Patents by Inventor Thomas DIDRY

Thomas DIDRY 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).

  • Drill stem element with fluid activation zone
    Patent number: 10676995
    Abstract: A tubular element for a drill stem includes a substantially cylindrical body and two tool joints. Each tool joint is disposed at one end of the body and provided with a threaded portion that can be joined to a complementary element. At least one of the tool joints has a lifting surface that can cooperate with a lifting tool of the element to connect it into a drill stem. The lifting surface has a non-circular cross-section forming an activation zone for a drilling fluid.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: June 9, 2020
    Assignee: Tuboscope Vetco (France) SAS
    Inventors: Christophe Rohart, Thomas Didry
  • Drill-string liner element furnished with an improved hardbanding layer
    Patent number: 10202810
    Abstract: A drill-string liner element includes at least one hardbanding layer. The hardbanding layer includes one or more strands of filler metal, each having a width between 1 and 5 millimeters and deposited in adjacent manner to form a substantially continuous layer over a zone of the element. The hardness in the thickness of the layer varies by less than 10 HRC over the zone.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: February 12, 2019
    Assignees: TUBOSCOPE VETCO (FRANCE) SAS, GRANT PRIDECO, L.P.
    Inventor: Thomas Didry
  • DRILL-STRING LINER ELEMENT FURNISHED WITH AN IMPROVED HARDBANDING LAYER
    Publication number: 20160340985
    Abstract: A drill-string liner element includes at least one hardbanding layer. The hardbanding layer includes one or more strands of filler metal, each having a width between 1 and 5 millimeters and deposited in adjacent manner to form a substantially continuous layer over a zone of the element. The hardness in the thickness of the layer varies by less than 10 HRC over the zone.
    Type: Application
    Filed: December 22, 2014
    Publication date: November 24, 2016
    Applicant: VALLOUREC DRILLING PRODUCTS FRANCE
    Inventor: Thomas DIDRY
  • DRILL STRING ELEMENT WITH A FLUID ACTIVATION AREA
    Publication number: 20150361729
    Abstract: A tubular element (3) for a drill stem comprising a substantially cylindrical body (12) and two tool joints (4, 5), each tool joint being disposed at one end of the body and provided with a threaded portion (18, 19) which can be joined to a complementary element, at least one of the tool joints having a lifting surface (22) which can cooperate with a lifting tool of the element to connect it into a drill stem, characterized in that the lifting surface has a non-circular cross-section forming an activation zone (24) for a drilling fluid.
    Type: Application
    Filed: June 12, 2013
    Publication date: December 17, 2015
    Applicant: VALLOURCE DRILLING PRODUCTS FRANCE
    Inventors: Christophe ROHART, Thomas DIDRY