CHAMPMAN J.O.

Oil // district 4 // lease#13378

op: DECKER OPERATING CO., L.L.C.

cum_oil

5k BBL

cum_gas

0 MCF

wells

4

production

2006-11 — 2020-05

peak_month

2007-02

-- production_history

cum_oil: 5,139 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

428 BBL/mo

Di (annual)

135.3%

b-factor

0.0

EUR

3,788 BBL

R-squared

0.836

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
136SHANA PETROLEUM COMPANY37,0402002-03-04
84TEXACO PRODUCING INC.57,5572000-01-20
95SHELL WESTERN E&P INC.16,9501997-10-01
115TEXACO PRODUCING INC.26,9531997-05-14
EOF // data source: Texas Railroad Commission // 2026