Cement compositions containing a polysaccharide and a salt and method of cementing casing in a well

摘要

A novel cement composition comprising (1) cement, (2) at least one salt, and (3) at least one polysaccharide or mixture of polysaccharides having a solution time greater than about 10 minutes; aqueous slurries prepared from these novel cement compositions and a method of cementing casing in the borehole of a well using such novel aqueous cement slurries.