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Liquefied Natural Gas

Liquefied Natural Gas-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Liquefied natural gas production
May 31, 2018 - N°20180149424

Hydrocarbon processing systems and a method for liquefied natural gas (lng) production are described herein. The hydrocarbon processing system includes a fluorocarbon refrigeration system configured to cool a natural gas to produce lng using a mixed fluorocarbon refrigerant and a nitrogen rejection unit (nru) configured to remove nitrogen from the lng..
Lng integration with cryogenic unit
L'air Liquide, Societe Anonyme Pour L'etude Et L’exploitation Des Procedes Georges Claude
May 24, 2018 - N°20180142950

A method for the production of liquefied natural gas (lng) using a cold fluid provided from a cryogenic unit, such as an air separation unit or nitrogen liquefier, is provided. The method may include the steps of: withdrawing a nitrogen stream from a cryogenic unit, wherein the nitrogen stream is at a temperature between about −155° c.
Flexible cryogenic hose for liquefied natural gas (lng) transfers
Excelerate Energy Limited Partnership
May 03, 2018 - N°20180119872

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 ...
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Virtual gaseous fuel pipeline
Nearshore Natural Gas, Llc
April 05, 2018 - N°20180094772

Various embodiments provide an end-to-end gaseous fuel transportation solution without using physical pipelines. A virtual pipeline system and methods thereof may involve transportation of gaseous fuels including compressed natural gas (cng), liquefied natural gas (lng), and/or adsorbed natural gas (ang).
Method for energy storage with co-production of peaking power and liquefied natural gas
March 15, 2018 - N°20180073802

A method for energy storage with co-production of peaking power and liquefied natural gas (lng) which integrates the processes of liquid air energy storage and reduction in pressure of natural gas through expander at the co-located city gate station and includes consumption of excessive power from the grid, mechanical power of the natural gas expander and cold thermal energy of ...
System and method for liquefying natural gas with turbine inlet cooling
February 22, 2018 - N°20180051928

A system and method for processing natural gas to produce liquefied natural gas is disclosed. The natural gas is cooled in one or more heat exchangers using a first refrigerant from a first refrigerant circuit in which the first refrigerant is compressed in a first compressor driven by a first gas turbine having a first inlet air stream.
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Method for the integration of liquefied natural gas and syngas production
L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude
February 08, 2018 - N°20180038643

An integrated method for the production of liquefied natural gas (lng) and syngas is provided. The method can include the steps of: utilizing letdown energy of a high pressure natural gas stream that is withdrawn from a natural gas pipeline to provide a warm temperature cooling; utilizing a refrigeration cycle to provide a cold temperature cooling, wherein the refrigeration cycle ...
Plant for the liquefaction of nitrogen using the recovery of cold energy deriving from the ...
Siad Macchine Impianti S.p.a.
February 08, 2018 - N°20180038640

Method for the liquefaction of nitrogen using the recovery of cold energy deriving from the evaporation of liquefied natural gas comprising the steps of: sending a flow of nitrogen (100) to be liquefied to a precooler (101); sending a flow (107) of nitrogen gas exiting said precooler (101) to a heat exchanger (108) of the high pressure recirculation compressor; sending a flow (114) of nitrogen exiting ...
Robust recovery of natural gas letdown energy for small scale liquefied natural gas production
L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude
February 08, 2018 - N°20180038639

A method for liquefaction of natural gas using refrigeration from a combination of sources including a refrigeration cycle and letdown energy of natural gas is provided. The natural gas to be liquefied (lng) is boosted in pressure using a booster that is powered by expansion of a portion of the natural gas flow from the booster through a first natural ...
Floating liquefied natural gas pretreatment system
Cameron International Corporation
February 08, 2018 - N°20180038555

A pretreatment system and method for a floating liquid natural gas (“flng”) facility are presented. The inlet natural gas stream flows through a membrane system to remove carbon dioxide and a heat exchanger, producing first and second cooled co2-depleted non-permeate streams.
Floating liquefied natural gas pretreatment system
Cameron International Corporation
February 08, 2018 - N°20180038554

A pretreatment system and method for a floating liquid natural gas (“flng”) facility are presented. The inlet natural gas stream flows through a membrane system to remove carbon dioxide and a heat exchanger, producing first and second cooled co2-depleted non-permeate streams.
Lng tank container transport ship, and transport method using same
Korea Gas Corporation
February 08, 2018 - N°20180037302

