KLINE "B"

Oil · District 11 · Lease #68987

Operator: 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
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