SCHWERTNER, C.J.

Oil · District 9 · Lease #13734

Operator: PIONEER ENERGY CORPORATION

Cum Oil

13k BBL

Cum Gas

0 MCF

Wells

1

Production

1995-01 — 2006-07

Peak Month

1995-02

Production History

Cum Oil: 13,457 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

482 BBL/mo

Di (annual)

96.0%

b-factor

0.8

EUR

18,112 BBL

R-squared

0.632

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER ENERGY CORPORATION44,5002010-03-19
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