This work summarizes the practical features of the well seismic method, providing the reader with comprehensive information on the implementation, processing, interpretation and main applications of this technique. Numerous illustrations help the reader develop a critical view regarding the merits of the well survey, as well as its contribution to the description of geological structures and to the knowledge of reservoirs. With its many animations, the CD-ROM that accompanies this book enables the reader to visualize phenomena, making them easier to understand