An lng tank container transport ship, according to one embodiment of the present invention, which has a load space on the inside thereof, in which lng tank containers storing liquefied natural gas are loaded, comprises: a crane which is arranged on the upper part of the load space so as to catch a container to be transported; at least one ...
System and method for reducing vapor generation in liquefied natural gas fueled vehicle
Electro-motive Diesel, Inc.
February 01, 2018 - N°20180030941

A method of reducing vapor generation in an lng fueled vehicle is provided. The lng fueled vehicle includes an lng fuel system including an external lng pump.
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Floating liquefied natural gas commissioning system and method
Excelerate Energy Limited Partnership
December 21, 2017 - N°20170363350

A floating liquefied natural gas (“flng”) commissioning system and method are described. A system for commissioning a flng vessel comprises a floating liquefaction vessel positioned offshore proximate a shipyard, the floating liquefaction vessel comprising a natural gas liquefaction module and a first lng storage tank cryogenically coupled to the natural gas liquefaction module, a regasification vessel ...
Liquefied natural gas vaporizer for downhole oil or gas applications
Halliburton Energy Services, Inc.
December 14, 2017 - N°20170356597

A vaporizer apparatus for vaporizing liquefied natural gas (lng) into vapor-phase natural gas for injection into an oil or gas well, comprises a blower assembly, a burner section, a heat exchanger section, and at least one flammable gas concentration sensor. The blower assembly comprises a primary blower configured to move air along an air flow path through the vaporizer apparatus ...
Process for liquefying carbon dioxide resulting from a natural gas stream
L'air Liquide, Société Anonyme Pour I'etude Et I'exploitation Des Procédés Georges Claude
December 07, 2017 - N°20170350648

A process for producing liquefied natural gas and liquid carbon dioxide comprising: step a): separating a natural gas feed gas into a co2-enriched gas stream and a co2-depleted natural gas stream; step b): liquefying the co2-depleted natural gas stream in a liquefaction unit comprising at least a main heat exchanger and a system for producing frigories, said ...
Process for liquefying natural gas and carbon dioxide
L'air Liquide, Société Anonyme Pour L'etude Et L'exploitation Des Procédés Georges Claude
December 07, 2017 - N°20170350647

A process for producing liquefied natural gas (14) and liquid carbon dioxide (co2) (15) comprising at least the following steps: step a): separating a natural gas feed gas (1), containing hydrocarbons and carbon dioxide in a treatment unit (2), into a co2-enriched gas stream (4) and a co2-depleted natural gas stream (3); step b): liquefying the co2-depleted natural gas stream (3) resulting from step ...
Process for purifying natural gas and liquefying carbon dioxide
L'air Liquide, Société Anonyme Pour I'exploitation Des Procédés Georges Claude
December 07, 2017 - N°20170350646

A process for producing liquefied natural gas and liquid carbon dioxide from a natural gas feed gas comprising at least the following steps: separation of a natural gas feed gas into a co2-enriched gas stream and a natural gas stream; cooling of said natural gas in a heat exchanger; purification of the in step 1 from compounds containing at least ...
Integrated process for ngl (natural gas liquids recovery) and lng (liquefaction of natural gas)
Linde Engineering North America Inc.
November 23, 2017 - N°20170336138

The invention relates to an integrated process and apparatus for liquefaction of natural gas and recovery of natural gas liquids. In particular, the improved process and apparatus reduces the energy consumption of a liquefied natural gas (lng) unit by using a portion of the already cooled overhead vapor from a fractionation column from an ngl (natural gas liquefaction) unit to, ...
Pump for fluid system and method of operating same
Caterpillar Inc.
November 23, 2017 - N°20170335834

A fluid system such as a fuel system includes a fluid supply and a pump coupled between the fluid supply and a plurality of fluid delivery devices. The pump can be a cryogenic pump such as for liquefied natural gas, with valve mechanisms to control hydraulic actuation of a piston used to pump the liquefied natural gas.
Heat-insulation system for liquefied natural gas cargo hold
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
November 09, 2017 - N°20170320549

Disclosed is a heat-insulation system for a liquefied natural gas cargo hold, which comprises a primary sealing wall, a secondary sealing wall, and a secondary heat-insulating layer, and is applied to a liquefied natural gas cargo hold. The heat-insulation system for a liquefied natural gas cargo hold comprises a collar stud installed on a line on the upper surface of ...
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