WILLIS "A"

Oil · District 10 · Lease #32923

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

53k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2025-05

Peak Month

2013-01

Production History

Cum Oil: 52,568 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

236 BBL/mo

Di (annual)

19.6%

b-factor

0.0

EUR

14,395 BBL

R-squared

0.356

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY, LTD.19,2251990-10-25
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