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《Marine Geology Frontiers》 2018-01
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IMPROVEMENT OF TOWING TYPE SUB-BOTTOM SEISMIC PROFILE ACQUISITION SYSTEM

ZHENG Honghao;TONG Siyou;WU Zhiqiang;WANG Jie;Key Laboratory of Submarine Geosciences and Prospecting Techniques,Ministry of Education,Ocean University of China;Laboratory for Marine Mineral Resources,Qingdao National Laboratory for Marine Science and Technology;Qingdao Institute of Marine Geology,CGS;  
Traditionally,the geophone point combination is commonly used in the towing type sub-bottom seismic profile acquisition system.If the water depth is sufficient,the impact of the group internal distance is ignorable in the traditional towing type acquisition system.However,it is easy to cause wave distortion and loss of high frequency information when the sea water is shallow.Therefore,we take the advantage of the multi-channel seismic recording to make some improvement on the towedstreamer sub-bottom profile acquisition system.The new system is using a way of towing construction,multiple seismic traces and non-combination of geophone to collect data.The data from every geophone point will be acquired.In the meantime,the new acquisition system can simultaneously monitor the original single shot record,and stack channel before and after the time difference correction.
【Fund】: 国家自然科学基金重点项目(41230318);; 国家科技重大专项“深层宽频三维地震高精度采集处理技术”(2016ZX05027-002-005)
【CateGory Index】: P631.4
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