Patents by Inventor Sidney Melear

Sidney Melear 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).

  • Non-poluting anti-stick water-base drilling fluid modifier and method of use
    Patent number: 5120708
    Abstract: A water-based drilling fluid additive composition comprising a water soluble polyoxyalkylene compound selected from polyoxyalkylene glycols, monoalkylethers of polyoxyalkylene glycols, and mixtures thereof, which have a cloud point in the range from about 60.degree. F. to about 180.degree. F., in combination with a water dispersible particulate asphalt having an ASTM D-36 softening point of at least 290.degree. F., an ASTM D-5 penetration depth not exceeding about 10 mm, and a particulate size not exceeding more than about 10 percent retained on a 40 mesh U.S. screen.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: June 9, 1992
    Assignee: Baker Hughes Incorporated
    Inventors: Sidney Melear, John A. Guidroz, Jr., Gary Schlegel, William Micho