ZULA MCCRARY -F-

Oil · District 10 · Lease #37416

Operator: BTA OIL PRODUCERS, LLC

Cum Oil

11k BBL

Cum Gas

0 MCF

Wells

1

Production

2004-10 — 2013-02

Peak Month

2004-10

Production History

Cum Oil: 11,492 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

233 BBL/mo

Di (annual)

24.1%

b-factor

0.3

EUR

16,138 BBL

R-squared

0.524

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4501COSTILLA PETROLEUM CORPORATION29,0002004-09-21
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