Kazem Javanmardi, Ken D. Flodberg Shell Offshore Inc. New Orleans James J. Nahm Shell Development Co. Houston A new mud-to-cement conversion technology has eliminated mud displacement problems, improved zonal isolation, and eliminated mud/cement incompatibility common with conventional cementing practices. Shell Offshore Inc. has successfully applied the technology to development wells at its Auger prospect in the Gulf of Mexico. Ground, granulated blast furnace slag (hereafter referred to as slag) and common inexpensive alkaline activators are added to any water-based mud to form the cementitious slurry, designated ...

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