Patent ID: 7322406
Filing Date: 2008-01-29
Classification: E21B

Abstract:
1. In an apparatus for stabbing a suspended tubular, said apparatus including a boom which is pivotable up and down and at least one grasping member carried by said boom, said grasping member being movable relative to said boom in a grasping and releasing movement for grasping and releasing said tubular, the improvement comprising: said grasping member also being movable relative to said boom in a folding and unfolding movement, different from said grasping and releasing movement, for folding and unfolding said grasping member with respect to said boom; said grasping member being mounted on said boom by an assembly comprising a first bracket secured on said boom and a second bracket which retains said grasping member for said grasping and releasing movement, wherein said second bracket is pivotably connected to said first bracket for folding and unfolding said grasping member with respect to said boom in accordance with said folding and unfolding movement; and a piston and cylinder assembly connected between said first bracket and said second bracket.