COWAN "A"

Oil // district 13 // lease#32819

op: METANO ENERGY III, LP

cum_oil

2k BBL

cum_gas

0 MCF

wells

1

production

2013-03 — 2026-03

peak_month

2013-09

-- production_history

cum_oil: 1,661 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

40 BBL/mo

Di (annual)

19.5%

b-factor

0.0

EUR

2,400 BBL

R-squared

0.302

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ECHO PRODUCTION, INC.25,6001991-05-15
EOF // data source: Texas Railroad Commission // 2026