BROWN

Oil · District 11 · Lease #68259

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

72k BBL

Cum Gas

0 MCF

Wells

1

Production

2000-12 — 2026-03

Peak Month

2001-01

Production History

Cum Oil: 71,510 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

807 BBL/mo

Di (annual)

31.1%

b-factor

0.6

EUR

61,450 BBL

R-squared

0.367

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SCHALK OIL COMPANY, INC.25,1002000-10-20
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