ORGANIC-INORGANIC INTERACTIONS DURING THE FORMATION OF OILS IN S EDIMENTARY BASIN
Received date: 2005-12-05
Revised date: 2005-12-27
Online published: 2006-02-20
When petroleum is formed from disperse organic matter, it will encounter a serie s of inorganic sedimentary components, such as, water, clay minerals, inorganic salts and some metal elements etc. Inorganic components can serve as reactant or catalyst, and participate in the processes of the formation of petroleum. Petro leum, reductive state matter in geological system, migrate and accumulate in spa tial system formed by inorganic minerals, when it encounters mineral oxidants (i ron-bearing minerals), which can react with inorganic components, moreover, pet roleum physical properties and chemical compositions have been changed during th is process, and the reservoir properties of a rock have also probably been modif ied by products derived from the reactions between organic and inorganic matter. Although some reaction mechanisms of organic-inorganic interactions are still not known by geologists, they have important affect on the petroleum formation a nd accumulation, studies on this fact will enhance our ability to predict the oc currence of petroleum and evaluation of petroleum sources.
Key words： Sedimentary basins; Petroleum; Organic-inorganic interactions.
ZHOU Shi-xin; ZOU Hong-liang; XIE Qi-lai, JIA Xin-liang . ORGANIC-INORGANIC INTERACTIONS DURING THE FORMATION OF OILS IN S EDIMENTARY BASIN[J]. Natural Gas Geoscience, 2006 , 17(1) : 42 -47 . DOI: 10.11764/j.issn.1672-1926.2006.01.42
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