Patents by Inventor Michelle Carr

Michelle Carr 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).

  • Acid soluble, high fluid loss pill for lost circulation
    Patent number: 6790812
    Abstract: High fluid loss acid soluble lost circulation material and spotting pill comprising the lost circulation material. The spotting pill preferably is weighted to a density substantially the same as the drilling fluid used to treat the formation.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: September 14, 2004
    Assignee: Baker Hughes Incorporated
    Inventors: William S. Halliday, Dennis K. Clapper, Michael Jarrett, Michelle Carr
  • Acid soluble, high fluid loss pill for lost circulation
    Publication number: 20030195120
    Abstract: High fluid loss acid soluble lost circulation material and spotting pill comprising the lost circulation material. The spotting pill preferably is weighted to a density substantially the same as the drilling fluid used to treat the formation.
    Type: Application
    Filed: November 30, 2001
    Publication date: October 16, 2003
    Inventors: William S. Halliday, Dennis K. Clapper, Michael Jarrett, Michelle Carr