COREY

Oil · District 9 · Lease #12358

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

25k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2014-08

Peak Month

1993-01

Production History

Cum Oil: 25,218 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

449 BBL/mo

Di (annual)

30.8%

b-factor

0.4

EUR

27,602 BBL

R-squared

0.901

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY PETROLEUM CO.19,3001987-10-26
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