KLINE "B"

Oil // district 11 // lease#68987

op: THREE SPAN OIL & GAS, INC.

cum_oil

104k BBL

cum_gas

0 MCF

wells

1

production

2006-09 — 2026-03

peak_month

2007-04

-- production_history

cum_oil: 104,131 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,604 BBL/mo

Di (annual)

55.2%

b-factor

1.0

EUR

116,874 BBL

R-squared

0.659

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PURE RESOURCES, L.P.28,4002006-02-23
EOF // multi-state drilling data platform // 2026