Patents by Inventor Doyne L. Wilson

Doyne L. Wilson 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).

  • Noncorroding water base drilling fluids and additive system for making
    Patent number: 3956142
    Abstract: Water base drilling fluids having superior stability characteristics and having an improved noncorroding nature utilize an additive system comprising an alkali metal lignin, lignite, quebracho, and a water soluble chromium (VI) salt capable of introducing chromate ions into the alkaline water base mud system. An additive system having these four respective ingredients in a weight proportion of about 4:2:1:1 is admixed with a clay-water mixture to formulate the drilling fluid.
    Type: Grant
    Filed: October 16, 1972
    Date of Patent: May 11, 1976
    Assignee: Oil Base, Inc.
    Inventors: Doyne L. Wilson, Warren C. McMordie, Jr., Albert H. D. Alexander