UNIVERSITY "58-5A"

Oil · District 9 · Lease #16604

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

56k BBL

Cum Gas

0 MCF

Wells

2

Production

2008-05 — 2026-03

Peak Month

2010-07

Production History

Cum Oil: 55,815 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

817 BBL/mo

Di (annual)

26.3%

b-factor

0.0

EUR

37,302 BBL

R-squared

0.647

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA, INC.110,7502009-12-08
1PIONEER NATURAL RES. USA, INC.110,0002008-01-02
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