HOLZGRAF -A-

Oil · District 10 · Lease #32656

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

89k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2025-01

Peak Month

2012-10

Production History

Cum Oil: 88,693 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,575 BBL/mo

Di (annual)

65.7%

b-factor

0.0

EUR

47,001 BBL

R-squared

0.539

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.111,3002012-02-06
1PARKER & PARSLEY, LTD.19,5501990-05-03
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