Patents by Inventor John M. Tinsley

John M. Tinsley has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Liquid water loss reducing additives for cement slurries
    Patent number: 4466837
    Abstract: Liquid water loss reducing additives for use in cement slurries are provided comprised of aqueous solutions of low molecular weight carboxymethylhydroxyethyl-cellulose polymers. Methods of using the additives are also provided.
    Type: Grant
    Filed: December 3, 1982
    Date of Patent: August 21, 1984
    Assignee: Halliburton Company
    Inventors: Jiten Chatterji, Bobby G. Brake, John M. Tinsley
  • Liquid water loss reducing additives for cement slurries
    Patent number: 4433731
    Abstract: Liquid water loss reducing additives for use in cement slurries are provided comprised of aqueous solutions of low molecular weight carboxymethylhydroxyethylcellulose polymers. Methods of using the additives are also provided.
    Type: Grant
    Filed: March 30, 1983
    Date of Patent: February 28, 1984
    Assignee: Halliburton Company
    Inventors: Jiten Chatterji, Bobby G. Brake, John M. Tinsley
  • Lightweight cement and method of cementing therewith
    Patent number: 4234344
    Abstract: A low-density, high-strength cement composition useful in a high temperature environment, such as in thermal wells, which includes hydraulic cement, a siliceous material and a relatively low-density inorganic material.
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: November 18, 1980
    Assignee: Halliburton Company
    Inventors: John M. Tinsley, Larry T. Watters
  • High temperature well treating with crosslinked gelled solutions
    Patent number: 4210206
    Abstract: The present invention relates to methods and compositions for treating high temperature well formations whereby highly viscous crosslinked gels are formed in the formations.
    Type: Grant
    Filed: October 11, 1978
    Date of Patent: July 1, 1980
    Assignee: Halliburton Company
    Inventors: John W. Ely, John M. Tinsley
  • Methods for fracturing well formations
    Patent number: 4033415
    Abstract: The present invention relates to a crosslinked aqueous gel for fracturing and placing propping agents within subterranean formations, said gel having a viscosity in said formations greater than about 20,000 centipoises and having pumping characteristics in turbulent flow approaching those of water.
    Type: Grant
    Filed: October 14, 1976
    Date of Patent: July 5, 1977
    Assignee: Halliburton Company
    Inventors: Marlin D. Holtmyer, Charles J. Githens, John M. Tinsley
  • Compositions for fracturing well formations
    Patent number: 4021355
    Abstract: The present invention relates to a crosslinked aqueous gel for fracturing and placing propping agents within subterranean formations, said gel having a viscosity in said formations greater than about 20,000 centipoises and having pumping characteristics in turbulent flow approaching those of water.
    Type: Grant
    Filed: March 30, 1973
    Date of Patent: May 3, 1977
    Assignee: Halliburton Company
    Inventors: Marlin D. Holtmyer, Charles J. Githens, John M. Tinsley