WINTER

Oil · District 10 · Lease #39393

Operator: NORTHSTAR OPERATING COMPANY

Cum Oil

13k BBL

Cum Gas

0 MCF

Wells

1

Production

2009-04 — 2026-03

Peak Month

2010-06

Production History

Cum Oil: 12,988 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,403 BBL/mo

Di (annual)

178.0%

b-factor

0.8

EUR

31,097 BBL

R-squared

0.695

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1NORTHSTAR OPERATING COMPANY39,5002011-06-15
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