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《Natural Gas Industry》 2009-06
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A discussion on technologies of seismic data acquisition in carbonate area of South China

LI Zhong-yuan(Sinopec South Company of Prospecting,Chengdu 610041,China)  
The carbonate rocks are widely distributed in South China with steep formations and complex underground structure. A large amount of exposed carbonatite in the exploration zone resulted in low signal-to-noise ratio which has restricted the process of oil and gas exploration in this area. The Sinopec South Company of Prospecting is striving to make technological breakthrough and has achieved a great success with a higher quality of the collected seismic data and much more knowledge of the geological characteristics of underground structures. Based on field practices and many years' experiences from this company,this paper starts from the status quo and the existing issues of present seismic data acquisition technology to put forward personal points of view and ideas on the methods of surface survey on the exposed carbonate area,design of recording geometry,the involved factors of source shot,and technique instruments of geophone receiving system:the seismic exploration in South China carbonate area should focus on how to improve the signal-to-noise ratio,and to rely on a single technique is not enough to achieve good results due to the complexity of seismic exploration there.
【CateGory Index】: P631.4
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