TXL -3-

Oil · District 10 · Lease #25432

Operator: NORTHSTAR OPERATING COMPANY

Cum Oil

41k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2012-12

Peak Month

1996-11

Production History

Cum Oil: 41,405 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

297 BBL/mo

Di (annual)

10.2%

b-factor

0.0

EUR

34,907 BBL

R-squared

0.657

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2MWJ PRODUCING COMPANY18,6001979-09-06
1MWJ PRODUCING COMPANY18,6001978-12-22
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