EDWARDS

Oil // district 9 // lease#16009

op: ZARVONA ENERGY LLC

cum_oil

297k BBL

cum_gas

0 MCF

wells

7

production

2006-06 — 2026-03

peak_month

2008-07

-- production_history

cum_oil: 296,559 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,636 BBL/mo

Di (annual)

102.6%

b-factor

1.1

EUR

293,532 BBL

R-squared

0.876

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7WINDSOR ENERGY GROUP, L.L.C.110,5002009-10-29
6WINDSOR ENERGY GROUP, L.L.C.110,4512008-07-10
4WINDSOR ENERGY GROUP, L.L.C.110,4002008-03-06
5WINDSOR ENERGY GROUP, L.L.C.110,4002008-03-06
1JM COX RESOURCES, L.P.110,9002006-03-03
3JM COX RESOURCES, L.P.110,9002006-03-03
2JM COX RESOURCES, L.P.110,9002006-03-02
EOF // data source: Texas Railroad Commission // 2026