Patents Assigned to VALLOURCE DRILLING PRODUCTS FRANCE
  • 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