Patents by Inventor Dean A. Bennett

Dean A. Bennett 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).

  • Mud hydraulic top drive
    Patent number: 9493985
    Abstract: A top drive includes a hydraulic motor in fluid communication with first inlet for a supply of pressurized drilling fluid. A drill string adapter is mechanically coupled to the hydraulic motor and is in fluid communication with the first inlet.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: November 15, 2016
    Assignee: National Oilwell Varco, L.P.
    Inventors: James William Weir, Dean A. Bennett
  • MUD HYDRAULIC TOP DRIVE
    Publication number: 20150027782
    Abstract: A top drive includes a hydraulic motor in fluid communication with first inlet for a supply of pressurized drilling fluid. A drill string adapter is mechanically coupled to the hydraulic motor and is in fluid communication with the first inlet.
    Type: Application
    Filed: July 23, 2013
    Publication date: January 29, 2015
    Applicant: National Oilwell Varco, L.P.
    Inventors: James William WEIR, Dean A. Bennett
  • Multi-function multi-hole drilling rig
    Patent number: 8181698
    Abstract: A multi-function multi-hole rig including multiple machines for accomplishing various rig functions, e.g., drilling machine(s), tripping machine(s), casing machine(s), cementing machine(s), workover machine(s), etc., for drilling, completing and/or working over multiple wellbores without moving the rig. Rig functions may be performed one after the other and/or simultaneously, while allowing other functions related to completion and production to continue simultaneously.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: May 22, 2012
    Assignee: National Oilwell Varco L.P.
    Inventors: Frank Benjamin Springett, Dean A. Bennett, David Gilbert Reid
  • MULTI-FUNCTION MULTI-HOLE DRILLING RIG
    Publication number: 20100147524
    Abstract: A multi-function multi-hole rig including multiple machines for accomplishing various rig functions, e.g., drilling machine(s), tripping machine(s), casing machine(s), cementing machine(s), workover machine(s), etc., for drilling, completing and/or working over multiple wellbores without moving the rig. Rig functions may be performed one after the other and/or simultaneously, while allowing other functions related to completion and production to continue simultaneously.
    Type: Application
    Filed: December 10, 2009
    Publication date: June 17, 2010
    Inventors: Frank Benjamin Springett, Dean A. Bennett, David Gilbert Reid
  • Methods and apparatuses for wellbore operations
    Patent number: 7360603
    Abstract: A dual sided elevator for supporting a tubular member in a wellbore operation, the elevator in one aspect having an openable back end and an openable front end, either end openable by using opening apparatus at the front of the elevator; such an elevator with operation apparatus within an elevator body; and/or a top drive system which, in at least certain embodiments, has an apparatus connected below it for breaking connections and such an elevator.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: April 22, 2008
    Assignee: Varco I/P, Inc.
    Inventors: Frank Benjamin Springett, Eric T. Ensley, Dean A. Bennett, Raul Araujo
  • Pipe guide
    Patent number: 7350587
    Abstract: A guide is disclosed for facilitating the movement of tubulars in well operations. In one aspect, the guide is a pipe guide with a base, an upper extension apparatus, a lower extension apparatus with a first end pivotably secured to the upper extension apparatus and selectively extendable with the upper extension apparatus, and a pipe holder apparatus connected to the upper extension apparatus.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: April 1, 2008
    Assignee: Varco I/P, Inc.
    Inventors: Frank Benjamin Springett, Eric T. Ensley, Dean A. Bennett, James D. Brugman