Patents by Inventor Benton L. Dibrell

Benton L. Dibrell 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).

  • Cold set cement composition and method
    Patent number: 4482379
    Abstract: A cement composition is shown for use in preparing a pumpable slurry capable of setting and developing compressive strength at low temperatures. The cement composition includes a hydraulic cement, gypsum, calcium chloride and a setting time retarding agent. The cement composition also includes an additive blend comprising sodium metasilicate, lime and hydroxyethyl cellulose. The cement slurries of the invention are prepared by adding mixing water to the dry cement composition in an amount ranging from about 8 to about 13 gallons of water per 89 pounds of dry cement composition.
    Type: Grant
    Filed: October 3, 1983
    Date of Patent: November 13, 1984
    Assignee: Hughes Tool Company
    Inventors: Benton L. Dibrell, Richard G. Gandy