SANDY KOUFAX 5

Oil · District 9 · Lease #19693

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

407k BBL

Cum Gas

0 MCF

Wells

2

Production

2017-08 — 2026-03

Peak Month

2017-09

Production History

Cum Oil: 406,804 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

23,649 BBL/mo

Di (annual)

148.4%

b-factor

0.6

EUR

440,756 BBL

R-squared

0.865

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4403HPARSLEY ENERGY OPERATIONS, LLC19,0002017-03-23
4401HPARSLEY ENERGY OPERATIONS, LLC18,9502017-03-22
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