GOLLADAY -51-

Oil · District 10 · Lease #43133

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

48k BBL

Cum Gas

0 MCF

Wells

1

Production

2012-10 — 2026-01

Peak Month

2012-11

Production History

Cum Oil: 47,625 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,911 BBL/mo

Di (annual)

210.7%

b-factor

1.4

EUR

86,376 BBL

R-squared

0.666

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
151ENDEAVOR ENERGY RESOURCES L.P.212,0002012-06-15
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