Hydraulic and earth engineering – Marine structure or fabrication thereof – Storage container
Patent
1986-05-20
1987-03-31
Taylor, Dennis L.
Hydraulic and earth engineering
Marine structure or fabrication thereof
Storage container
114264, 405195, 405224, E02D 2738, E02B 2906
Patent
active
046539603
ABSTRACT:
A submersible offshore crude oil separator and storage facility for petroleum products which may also form a stable platform which an offshore structure or vessel for drilling or production of petroleum products may be removably located. The buoyancy of the oil separator and storage vessel and platform facility is controllable to compensate for the weight of apparatus to be located thereon and production fluid to be contained therein. An elongated storage chamber defined therein may be in the form of a plurality of vertical compartments to insure the safety and integrity of the system should one of the compartments become ruptured or otherwise develop a leak. The storage chamber is pressure balanced with the hydrostatic pressure of sea water thus permitting it to be manufactured of relatively light weight and low cost materials as compared to vessels designed to withstand hydrostatic pressure and/or internal pressure. This service and storage facility is maintained at a marine site by a plurality of anti-catenary lines which radiate therefrom and which are secured to appropriate anchors at the ocean floor. These anti-catenary lines are defined by interconnected tubular members forming a tube chain, the tubular members having air interchange buoyancy control to offset catenary forces, thus rendering the anchoring line substantially neutrally buoyant.
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Jackson James L.
Taylor Dennis L.
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