GasTIPS_Fall-02.pdf

GasTIPS Fall 2002 Volume 8 Number 4 Technology Developments in Natural Gas Exploration, Production and Processing Completions R&D Management LNG Technology Drilling A Publication of Gas Technology Institute, the U.S. Dept. of Energy and Hart Publications, Inc Ultra-Lightweight Cement Slurries Improve Cement Performance 4 Cementing systems using ultra- lightweight hollow spheres can improve lightweight cement performance in deepwater operations and provide a viable alternative to conventional lightweight cement slurries. The Quest for High Temperature MWD and LWD Tools 8 Efforts to expand the temperature limits of MWD and LWD tools have seen limited success. New approaches may be necessary if industry is to meet the demand for gas from deep reservoirs.