SCHARBAUER "E"

Oil · District 10 · Lease #31793

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

131k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

2012-02

Production History

Cum Oil: 130,987 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,473 BBL/mo

Di (annual)

31.3%

b-factor

0.3

EUR

79,380 BBL

R-squared

0.685

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.312,3002011-02-18
1PARKER & PARSLEY PETROLEUM CO.19,7501988-01-14
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