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Maturity bulk organic matter

It has been postulated that odd-carbon preference is characteristic of bulk organic matter and that its disappearance results from thermal maturation processes as petroleum is being formed. However, as these... [Pg.79]

The degree of epimerization of the hydrocarbon centers have been related to the degree of maturation of the organic matter of the sediment. Moreover any mechanism proposed to explain this rea tion, must have in mind that it takes place in the bulk of the rock, i.e., in solid phase. [Pg.40]

The transformations reviewed in Section 5.5 are potential maturity indicators.The most useful reactions are those in which only one of the pair of components is present initially in immature sediments, so that the extent of the transformation can be attributed entirely to thermal maturation (the kinetics of the transformation are also simpler Box 5.4). Such reactions include isomerization of pristane at C-6 and C-10, of steranes at C-20 and of hopanes at C-22, and also the aromati-zation of C-ring monoaromatic steroidal hydrocarbons. A number of molecular maturity parameters are shown in Fig. 5.47, together with some bulk maturity measurements.The correlation of values is approximate and varies with the type of organic matter present, its potential for generating petroleum and its heating rate. [Pg.224]


See other pages where Maturity bulk organic matter is mentioned: [Pg.384]    [Pg.44]    [Pg.115]    [Pg.231]    [Pg.154]    [Pg.1296]    [Pg.125]    [Pg.133]    [Pg.234]    [Pg.1896]    [Pg.114]    [Pg.66]    [Pg.94]   
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