Importance

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Abstract

Both an offshore platform mating system and method are disclosed in which adjacent first and second jacket sections are provided with a plurality of corresponding docking poles and receptacles, respectively. Alignment of the adjacent jacket sections is facilitated by using at least one extended or lead docking pole on the first jacket section which projects further toward the second jacket section than do the other docking poles and is thus the first to engage one of the horizontally aligned receptacles when the first and second jacket sections vertically approach. Mating procedures for the first and second jacket sections continue with rotational alignment of the first and second jacket sections about the lead docking pole which acts as a pivot while alignment of the other receptacles is adjusted with respect to the other docking poles. The first and second jacket sections are then brought closer and further docking poles and receptacles are brought together and the load is transferred between structural bearing members.

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First Claim