石油与天然气地质 ›› 1986, Vol. 7 ›› Issue (3): 218-223.doi: 10.11743/ogg19860303
• 论文 •
叶德胜, 刘树晖, 胡惟元
Ye Desheng, Liu Shuhui, Hu Weiyuan
The study of diagenesis,reservoir characters and the relationship between them indicates that there is a certain time conjunction relation between porosity evolu-tion and hydrocarbon reservoiring just as that between geological structure and hydrocarbon accumulation,and moreover,the former is more complicated.Therefore,the present porosity of rock samples in outcrops and holes which do notcontain hydrocarbon can not really reflect the reservoir characters of the rocks.Only the“porosity of accumulation stage”(i.e.the porosity of rocks in themain hydrocarbon migration and accumulation stage)can be one of the valuable parameters for the evaluation of hydrocarbon reservoirs.The study of diagenesis must be carried out in detail for determining the porosity of accumulation stage,so that one may clarify the history of porosity evolution.In the meantime,wemust analyze the history of hydrocarbon generation,migration accumulation and evolution,especially the relationship between the history of porosity evolutionand that of hydrocarbon evolution.
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