Marine structure for drilling after and/or production of hydrocarbons
First Claim
1. A floating off-shore platform which, in operation, is anchored to the sea bed by an anchoring means, said platform comprising an elongated floating structure which, in operation, floats in an upright position;
- an anchor means which, in operation, is founded on the sea bed beneath the floating structure;
at least one vertically elongated member interconnecting the floating structure and the anchor means;
means, located on said platform, for tensioning the at least one vertically elongated member so as to restrain vertical displacement of the floating structure;
a plurality of horizontal members interconnecting the lower end of the floating structure and the anchor means; and
means, located on said platform, for tensioning said horizontal member so as to restrain lateral displacement of the lower end of the floating structure.
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Abstract
A floating offshore platform is provided which, in operation, is anchored to the sea bed by an anchoring device. The platform includes an elongate column-like structure which, in operation, floats in an upright position. An anchoring device is connected to the elongate structure by at least one vertically extending cable or the like which is tensioned to restrain vertical displacement of the structure, and a plurality of generally horizontally extending members which interconnect the lower end of the structure with the anchoring device so as to restrain lateral displacement of the lower end of the structure. With this arrangement, the column-like structure behaves as a floating column pivoted to the sea bed.
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Citations
9 Claims
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1. A floating off-shore platform which, in operation, is anchored to the sea bed by an anchoring means, said platform comprising an elongated floating structure which, in operation, floats in an upright position;
- an anchor means which, in operation, is founded on the sea bed beneath the floating structure;
at least one vertically elongated member interconnecting the floating structure and the anchor means;
means, located on said platform, for tensioning the at least one vertically elongated member so as to restrain vertical displacement of the floating structure;
a plurality of horizontal members interconnecting the lower end of the floating structure and the anchor means; and
means, located on said platform, for tensioning said horizontal member so as to restrain lateral displacement of the lower end of the floating structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- an anchor means which, in operation, is founded on the sea bed beneath the floating structure;
Specification