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《Xinjiang Oil & Gas》 2006-03
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THE HISTORY OF HYDROCARBON GENERATION AND THE CHARACTERIZATION OF COAL-MEASURE SOURCE ROCK FROM THE CARBONIFEROUS-PERMIAN IN THE EASTERN PART OF LINQING DEPRESSION

Yulan.Institute of Geological Sciences,Shengli Oil Field,dongying,Shandong 250715,Chin  
Coal-measure source rock in Carboniferous-Persian has heavy thickness and extensive distribution in the eastern part of LinQing depression,which is very important for deep coal-formed gas explored to develop the research of hydrocarbon generation potential.Based on the characteristic of the deposit from source rock,experiments data from the analysis of source rock organic geochemical characteristic are obtained.The research shows that coal-measure source rock has high organic matter and low choloroform bitumen A from the constructure uplift belt in the eastern part of the Linqing depression,Source rock has great hydrocarbon generation potential in the buried deeper depression,hydrocarbon source matter mainly produces high Ⅲ_2 Kerogen gaseous hydrocarbon,the next one is Ⅲ_1 Kerogen.Some organic matter mature level is very low in the structure uplift area of Kangzhuang buried hill,which still stay the earlier mature,coal-measure source rock buried deep and thermal evolution high in the depression,we presume that they enter the mature-over or mature stages.By studying the historical thermal evolution of the source rock,we can make sure that coal-measure source rock has two hydrocarbon generation stages,endured the controlling of the buried evolution difference in the Quaternary and Neogene,one main gas generation is Es3-Es4 stages in the south district,and another is Es2-Ek stages in the north district.
【CateGory Index】: P618.13
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