On Inclined Derrick Mounted Track Patents (Class 414/22.69)
  • Portable pipe handling system
    Patent number: 9879486
    Abstract: A portable pipe handling apparatus and method includes providing a support structure adapted to support a pipe stand along a pipe stand building axis associated therewith, and inclining the pipe stand building axis so that an upper end of the axis is adjacent a top drive in a drilling rig mast and so that the pipe stand translation trajectory which is substantially co-axial with the pipe stand building axis intersects a hand-off window between the top drive and the pipe stand building axis.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: January 30, 2018
    Assignee: Warrior Rig Technologies Limited
    Inventors: Allan Stewart Richardson, Monte Neil Wright
  • Pipe handling apparatus
    Patent number: 6588981
    Abstract: A pipe handling apparatus for laying elongate articles in deep waters includes a tiltable pipe handling structure housing a traveling clamp for holding and/or paying out under tension the elongate article and a fixed clamp. The traveling clamp is driven via an articulated rack located by a guide mechanism. The rack driven by a pinion drive mechanism and acts at a lower portion of the rack, such that the center of gravity of the apparatus is lowered, and loading in the structure is reduced.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: July 8, 2003
    Assignee: Stolt Offshore Limited
    Inventors: Stewart K Willis, Richard W Turnbull
  • Automatic rod assembly
    Patent number: 6364036
    Abstract: The invention pertains to a method for introducing and removing rod sections into and from the push/pull axis of a push/pull unit, the individual rod sections being essentially arranged one after another and being joined to one another or detached from one another by being rotated in or out about an axis located essentially perpendicular to the axis of the rod section.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: April 2, 2002
    Assignee: Tracto-Technik-Paul Schmidt Spezialmaschinen
    Inventor: Franz-Josef Puttmann