KLAPPROTH

Oil · District 10 · Lease #28661

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

108k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

2011-05

Production History

Cum Oil: 107,753 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,154 BBL/mo

Di (annual)

63.6%

b-factor

0.6

EUR

87,861 BBL

R-squared

0.880

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.111,3002010-10-18
1PARKER & PARSLEY, INC.19,6001983-09-13
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