Hydraulic and earth engineering – Fluid control – treatment – or containment – Floatable matter containment
Patent
1982-02-11
1983-09-20
Corbin, David H.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Floatable matter containment
405203, 405210, E02B 1504, E02D 2302
Patent
active
044052588
ABSTRACT:
An improved method for storing a lighter-than-water fluid, e.g., oil, produced from the blowout of an offshore subsea well is provided herein. The method includes the steps of deploying a containment dome in shallow water near the location of the seabed where the containment dome is to be located. The containment dome as an upper expanded dome-like fluid impervious membrane, a fluid impervious hollow peripheral ring attached to the periphery of the membrane to provide a depending bag-like container, and discrete water drainage means within the bag-like container for connection to pump conduit means therefrom. Wet sand from the seabed is then pumped into the bag-like container, and water is then drained from the wet sand through the water drainage means so as to provide a body of drained sand disposed within the bag-like container and providing a hollow peripheral ring as a hollow peripheral torus acting as a self-supporting structure and as an anchor for the dome-like structural unit. The dome is then charged with a buoyant amount of air and the buoyed dome is floated out to the site where the dome is to be deployed. It is then submerged by controllably releasing the air while substantially simultaneously filling the dome with water, thereby sinking the dome until the lighter-than-water fluid is captured within the dome, while such fluid substantially simultaneously displaces water from within the dome.
REFERENCES:
patent: 3664136 (1972-05-01), Laval et al.
patent: 3681923 (1972-08-01), Hyde
patent: 3777497 (1973-12-01), Edwards
patent: 3824942 (1974-07-01), Stafford et al.
patent: 3981154 (1976-09-01), Hix
patent: 4047390 (1977-09-01), Boyce
O'Rourke Cameron
Pilkington Roger
Corbin David H.
Dome Petroleum Limited
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