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US 2022/0099253 A1Published application
Gas storage system
AssigneeSllp 134 Limited
InventorMalcolm Bowie
Life of this patent
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Abstract
A portable subsea storage tank for the storage of gas products under pressure or oil products consisting of pipeline sections in an array which can be coated in specialist coatings and recovered for inspection and re-use. A method of self-installing the subsea storage tank is also described.
Claims26
A portable subsea storage tank for the storage of gas products under pressure or oil products comprising:
- an array of pipe members, the pipe members connected together and configured to contain a fluid for storage;
- a framework to hold the pipe members in the array;
- a hull supporting the framework and providing transportation of the storage tank to and from a quayside to a location on the seabed and subsequent re-use at different locations;
- ballast capacity to control the descent/ascent of the storage tank;
- and
- an anchoring arrangement to hold the storage tank in position to the seabed.
3 more elements
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A method of self-installing a portable subsea storage tank comprising the steps of:
- (a) providing a portable subsea storage tank comprising:
- an array of pipe members, the pipe members connected together and configured to contain a fluid for storage;
- a framework to hold the pipe members in the array;
- a hull supporting the framework and providing transportation of the storage tank to and from a quayside to a location on the seabed and subsequent re-use at different locations;
- ballast capacity to control the descent/ascent of the storage tank;
- and
- an anchoring arrangement to hold the storage tank in position to the seabed;
- (b) floating and towing the portable subsea storage tank to a desired location;
- (c) adjusting ballast capacity on the subsea storage tank to thereby submerge the subsea storage tank;
- (d) anchor the subsea storage tank to the seabed;
- and
- (e) introducing a fluid into the pipe members of the subsea storage tank to store the fluid.
9 more elements
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Dependencies are inferred from the claim text.