BARFIELD 8 -A-

Oil · District 10 · Lease #31499

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

2k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2025-10

Peak Month

1993-07

Production History

Cum Oil: 2,411 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

128 BBL/mo

Di (annual)

112.5%

b-factor

0.3

EUR

1,893 BBL

R-squared

0.672

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MWJ PRODUCING COMPANY210,5501987-11-18
1 CMWJ PRODUCING COMPANY210,5501987-11-18
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