Patents by Inventor Thomas Daves

Thomas Daves 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).

  • Composition and method for relief of differential sticking during drilling
    Patent number: 5671810
    Abstract: A composition and method for use in freeing differentially stuck pipes is presented, comprising a hydrocarbon, acetic acid and a surfactant. The composition frees stock pipes quickly, thus reducing down-time during the process of drilling a subterranean well.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: September 30, 1997
    Assignee: Baker Hughes Incorporated
    Inventors: Richard Hodge, William S. Halliday, Thomas Daves, Thomas Carter