J. R. OLIVER UNIT

Oil · District 5 · Lease #3590

Operator: CRAWFORD HUGHES OPERATING CO.

Fields: VAN (JAMES)

Cum Oil

168k BBL

Cum Gas

0 MCF

Wells

1

Production

1997-12 — 2026-03

Peak Month

1998-02

Production History

Cum Oil: 168,397 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

5,228 BBL/mo

Di (annual)

428.1%

b-factor

0.9

EUR

65,071 BBL

R-squared

0.472

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4CRAWFORD ENERGY, INCORPORATED15,7001997-10-27
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