WELDER "B"

Oil · District 2 · Lease #8575

Operator: XOG OPERATING LLC

Cum Oil

51k BBL

Cum Gas

0 MCF

Wells

2

Production

1999-12 — 2026-03

Peak Month

2004-04

Production History

Cum Oil: 50,557 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,881 BBL/mo

Di (annual)

94.0%

b-factor

0.2

EUR

29,974 BBL

R-squared

0.731

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11TE-RAY RESOURCES, INC58,5002003-12-03
14ATASCA RESOURCES, INC.38,5002000-06-07
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