CATHY

Oil // district 9 // lease#16676

op: ZARVONA ENERGY LLC

cum_oil

78k BBL

cum_gas

0 MCF

wells

2

production

2008-09 — 2026-03

peak_month

2009-09

-- production_history

cum_oil: 78,196 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

662 BBL/mo

Di (annual)

42.1%

b-factor

2.0

EUR

105,035 BBL

R-squared

0.409

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5WINDSOR ENERGY GROUP, L.L.C.210,1072009-02-04
1WINDSOR ENERGY GROUP, L.L.C.110,1112008-03-18
EOF // data source: Texas Railroad Commission // 2026