FIRST

Oil · District 11 · Lease #60498

Operator: RUSSELL, L. J. OIL COMPANY

Cum Oil

444k BBL

Cum Gas

0 MCF

Wells

9

Production

1993-01 — 2026-03

Peak Month

2005-01

Production History

Cum Oil: 444,453 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,815 BBL/mo

Di (annual)

10.8%

b-factor

0.7

EUR

329,134 BBL

R-squared

0.900

type

hyperbolic

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4CRUSSELL, C. M. OIL COMPANY23,3001984-12-31
142-415-01931--------
242-415-01932--------
342-415-02123--------
442-415-01933--------
5C42-415-30003--------
642-415-30110--------
742-415-30148--------
842-415-30844--------
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