Patents by Inventor Geoffrey David Steele

Geoffrey David Steele 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).

  • Automatic tubing filler
    Patent number: 7108071
    Abstract: Methods and apparatus for filling a tubing string as it is lowered into a subterranean hydrocarbon well. In one embodiment, an apparatus to fill a tubular with fluid in a wellbore comprises a housing defining a central bore. An aperture formed in the housing provides fluid communication between the central bore and the ambient environment of the tubing string. A piston valve slidingly disposed in the housing is selectively pressure actuatable relative to the housing to control fluid communication between the central bore and the ambient environment.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: September 19, 2006
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Roland Richard Freiheit, James Frederick Wilkin, Geoffrey David Steele
  • Automatic tubing filler
    Publication number: 20020189814
    Abstract: Methods and apparatus for filling a tubing string as it is lowered into a subterranean hydrocarbon well. In one embodiment, an apparatus to fill a tubular with fluid in a wellbore comprises a housing defining a central bore. An aperture formed in the housing provides fluid communication between the central bore and the ambient environment of the tubing string. A piston valve slidingly disposed in the housing is selectively pressure actuatable relative to the housing to control fluid communication between the central bore and the ambient environment.
    Type: Application
    Filed: April 30, 2002
    Publication date: December 19, 2002
    Inventors: Roland Richard Freiheit, James Frederick Wilkin, Geoffrey David Steele