Patents by Inventor Bill Shumway

Bill Shumway 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).

  • USE OF CARBONATES AS WELLBORE TREATMENT
    Publication number: 20180215987
    Abstract: A method of drilling a subterranean formation includes drilling the subterranean formation with a drilling fluid including a carbonate base fluid and an aqueous base fluid. The carbonates may be selected from ethylene carbonate, propylene carbonate, glycerol carbonate, butylene carbonate, 1,3-propylene carbonate, dialkylcarbonates, dimethylcarbonate, and mixtures thereof. Drilling fluids may include a carbonate base fluid, an aqueous base fluid and an optional base oil.
    Type: Application
    Filed: September 29, 2014
    Publication date: August 2, 2018
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Cato Russell McDaniel, Bill Shumway