LONG 398

Oil // district 13 // lease#30535

op: KEY ENERGY OF COLORADO, INC.

cum_oil

69k BBL

cum_gas

0 MCF

wells

1

production

2005-10 — 2026-03

peak_month

2005-11

-- production_history

cum_oil: 68,978 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

481 BBL/mo

Di (annual)

11.6%

b-factor

0.0

EUR

49,804 BBL

R-squared

0.311

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3XKEY ENERGY OF COLORADO, INC.38,4002005-10-07
EOF // data source: Texas Railroad Commission // 2026