Flexible cryogenic hose for liquefied natural gas (LNG) transfers
A technology for liquefied natural gas and conveying hoses, which can be used in hoses, pipes, insulation and other directions to solve problems such as hidden safety hazards and delays in shipping vessels
Inactive Publication Date: 2017-08-18
EXCELERATE ENERGY LTD PARNERSHIP
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AI Technical Summary
Problems solved by technology
This spill causes a time consuming cycle of draining, cleaning and waiting with neither the transfer voyage nor the receiving vessel able to leave the transfer site until the hose is disconnected
Delays due to repeated draining and cleaning of hoses can cause the carrier to leave the port or transfer location six to seven hours late, resulting in demurrage charges
These delays can also cause additional safety concerns if weather systems that may adversely affect the safety of vessels involved in STS operations are advanced.
As is clear from the above, current flexible STS hoses suffer from spillage and can cause delays to shipping vessels
Method used
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[0026] A flexible cryogenic hose for liquefied natural gas (LNG) transportation will now be described. In the following exemplary descriptions, numerous details are set forth in order to provide a more thorough understanding of embodiments of the invention. It will be apparent, however, to one of ordinary skill, that the present invention may be practiced in all aspects without incorporating the specific details set forth herein. In other instances, no detailed description is provided for specific features, quantities or measures that would be familiar to those of ordinary skill in the art so as not to obscure the invention. The reader should note that while examples of the invention have been set forth herein, the metes and bounds of the invention are defined by the claims and their full scope of equivalents.
[0027] As used in this specification and the appended claims, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates othe...
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A flexible cryogenic hose for liquefied natural gas (LNG) transfers is described. A cryogenic LNG transfer hose includes an LNG transfer hose carcass including an inner coil forming an inner diameter of the LNG transfer hose carcass, at least one elongate sheath form-fitted about an outer surface of the inner coil, wherein the at least one elongate sheath is impermeable to natural gas, and an outer coil forming an outer diameter of the LNG transfer hose carcass. A marine LNG transfer system includes a cryogenic flexible hose fluidly coupling a transferring LNG carrier located offshore and an LNG receiving vessel, the cryogenic flexible hose comprising a coil, at least one natural gas impermeable elongate sheath form-fit about an outer surface of the coil, and wherein LNG flows through the cryogenic flexible hose during transfer of LNG between the transferring LNG carrier and the LNG receiving vessel.
Description
technical field [0001] Embodiments of the invention described herein are in the field of marine cryogenic transport equipment. More specifically, but by no means limitation, one or more embodiments of the present invention allow for a flexible cryogenic hose for liquefied natural gas (LNG) transportation. Background technique [0002] It is often advantageous to transport natural gas, which is normally gaseous at ambient conditions, as a subcooled liquid called liquefied natural gas (LNG). For example, while natural gas is typically transported as gas through pipelines from the point of production to the point of consumption, there are situations where it may not be feasible to do so. For example, the location of production and the location of demand can be separated in such a way that ocean transportation by ship away from market is more economically viable than transportation by pipeline. Without an efficient way to get gas to where there is commercial demand, the opport...
Claims
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IPC IPC(8): F16L11/115B63B27/34
CPCB63B27/34F16L11/115F16L2011/047F17C7/00F16L11/11F16L59/141
Inventor 马克·K·莱恩
Owner EXCELERATE ENERGY LTD PARNERSHIP