NEAL "A"

Oil · District 9 · Lease #13459

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

78k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-04 — 2023-10

Peak Month

1993-11

Production History

Cum Oil: 77,776 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

888 BBL/mo

Di (annual)

15.9%

b-factor

0.1

EUR

74,187 BBL

R-squared

0.780

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2GRAHAM ROYALTY, LTD.18,6001993-06-14
1GRAHAM ROYALTY, LTD.18,6001992-11-12
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