The antipole evolution effect of immature-low mature organic matter
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The low-temperature and low-pressure artificial hydropyrolysis experiment proves that at the immature-low mature thermal evolution stage of source rock, the condensation reaction and the thermal degradation reaction occur continuously and simultaneously in both soluble organic matter and insoluble organic matter. This process was called “antipole evolution”, which means transformation into two opposing extremes. The soluble organic matter and insoluble organic matter constitute an organic related integrity, transforming mutually in a dynamic equilibrium. Non-hydrocarbon and asphaltene are key intermediates between kerogen and hydrocarbon. Asphaltene is one of the major sources of immature hydrocarbons.
Keywordsnon-hydrocarbon immature oil antipole evolution artificial maturation experiment
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