DUNCAN, G.C. JR. ET AL

Oil // district 3 // lease#23776

op: ZINN PETROLEUM CO.

cum_oil

32k BBL

cum_gas

0 MCF

wells

2

production

1999-10 — 2011-03

peak_month

2000-03

-- production_history

cum_oil: 32,182 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

932 BBL/mo

Di (annual)

54.5%

b-factor

0.4

EUR

33,369 BBL

R-squared

0.654

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5ZINN PETROLEUM CO.17,7001999-08-27
5 CZINN PETROLEUM CO.17,7001999-08-27
EOF // data source: Texas Railroad Commission // 2026