Patents Represented by Attorney Richard D. Gaffney

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  • Cement compositions and method of cementing casing in a well
    Patent number: 4573534
    Abstract: A novel cement composition comprising (1) cement, (2) at least one polysaccharide, and (3) a viscosity modifying amount of a 1,2-dicarbonyl; 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.
    Type: Grant
    Filed: June 12, 1984
    Date of Patent: March 4, 1986
    Assignee: Gulf Oil Corporation
    Inventors: Wilford S. Baker, James J. Harrison