AN INSTALLATION METHOD OF THE SUPPORT FOR RISER TENSIONER

摘要

A method for mounting a riser tensioner support according to the present invention increases work efficiency by unifying constructions of the lower structure of a drill floor block and the upper plate of a drill floor and concurrently eliminates the interference with the upper plate of the drill floor generated when towing the riser tensioner support by arranging an opening capable of making a crane wire enter into the upper plate of the drill floor. The method for mounting the riser tensioner support comprises: a unified block construction step of unifying and constructing the structure of the lower structure and the upper plate of the drill floor; and a mounting step of mounting the riser tensioner support at a side edge of the lower structure. The unified block construction step more includes a step of arranging the opening on the upper plate of the drill floor for making the crane wire enter into the upper plate of the drill floor positioned upward from a position where the riser tensioner support is mounted.