SUMMERLEE UNIT

Oil // district 13 // lease#30218

op: KEY ENERGY OF COLORADO, INC.

cum_oil

33k BBL

cum_gas

0 MCF

wells

1

production

2003-06 — 2026-03

peak_month

2003-07

-- production_history

cum_oil: 33,312 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,699 BBL/mo

Di (annual)

588.5%

b-factor

0.6

EUR

13,283 BBL

R-squared

0.395

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HKEY ENERGY OF COLORADO, INC.29,8002003-05-01
EOF // data source: Texas Railroad Commission // 2026