COWAN

Oil // district 13 // lease#26872

op: METANO ENERGY III, LP

cum_oil

29k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

2012-06

-- production_history

cum_oil: 28,841 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

211 BBL/mo

Di (annual)

340.2%

b-factor

1.6

EUR

8,946 BBL

R-squared

0.678

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ECHO PRODUCTION, INC.25,6001991-05-15
3ECHO PRODUCTION, INC.15,4001988-10-31
EOF // data source: Texas Railroad Commission // 2026