Method of transporting and installing an offshore structure
AssigneeOve Arup Partnership Limited
InventorGordon Jackson
Life of this patent
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Abstract
A method of transporting and installing an offshore structure including transporting the offshore structure to the installation site by barge with at least a portion of the structure being supported under the barge, and lowering the offshore structure to the water bed. In accordance with a preferred embodiment, the structure includes a tower and a base, with the tower being mounted offset from a center of the base through the use of bolts.
Claims23
A method of transporting an offshore structure to, and installing the structure at, a sea bed installation site comprising transporting the offshore structure to the installation site by a barge having a submerged portion with at least a portion of the structure being supported directly vertically under the submerged portion of the barge, and lowering the offshore structure in its installed orientation into its installation site on the sea bed wherein, prior to transporting the structure, the barge is floated into position over a part of the structure and the structure attached to the barge.
A method of transporting an offshore structure to, and installing the structure at, a sea bed installation site comprising transporting the offshore structure to the installation site by a barge having a submerged portion with at least a portion of the structure being supported directly vertically under the submerged portion of the barge, wherein the offshore structure is secured beneath and tensioned against the barge, and lowering the offshore structure in its installed orientation into its installation site on the sea bed.
A method of transporting an offshore structure to, and installing the structure at, a sea bed installation site comprising transporting the offshore structure to the installation site by a barge having a submerged portion with at least a portion of the structure being supported directly vertically under the submerged portion of the barge, and lowering the offshore structure in its installed orientation into its installation site on the sea bed, wherein the offshore structure is attached to the barge using strand jacking means.
A method of assembling, transporting and installing an offshore structure comprising:
- bolting a tower of the offshore structure to a base of the offshore structure;
- transporting the offshore structure to an installation site by barge with at least a portion of the offshore structure being supported directly vertically under the barge;
- and
- lowering the offshore structure to rest on a water bed at the installation site.
Dependencies are inferred from the claim text.