Patents by Inventor Steve Barrow

Steve Barrow 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).

  • Patent number: 7090019
    Abstract: A subsea well casing cutting tool for use as part of a well abandonment procedure, the casing cutting tool deployable from a vessel located at a water surface, where in certain embodiments the casing cutting tool comprises a casing gripper; a rotary cutter drive assembly; a rotary cutter; a rotating fluid union that allows high volume water to be fed to the rotating cutting assembly below the drive motor for purposes of extending the cutting blades; and a third party casing hanger removal tool wherein the casing cutting drive assembly forms an interface between the third party rotary casing cutter, an existing subsea casing, and a work class ROV. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope of meaning of the claims.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: August 15, 2006
    Assignee: Oceaneering International, Inc.
    Inventors: Steve Barrow, Donald L. Thorne, Dan Thomas Benson, Rich McCoy
  • Publication number: 20050145389
    Abstract: A subsea well casing cutting tool for use as part of a well abandonment procedure, the casing cutting tool deployable from a vessel located at a water surface, where in certain embodiments the casing cutting tool comprises a casing gripper; a rotary cutter drive assembly; a rotary cutter; a rotating fluid union that allows high volume water to be fed to the rotating cutting assembly below the drive motor for purposes of extending the cutting blades; and a third party casing hanger removal tool wherein the casing cutting drive assembly forms an interface between the third party rotary casing cutter, an existing subsea casing, and a work class ROV. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope of meaning of the claims.
    Type: Application
    Filed: August 12, 2004
    Publication date: July 7, 2005
    Inventors: Steve Barrow, Donald Thorne, Dan Benson, Rich McCoy