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   Amplitude Variation With Offset Inversion Analysis in One of the Western Oilfields of the Persian Gulf  
نویسنده Khadem Benyamin ,Javaherian Abdolrahim
منبع Iranian Journal Of Oil And Gas Science And Technology - 2019 - دوره : 8 - شماره : 2 - صفحه:15 -34
چکیده    Reservoir characterization has a leading role in the reservoir geophysics and reservoir management. since the interests of the reservoir geophysics and reservoir managements are the elastic properties and reservoir properties of the subsurface rock for their purposes, a robust method is required for converting seismic data into elastic properties. accordingly, by employing a rock physics model and using the inverted seismic data, one can describe the reservoir for purposes such as improvement in the production of the reservoir. in the present study, we employ one of the methods for converting the seismic data into the elastic properties. this method of inversion is known as simultaneous inversion, which is grouped in amplitudevariationwithoffset (avo) inversion category. in this method, unlike the other methods of avo inversion, the prestack seismic data are directly inverted into the elastic properties of the rock and an excellent lithology and fluid indicator (vp/vs) are provided. then, this indicator is tested on one of the oilfields of the persian gulf. moreover, by means of this method, one can locate the fluids contact and the lithological interlayers; also, by the inversion results, which are the cubes of the seismic properties of the rock, one can generate sections of the elastic properties of the rock such as poisson’s ratio and young modulus which are useful for geomechanical analysis. therefore, this kind of method is a quick way for the prior analysis of the studied area.
کلیدواژه Avo Inversion ,Simultaneous Inversion ,Elastic Properties ,Reservoir Characterization
آدرس Amirkabir University Of Technology, Department Of Petroleum Engineering, Iran, Amirkabir University Of Technology, Department Of Petroleum Engineering, Iran. University Of Tehran, Institute Of Geophysics, Iran
پست الکترونیکی javaherian@aut.ac.ir

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