HILL - LONG UNIT

Oil · District 11 · Lease #68638

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

233k BBL

Cum Gas

0 MCF

Wells

1

Production

2003-11 — 2026-03

Peak Month

2006-05

Production History

Cum Oil: 232,710 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,614 BBL/mo

Di (annual)

26.5%

b-factor

0.3

EUR

165,254 BBL

R-squared

0.845

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SCHALK OIL COMPANY, INC.25,2502003-10-15
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