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The AAPG/Datapages Combined Publications Database

Journal of Petroleum Geology

Abstract

Journal of Petroleum Geology, Vol.16, No.3, pp. 335-344, 1993

┬ęCopyright 2000 Scientific Press, Ltd.

A NEW SCHEME FOR THE FORMATION AND CLASSIFICATION OF BITUMENS

B. A. Klubov*

* VNIGRI, St Petershurg, Russia.


Abstract

This paper discusses models of bitumen formation. Most liquid bitumens are formed during the middle stages of catagenesis (between approx. Ro equivalents of 0.4 and 1.15, respectively) "Progressive" naphthide formation is a process whereby organic matter and its derivatives gradually pass through a number of stages of alteration--three stages are generally recognized. By contrast, "regressive" naphthide formation is a "superimposed" process, involving microbial alteration and biochemical oxidation.

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