Abstract: A floating offshore structure includes a buoyant hull including a first column, a second column, and a pontoon coupled to the first column and the second column. The pontoon extends horizontally from the first column to the second column. The pontoon includes a first tubular member, a second tubular member positioned laterally adjacent to the first tubular member, a first edge plate extending horizontally from the first tubular member, and a second edge plate extending horizontally from the second tubular member. The first tubular member and the second tubular member are disposed between the first edge plate and the second edge plate. Each tubular member has a central axis, a first end coupled to the lower end of the first column, and a second end coupled to the lower end of the second column. The longitudinal axis of the first tubular member and the longitudinal axis of the second tubular member are disposed in a common horizontal plane.

Abstract: A floating offshore structure includes a buoyant hull including a first column, a second column, and a pontoon coupled to the first column and the second column. Each column is vertically oriented and the pontoon extends horizontally from the first column to the second column. Each column has a central axis, an upper end, and a lower end. The pontoon includes a first tubular member and a second tubular member positioned laterally adjacent to the first tubular member. Each tubular member has a central axis, a first end coupled to the lower end of the first column, and a second end coupled to the lower end of the second column. The longitudinal axis of the first tubular member and the longitudinal axis of the second tubular member are disposed in a common horizontal plane.

Abstract: A offshore system for storing oil includes a hull. The hull includes a buoyancy compartment and an oil storage compartment disposed below the buoyancy compartment. The oil storage compartment has an upper end, a lower end, and an inner cavity. In addition the system includes a water port in fluid communication with the inner cavity and configured to allow water to exit the inner cavity. Further, the system includes an oil heating and circulation system coupled to the hull. The oil heating and circulation system includes a suction line having an inlet disposed in the inner cavity proximal the upper end. The inlet is configured to draw oil from the inner cavity. The oil heating and circulation system also includes an oil heater coupled to the suction line and configured to heat oil passing through the suction line. Further, the system includes a return line coupled to the oil heater.

Abstract: A offshore system for storing oil includes a hull. The hull includes a buoyancy compartment and an oil storage compartment disposed below the buoyancy compartment. The oil storage compartment has an upper end, a lower end, and an inner cavity. In addition the system includes a water port in fluid communication with the inner cavity and configured to allow water to exit the inner cavity. Further, the system includes an oil heating and circulation system coupled to the hull. The oil heating and circulation system includes a suction line having an inlet disposed in the inner cavity proximal the upper end. The inlet is configured to draw oil from the inner cavity. The oil heating and circulation system also includes an oil heater coupled to the suction line and configured to heat oil passing through the suction line. Further, the system includes a return line coupled to the oil heater.

Abstract: A floating offshore structure includes a buoyant hull including a first column, a second column, and a pontoon coupled to the first column and the second column. Each column is vertically oriented and the pontoon extends horizontally from the first column to the second column. Each column has a central axis, an upper end, and a lower end. The pontoon includes a first tubular member and a second tubular member positioned laterally adjacent to the first tubular member. Each tubular member has a central axis, a first end coupled to the lower end of the first column, and a second end coupled to the lower end of the second column. The longitudinal axis of the first tubular member and the longitudinal axis of the second tubular member are disposed in a common horizontal plane.

Abstract: A system for offloading a fluid from an offshore structure comprises an annular conduit support structure disposed about the offshore structure. The support structure is fixably coupled to the offshore structure. In addition, the system comprises an annular reel disposed about the offshore structure and rotatably coupled to the support structure. The reel includes a conduit fairlead configured to move relative to the support structure. Further, the system comprises a flexible conduit having a fluid inlet end and a fluid outlet end. The flexible conduit includes a first portion wrapped around the conduit support structure and a second portion extending from the conduit support structure through the fairlead.

Abstract: A method for constructing an FPSO comprises (a) assembling and integrating a plurality of modules to form a module assembly for installation on the FPSO. In addition, the method comprises (b) supporting the module assembly with one or more ballast adjustable pontoons. Further, the method comprises (c) positioning the module assembly over a deck of a vessel after (a) and (b). Still further the method comprises (d) de-ballasting the vessel and/or ballasting the one or more pontoons to load the module assembly onto the deck of the vessel after (c).

Abstract: A method for constructing an FPSO comprises (a) assembling and integrating a plurality of modules to form a module assembly for installation on the FPSO. In addition, the method comprises (b) supporting the module assembly with one or more ballast adjustable pontoons. Further, the method comprises (c) positioning the module assembly over a deck of a vessel after (a) and (b). Still further the method comprises (d) de-ballasting the vessel and/or ballasting the one or more pontoons to load the module assembly onto the deck of the vessel after (c).