Patent ID: 8382399
Filing Date: 2013-02-26
Classification: E02D,E21B

Abstract:
1. A heave compensation system to enable the transfer of tubulars between a floating platform and a snubbing jack, the system comprising: a riser tensioner system coupled to a riser, wherein the riser tensioner system tensions the riser; a snubbing jack coupled the riser, wherein the snubbing jack provides a traveling slip assembly; and a piston having a first end connected to the floating platform and a second end in connection with the traveling slip assembly of the snubbing jack, the piston operable between a disengaged position and an engaged position: wherein when the piston is in the disengaged position the traveling slip assembly moves separate and independent from the movement of the floating platform and when the piston is in the engaged position the traveling slip assembly is locked in a constant position relative to the floating platform.