HURST 11

Oil // district 13 // lease#29055

op: KEY ENERGY OF COLORADO, INC.

cum_oil

6k BBL

cum_gas

0 MCF

wells

2

production

1995-06 — 2012-05

peak_month

2002-08

-- production_history

cum_oil: 5,960 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

705 BBL/mo

Di (annual)

759.0%

b-factor

1.1

EUR

8,185 BBL

R-squared

0.361

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1KEY ENERGY OF COLORADO, INC.39,0002002-06-26
1 HKEY ENERGY OF COLORADO, INC.39,0002002-06-26
EOF // data source: Texas Railroad Commission // 2026