ULS 5-24

Oil · District 10 · Lease #40502

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

56k BBL

Cum Gas

0 MCF

Wells

3

Production

2011-01 — 2026-03

Peak Month

2011-10

Production History

Cum Oil: 55,530 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,142 BBL/mo

Di (annual)

48.0%

b-factor

0.6

EUR

59,839 BBL

R-squared

0.848

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DEVON ENERGY PRODUCTION CO, L.P.111,5002011-02-14
1DEVON ENERGY PRODUCTION CO, L.P.111,4002010-09-24
2HENRY RESOURCES LLC111,0002009-08-12
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