Patent ID: 7314087
Filing Date: 2008-01-01
Classification: E21B

Abstract:
1. A device comprising: a hydraulic tensioning cylinder system comprising at least one mandrel, at least one flexjoint swivel assembly in communication with the at least one mandrel, at least one manifold in communication with the at least one flexjoint swivel assembly, the at least one manifold having a plurality of first radial fluid band sections and second radial fluid band sections, a plurality of tensioning cylinders each having an upper blind end, a lower rod end, and at least one transfer tubing, the upper blind end being in communication with a respective one of the plurality of first radial fluid band sections, the at least one transfer tubing being in communication with a respective one of the plurality of second radial fluid band sections and the lower rod end being in communication with a bearing joint that is not a flexjoint bearing, and a base in communication with the bearing joint, the hydraulic tensioning cylinder system disposed beneath a rig floor and adapted to be connected at the at least one mandrel to the rig floor through a rotary table disposed in the rig floor; a hydraulic jacking system comprising a plurality of hydraulic cylinders, the hydraulic jacking system having a first portion and a second portion, the hydraulic jacking system disposed within the hydraulic tensioning cylinder system beneath the rig floor; stationary/rotary slips disposed within the hydraulic tensioning cylinder system and connected to one of the first portion and the second portion of the hydraulic jacking system; traveling slips disposed within the hydraulic tensioning cylinder system and connected to the one of the first portion and the second portion of the hydraulic jacking system not connected to the stationary/rotary slips; and a telescoping guide system disposed within the hydraulic tensioning cylinder system and connected to the traveling slips disposed within the hydraulic tensioning cylinder system.