Patents by Inventor Louis P. Sokol

Louis P. Sokol 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).

  • Oil-based well bore fluids and gellants therefor
    Patent number: 5021170
    Abstract: An invert emulsion drilling fluid comprised of a liquid oleaginous medium, water, an emulsifier and a gellant comprised of sulfonated ethylene/propylene/5-phenyl-2-norbornene terpolymer and an organophilic clay.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: June 4, 1991
    Assignee: Baroid Technology, Inc.
    Inventors: Thomas G. Shumate, Louis P. Sokol