LANGE,H.C.

Oil · District 8 · Lease #17003

Operator: R & B ENERGY CO.

Cum Oil

8k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2026-03

Peak Month

2000-03

Production History

Cum Oil: 7,525 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

30 BBL/mo

Di (annual)

6.5%

b-factor

0.0

EUR

5,417 BBL

R-squared

0.355

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RIDGE OIL COMPANY13,4001980-11-07
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