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《Journal of Daqing Petroleum Institute》 2009-05
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Effect of variogram on seismic inversion accuracy

QIN Yue-shuang1,2,GUO Hai-xiao3,CHEN You-fu2(1.Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China;2.Exploration and Development Research Institute,Daqing Oilfield Co.Ltd.,Daqing,Heilongjiang 163712,China;3.College of Geosciences and Surveying Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China)  
In order to deal with the effect of inversion parameters on the prediction accuracy of thin interbedded sand shale,we have conducted a number of trials,according to variogram calculation and choice in inversion,expounded and proved the effect of the different variogram and range in different directions,arrived at the right variogram parameters for the studied area.The actual application shows that the inversion result consists with what is shown on the wells,with abundant seismic information between wells and reliable prediction results.
【Fund】: 中国石油天然气股份公司科技攻关项目(03012)
【CateGory Index】: P631.4
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