ESTES -D-

Oil · District 10 · Lease #31523

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

52k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2025-10

Peak Month

1993-04

Production History

Cum Oil: 51,891 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

341 BBL/mo

Di (annual)

8.6%

b-factor

0.3

EUR

58,202 BBL

R-squared

0.838

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY PETROLEUM CO.19,4001987-10-08
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