MONTGOMERY "7"

Oil // district 11 // lease#69269

op: CHI OPERATING, INC.

cum_oil

89k BBL

cum_gas

0 MCF

wells

3

production

2006-05 — 2012-04

peak_month

2008-05

-- production_history

cum_oil: 89,151 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,205 BBL/mo

Di (annual)

27.2%

b-factor

0.0

EUR

97,339 BBL

R-squared

0.625

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3CHI OPERATING, INC.18,3002008-09-11
2HOLLY ENERGY, INC.410,2502007-12-21
1CHI OPERATING, INC.38,3002005-08-16
EOF // data source: Texas Railroad Commission // 2026