PIERCE ESTATES -E-

Oil · District 3 · Lease #11218

Operator: TEXACO E & P INC.

Cum Oil

155k BBL

Cum Gas

0 MCF

Wells

6

Production

1993-01 — 2003-05

Peak Month

1993-01

Production History

Cum Oil: 155,403 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,003 BBL/mo

Di (annual)

18.2%

b-factor

0.0

EUR

198,221 BBL

R-squared

0.759

type

exponential

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TEXACO INC.46,5122012-04-26
2 UTEXACO INC.46,5122012-04-26
1TEXACO INC.16,5101983-04-28
9TEXACO INC.16,5131977-07-12
1042-481-31173--------
442-481-31065--------
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