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SIDE-SADDLE CANTILEVER MAST

  • US 20180128056A1
  • Filed: 11/07/2017
  • Published: 05/10/2018
  • Est. Priority Date: 11/07/2016
  • Status: Active Grant
First Claim
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1. A side saddle slingshot drilling rig comprising:

  • a right substructure and a left substructure, the substructures positioned generally parallel and spaced apart from each other;

    the right substructure comprises a right lower box and a first strut, the first strut pivotably coupled to the drill rig floor and pivotably coupled to the right lower box;

    the left substructure comprises a left lower box and a second strut, the second strut pivotably coupled to the drill rig floor and pivotably coupled to the left lower box;

    a drill rig floor, the drill rig floor including a V-door, the side of the drill rig floor including the V-door defining the V-door side of the drill rig floor, the V-door side of the drill rig floor parallel to the right substructure; and

    a mast, the mast including an open side defining a mast V-door side, the open side oriented to face perpendicular to the right substructure, the mast pivotably coupled to the drill rig floor by one or more mast pivot points and one or more lower mast attachment points, the mast being pivotable in a direction parallel to the V-door side of the drill rig floor or the mast being pivotable in a direction perpendicular to V-door side of the drill rig floor, the mast comprised of two or more subunits, wherein the two or more subunits are pinned together.

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