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《Chinese Journal of Geophysics》 2007-06
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Predicting deep volcanic rocks and favorable gas zone near Xingcheng area in Songliao Basin using multi-component seismic data

WANG Jian-Min~(1,2),YANG Dong~(3,4),WEI Xiu-Cheng~5,FU Lei~2,WANG Dian~6,HU Yan-Fei~6,HAO Xue~6,YANG Bao-Jun~(6*)1 School of Aerospace,Tsinghua University,Beijing 100083,China2 Geophysical Exploration Company,Daqing Petroleum Administration Bureau,Daqing 163357,China3 College of Earth Science,Jilin University,Changchun 130026,China4 College of Instrumentation and Electrical Engineering,Jilin University,Changchun 130026,China5 School of Resources and Information,China University of Petroleum,Beijing 102249,China6 College of Geo-exploration Science and Technology,Jilin University,Changchun 130026,China  
It is an important part of increasing the exploration prospect area in the basin to predict the deep favorable gas zone in Songliao Basin during the fault period.In order to carry out large-range oil and gas prediction in Songliao Basin as the oil and gas resource base,Shengping-Xingcheng structure within the Xujiaweizi faulting depression is chosen to perform the ground three-component seismic exploration,and obtain a feasible predicting project.Under the constraints of the geologic data from deep exploratory wells,using the three-component seismic data,the P-wave and P-SV wave layer calibration,and seismic phase correlation,the prediction of distribution of volcanic rocks in the fault period was gained in the research area;then after calculation and comparison of the parameters of physical properties such as the amplitude ratio and frequency ratio,the favorable predicting zone of Yingcheng formation in fault-zone was obtained. The controlling effect of the regional structures on the fault-depression formation was further analyzed.Synthesizing the analyses of hydrocarbon source rock types,level of maturity and volcanic reservoir performance,a greater extent of the deep gas-bearing zone was considered possible.Finally it is suggested that three-dimension and three-component seismic technology is necessary to predict the deep gas-zone,and the basic methods without control wells include extended application of predictable knowledge on the structure,stratigraphic features,the comparability of multi-parameter characteristics and integrated comparison.
【Fund】: 国家自然科学基金(40372066);; 高等学校博士学科点专项科研基金(20030183042)资助
【CateGory Index】: P631.44
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