UNIVERSITY "58-5"

Oil · District 9 · Lease #16576

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

168k BBL

Cum Gas

0 MCF

Wells

4

Production

2008-04 — 2022-05

Peak Month

2010-08

Production History

Cum Oil: 168,091 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

6,681 BBL/mo

Di (annual)

113.5%

b-factor

0.6

EUR

160,170 BBL

R-squared

0.959

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.111,0002010-03-04
3PIONEER NATURAL RES. USA, INC.111,0002010-02-03
2PIONEER NATURAL RES. USA, INC.210,5002008-11-07
1PIONEER NATURAL RES. USA, INC.110,0002008-01-02
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