Offshore platform leg-mating apparatus and a method of assembly

Details Offshore platform leg-mating apparatus and a method of assembly Offshore platform leg-mating apparatus and a method of assembly

E - Fixed Constructions

02

B

61/12.1

E02B 17/00 (2006.01)

Patent

CA 1246880

OFFSHORE PLATFORM LEG-MATING APPARATUS AND A METHOD OF ASSEMBLY Abstract of the Disclosure A leg mating system for aligning a pre-constructed deck portion with a previously situated base portion of an offshore platform. The deck portion is supported upon a barge and brought into position above the base. A plur- ality of stabbing pins are hydraulically extended from the legs of the deck portion and are received in capture members in the legs of the base portion. A first spring having a first spring rate and a second spring having a second spring rate higher than the first, are operative in that order to resiliently oppose reduction of the separ- ation between the deck and base portions with a spring rate which increases as the separation decreases. The capture members are capable of accomodating axial misalign- ment between the legs of the deck and base portions of up to five degrees.

500665

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