Auteur: Limin Sheng

Wilson Chin earned his Ph D at the Massachusetts Instituteof Technology and his MSc at the California Institute of Technology. His work in fluid mechanics, electromagnetics, formation testing, and reservoir characterization forms the basisfor ten research monographs, about one hundred papers, and almostfifty domestic and international patents. Wilson »s currentinterests address high speed mud pulse telemetry and advancedresistivity logging concepts. Yinao Su, an academician of the Chinese Academy of Engineering, is affiliated with China National Petroleum Corporation (CNPC) in Beijing, where he directs its MWD program. Heis an expert in control theory and leads a new research endeavorknown as « Downhole Control Engineering. » Professor Suholds over thirty patents, has authored numerous books and morethan two hundred papers. Limin Sheng is Senior Technical Expert and Department Head in oil and gas drilling engineering at the CNPC Drilling Research Institute. He has more than twenty-five years ofexperience in research and development focusing on MWD and downholecontrol engineering applications, holds more than twenty patents, and has published over two dozen papers. Lin Li is Manager of the Downhole Control Engineering Research Institute, a laboratory for downhole informationtransmission at CNPC in Beijing. He holds joint positions as Senior Engineer and Director, Continuous Wave MWD and Electromagnetic MWDProjects. Li is also a key contributor to CNPC »s geosteeringproject efforts. Hailong Bian earned his doctorate from the University of Electronics Science and Technology in China. He works as a Postdoctoral Fellow and engineer at the CNPC Downhole Control Engineering Research Institute. He is the lead technical focalpoint on CNPC »s high-priority continuous wave MWD mud pulsetelemetry project. Rong Shi is an engineer with the CNPC Downhole Control Engineering Research Institute. Shi, a key technical contributor tothe continuous wave telemetry project, specializes in mechanicaldesign and data acquisition.