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Laser pyrolysis gas chromatography(LPGC) can provide important information on organicgeochemistry,which can,in return,reflect rapidly and simply the tendency of thermal alterationof organic matter with increasing depth in oil-generating rocks and the percentage productionof hydrocarbons as well as permit one to differentiate the types and properties of kerogen inoll-bearing rocks.Experimental data can also show the variations of organic and effective carbon in oil-bearing rocks.Accordingly,new geochemical indexes for oil-generating rocks are expected.
Laser pyrolysis gas chromatography (LPGC) can provide important information on organic geochemistry, which can, in return, reflect rapidly and simply the tendency of thermal alteration of organic matter with increasing depth in oil-generating rocks and the percentage production of hydrocarbons as well as permit one to differentiate the types and properties of kerogen inoll-bearing rocks.Experimental data can also show the variations of organic and effective carbon in oil-bearing rocks.Accordingly, new geochemical indexes for oil-generating rocks are expected.