Method and system for developing offshore hydrocarbon reserves
First Claim
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1. A docking apparatus for joining first and second offshore structures, comprising:
- a means for maneuvering the relative position of the first and second structures;
a docking frame member mounted to pivot vertically and extend outwardly from the first structure;
a corresponding docking support mounted on the second structure adapted to receive the docking frame member in a connection that accommodates two degrees of freedom, vertical and horizontal pivoting actions;
a strut mounted on and extendable from the first structure; and
a corresponding connection point on the second structure adapted to receive the strut in a vertically pivotable engagement.
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Abstract
A method and system are disclosed for establishing hydrocarbon production for offshore reservoirs in which a compliant platform is installed at a selected site, an offshore drilling vessel is docked to the compliant platform and the vessel is positioned over a selected well site for conducting drilling operations, and the production riser is transferred from the vessel to the compliant platform and secured there. Communication between a surface tree installed on the production riser and facilities supported by the compliant platform is established and these steps are repeated for each selected well site served by the compliant platform.
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Citations
9 Claims
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1. A docking apparatus for joining first and second offshore structures, comprising:
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a means for maneuvering the relative position of the first and second structures; a docking frame member mounted to pivot vertically and extend outwardly from the first structure; a corresponding docking support mounted on the second structure adapted to receive the docking frame member in a connection that accommodates two degrees of freedom, vertical and horizontal pivoting actions; a strut mounted on and extendable from the first structure; and a corresponding connection point on the second structure adapted to receive the strut in a vertically pivotable engagement. - View Dependent Claims (2, 3, 4)
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5. A system for docking an auxiliary drilling vessel to a tension leg well jacket, comprising:
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means for maneuvering the auxiliary drilling vessel; a docking frame member mounted to pivot vertically and extend outwardly from the auxiliary drilling vessel; a docking support on the tension leg Well jacket adapted to receive the docking frame member in a connection that accommodates vertical and horizontal pivoting action; a strut mounted to pivot vertically and extend outwardly from the auxiliary drilling vessel; and
a strut receiving connection on the tension leg well jacket adapted to receive the strut in a vertically pivoting engagement.
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6. A method for docking a semisubmersible drilling vessel to a tension leg well jacket, comprising:
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maneuvering the auxiliary drilling vessel such that a docking frame member extending from a first column of the drilling vessel engages a docking support on the tension leg well jacket and securing first connection between the docking frame member and the docking support; and rotating the auxiliary drilling vessel about the first connection such that a strut mounted on a second column of the drilling vessel engages a strut connection point on the tension leg well jacket and securing a second connection between the strut and the strut connection point. - View Dependent Claims (7, 8, 9)
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Specification