Patents by Inventor Geofrey O. Rouse

Geofrey O. Rouse 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).

  • Casing cutting and retrieving tool
    Patent number: 5318115
    Abstract: A casing cutting and retrieving tool is described which includes a grapple device (2) for mechanically gripping casing to be retrieved. A mud motor having upper and lower stators (70, 73) and a rotor is also provided. The upper stator (70) acts as a suspension device for suspending the grapple device (2) from a drill string, and the upper stator (70) is mechanically fast with the grapple device (2). A rotary cutter (76) depends from a drive end (74) of the rotor and is rotatable by the rotor to cut the casing at a location below the grapple device (2).
    Type: Grant
    Filed: July 23, 1993
    Date of Patent: June 7, 1994
    Assignee: Weatherford U.S., Inc.
    Inventor: Geofrey O. Rouse