BUTTS J.B.

Oil // district 4 // lease#13370

op: APACHE CORPORATION

cum_oil

3k BBL

cum_gas

0 MCF

wells

1

production

2006-09 — 2008-12

peak_month

2006-09

-- production_history

cum_oil: 2,728 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

577 BBL/mo

Di (annual)

631.5%

b-factor

0.7

EUR

3,138 BBL

R-squared

0.912

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16COLLINS & WARE, INC.18,2001999-09-27
EOF // data source: Texas Railroad Commission // 2026