HILL - NEAL UNIT

Oil · District 11 · Lease #68637

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

166k BBL

Cum Gas

0 MCF

Wells

1

Production

2003-12 — 2026-03

Peak Month

2004-01

Production History

Cum Oil: 165,825 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,859 BBL/mo

Di (annual)

14.5%

b-factor

0.0

EUR

153,969 BBL

R-squared

0.637

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SCHALK OIL COMPANY, INC.25,2002003-10-29
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