CYPHERS "A"

Oil · District 6 · Lease #12728

Operator: RIG RUNNER EXPRESS, INC.

Cum Oil

35k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2008-03

Peak Month

1993-03

Production History

Cum Oil: 34,783 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

722 BBL/mo

Di (annual)

21.0%

b-factor

0.6

EUR

75,834 BBL

R-squared

0.832

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TXO PRODUCTION CORP.17,4001990-06-01
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