COWDEN B

Oil // district 9 // lease#17526

op: APACHE CORPORATION

cum_oil

115k BBL

cum_gas

0 MCF

wells

3

production

2010-11 — 2026-03

peak_month

2011-03

-- production_history

cum_oil: 115,032 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,201 BBL/mo

Di (annual)

36.6%

b-factor

0.4

EUR

115,326 BBL

R-squared

0.810

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5APACHE CORPORATION111,0002011-02-22
7APACHE CORPORATION211,0002010-12-27
6MARINER ENERGY, INC.111,0002010-08-30
EOF // multi-state drilling data platform // 2026