Due to lowresolution seismic data and complex inner structure ofAoilfield in South China Sea, it is difficult to predict the faults and fractures. This paper adopted duplex wave migration（DWM） technology to predict the faults and fractures in this oilfield. Based on 3D seismic shot gather information and pre-stack depth migration velocity model in depth domain, combined with DWMvelocity scan and migration aperture analysis, DWMtechnology was used to refine the velocitymodel further, then obtained the 3D data of fault and fractures imaging. According to the DWMdata and its explaining results, depth migration data and its attributions, such as coherence cube, dip and amplitude and so on, structure explaining results by normal seismic explanation, drilling and logging data, the characteristics and distribution law of the faults and fractures of the oilfield were recognized. It is proved that the DWMtechnology can be used to not only predict the fault and fracture system, which can be predicted by normal seismic, but also predict those unpredictable fault, fracture, and lithologic interface.