TXL 'F'

Oil // district 9 // lease#16978

op: COG OPERATING LLC

cum_oil

10k BBL

cum_gas

0 MCF

wells

1

production

2009-09 — 2010-07

peak_month

2009-09

-- production_history

cum_oil: 9,970 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,255 BBL/mo

Di (annual)

286.5%

b-factor

0.4

EUR

15,631 BBL

R-squared

0.991

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HENRY PETROLEUM LP110,8002008-10-09
EOF // data source: Texas Railroad Commission // 2026