ABBY

Oil // district 9 // lease#16774

op: COG OPERATING LLC

cum_oil

214k BBL

cum_gas

0 MCF

wells

5

production

2008-11 — 2026-03

peak_month

2010-11

-- production_history

cum_oil: 214,152 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,843 BBL/mo

Di (annual)

39.6%

b-factor

0.2

EUR

182,997 BBL

R-squared

0.887

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4521COG OPERATING LLC110,8002012-05-18
4501COG OPERATING LLC110,8002010-06-15
4505COG OPERATING LLC110,8002010-06-15
4513HENRY PETROLEUM LP110,8002008-10-22
4509HENRY PETROLEUM LP110,8002008-06-28
EOF // data source: Texas Railroad Commission // 2026