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TRACE MARKER OF HOT FLUID FLOW AND THEIR GEOLOGICAL IMPLICATIONS A CASE STUDY OF YINGGEHAI BASIN

Xie Xinong Li Sitian (Faculty of Earth Resources, China University of Geosciences, Wuhan430074) Dong Weiliang Zhang Minqiang Yang Jihai (Nanhai West Oil Corporation, Zhanjiang524057)  
The active hot fluid process in the sedimentary basin is in fact a dynamic balance between accumulation and expulsion of fluid flow. The hot fluid flow will necessarily result in the change of the temperature, pressure and chemical conditions. However, it is relatively difficult to trace the hot fluid flow within the sedimentary basin. In this paper, the Yinggehai basin is taken as an example to analyze the hot fluid flow. The research results show that a relatively effective way to trace the hot fluid flow within the sedimentary basin is to measure the temperature effect that occurs in the hot fluid flow. The relatively effective parameters are shown as follows: transfer from smectite to illite, vitrinite reflectance rate, thermal analysis of organic matters and fluid inclusions. The abnormal markers of these parameters in different forms all indicate the hot fluid flow from the deep.
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