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《Journal of Daqing Petroleum Institute》 2006-06
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Calculation of quality factor of LVL in Tarim basin

DU Zeng-li~1,SHI Ze-jin~1,TIAN Jun~2,XU Feng~3(1.State Key Lab of Oil and Gas Reservoir Geology and Exploitation,Chengdu Institute of Technology,Chengdu,Sichuan 610059,China;2.Tarim Oil Field Company,PetroChina,Korla,Xinjiang 841000,China;3.Resources and Environment School,South-west Petroleum University,Chengdu,Sichuan 610059,China)  
the main cause of the reduction of seismic resolution in deserts is the absorption and attenuation of seismic motion generated by loosen medium in the surface.The quality factor of sand in LVL coincides with the velocity of body wave in Tarim and Junggar basin,Xinjiang,through the measurement in situ and laboratory.Using the relationship between velocity and quality factor and the velocity obtained by inversion,the distribution of quality factor is derived and then the absorption compensation is applied to seismic data by inverse-Q filter.The result shows that the resolution of seismic data has been improved significantly by the method.
【Fund】: 国家“十五”科技攻关项目(2004DA616A-02-02-02);; 中国石油天然气集团公司石油科技中青年创新基金项目(06E1017)
【CateGory Index】: P631.422
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【Citations】
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