL/mo

Di (annual)

108.6%

b-factor

0.5

EUR

270,843 BBL

R-squared

0.952

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HRILEY EXPLORATION, LLC212,0002011-08-17
EOF // data source: Texas Railroad Commission // 2026