THE UNDERSTANDING AND CONSIDERING OF RESEARCH AND APPLICATIONS OF OFFSHORE FOUR COMPONENTS SEISMIC
对近海四分量地震技术研究与应用的认识和思考

The four components seismic acquisition technology is mature.Four components seismic is useful to solve some key exploration problems of Chinese offshore.It was four years for China to have imported this technology.The researchers who work for CNOOC(China national offshore oil company) did research for 4C data processing and interpretation.CNOOC did test in Ynggehai basin.The foreign oil companys acquisited 3D four components seismic data in Penglai 19-3 oil field in Bohai basin and get 2D data in Yacheng 13-1 gas field in Qiongdongnan in 2000.In a word,it is effective to solve "gas chimney" imaging,small fault and low range structure identifying, lithology and shallow gas reservoir predicting. 4C can be used to predict anisotropy. It is nesssery for China to invest more money, and strengthen research. Now, although 4C is not perfect enough, we believe its future must be good. I foretell the present longitudinal wave exploration must be insteaded by 4C in the future.So, I appeal Chinese men of insight should give 4C more attention and care.