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Liquefied Natural Gas patents

      

This page is updated frequently with new Liquefied Natural Gas-related patent applications.




 Consolidated refrigeration and liquefaction module in a hydrocarbon processing plant patent thumbnailConsolidated refrigeration and liquefaction module in a hydrocarbon processing plant
A method of processing natural gas to produce liquefied natural gas using a consolidated refrigeration and liquefaction module. The natural gas is cooled in a first array of one or more heat exchangers using a first refrigerant from a first refrigerant circuit, wherein the first refrigerant is compressed in a first compressor.

 Lng gasification systems and methods patent thumbnailLng gasification systems and methods
A skid for capturing refrigeration from liquefied natural gas vaporization is disclosed comprising a first heat exchanger mounted on the skid, the first heat exchanger having a natural gas inlet, a natural gas outlet, a process fluid inlet, and a process fluid outlet. The process fluid is configured to flow from the process fluid inlet through the first heat exchanger to the process fluid outlet and then to the process fluid inlet.
Crowley Maritime Corporation


 Integrated lng gasification and power production cycle patent thumbnailIntegrated lng gasification and power production cycle
The present disclosure provides an integrated power generating system and method and liquefied natural gas (lng) vaporization system and method. More particularly, heat from a co2 containing stream from the power generating system and method can be used to heat the lng for re-gasification as gaseous co2 from co2 containing stream is liquefied.
8 Rivers Capital, Llc


 Apparatus and system for combined temperature and pressure swing adsorption processes related thereto patent thumbnailApparatus and system for combined temperature and pressure swing adsorption processes related thereto
Provided are apparatus and systems for performing a swing adsorption process. This swing adsorption process may involve passing streams through adsorbent bed units to treat the pipeline quality natural gas to form a stream that complies with liquefied natural gas (lng) specifications.

 Apparatus and system for swing adsorption processes related thereto patent thumbnailApparatus and system for swing adsorption processes related thereto
Provided are apparatus and systems for performing a swing adsorption process. This swing adsorption process may involve passing streams through adsorbent bed units to remove contaminants, such as water, from the stream.

 Method for the production of liquefied natural gas patent thumbnailMethod for the production of liquefied natural gas
A method for the production of liquefied natural gas (lng) without the use of externally provided electricity is provided the method may include the steps of: providing a transportable apparatus, wherein the transportable apparatus comprises a housing, a heat exchanger, a phase separator, a first refrigeration supply, and a second refrigeration supply, wherein the first refrigeration supply and the second refrigeration supply are configured to provide refrigeration within the heat exchanger; introducing a natural gas stream into the transportable apparatus at a first pressure under conditions effective for producing an lng stream; withdrawing the lng stream from the transportable apparatus; and withdrawing a warm natural gas stream from the transportable apparatus, wherein the warm natural gas stream is at a second pressure, wherein the second pressure is lower than the first pressure.. .
L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude


 Apparatus for the production of liquefied natural gas patent thumbnailApparatus for the production of liquefied natural gas
A transportable apparatus for production of liquefied natural gas (lng) having include a housing, a natural gas feed inlet, a heat exchanger, a phase separator, a liquid outlet disposed on the cold end of the heat exchanger, an lng product outlet disposed on the cold end of the heat exchanger, a first refrigeration supply, a second refrigeration supply, and wherein the heat exchanger, the phase separator, the first expansion valve, the first refrigeration supply, and the second refrigeration supply are all disposed within the housing. The first refrigeration supply includes expansion of a portion of the lng product, and the second refrigeration supply can include expansion of another portion of the lng product or expansion and heat exchange with a supply of liquid nitrogen.
L'air Liquide, Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude


 Method for the production of liquefied natural gas and nitrogen patent thumbnailMethod for the production of liquefied natural gas and nitrogen
A method for the production of liquefied natural gas (“lng”) and nitrogen is provided. The method may include the steps of: a) providing a nitrogen production facility, wherein nitrogen production facility comprises: a main heat exchanger, an air separation unit, a nitrogen recycle compressor, a first nitrogen refrigeration supply configured to provide refrigeration to the main heat exchanger for cooling a main air feed, b) providing a secondary refrigeration supply; c) liquefying a natural gas stream using refrigeration from the secondary refrigeration supply to form an lng product stream; wherein the secondary refrigeration supply is configured to compress and expand a refrigerant to produce refrigeration, wherein the refrigerant of the secondary refrigeration supply is shared with refrigerant of the first nitrogen refrigeration supply.
L'air Liquide, Societe Anonyme Pour L'etude Et I'exploitation Des Procedes Georges Claude


 Method for the integration of a nitrogen liquefier and liquefaction of natural gas for the production of liquefied natural gas and liquid nitrogen patent thumbnailMethod for the integration of a nitrogen liquefier and liquefaction of natural gas for the production of liquefied natural gas and liquid nitrogen
A method for the integration of a nitrogen liquefier and liquefaction of natural gas for the production of liquefied natural gas and liquid nitrogen is provided. The method may include providing a nitrogen liquefaction unit and providing a natural gas liquefaction unit.
L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude


 Method for the production of liquefied natural gas and liquid nitrogen patent thumbnailMethod for the production of liquefied natural gas and liquid nitrogen
A method for the production of liquefied natural gas and liquid nitrogen is provided. The method may include providing a high pressure natural gas stream, splitting the high pressure natural gas stream into a first portion and a second portion, and liquefying the first portion of the high pressure natural gas stream to produce an lng stream.
L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude


Method for the production of liquefied natural gas

A method for the production of liquefied natural gas is provided. The method may include providing a high pressure natural gas stream, splitting the high pressure natural gas stream into a first portion and a second portion, and liquefying the first portion of the high pressure natural gas stream to produce an lng stream.
L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude

Cryogenic pump for liquefied natural gas

A cryogenic pump for pumping liquefied natural gas (lng) from a cryogenic tank storing lng includes a drive assembly and a pump assembly disposed along a pump axis. The drive assembly includes a spool housing having a plurality of spool valves arranged around the pump axis, a tappet housing having a plurality of tappet bores with slidable tappets arranged around the pump axis, and spring housing including a plurality of movably disposed pushrods urged upward by a plurality of associated pushrod springs.
Caterpillar Inc.

Increasing efficiency in an lng production system by pre-cooling a natural gas feed stream

Described herein are systems and processes to produce liquefied natural gas (lng) using liquefied nitrogen (lin) as the refrigerant. Greenhouse gas contaminants are removed from the lin using a greenhouse gas removal unit.

Liquefied natural gas production system and method with greenhouse gas removal

Described herein are systems and processes to produce liquefied natural gas (lng) using liquefied nitrogen (lin) as the refrigerant. Greenhouse gas contaminants are removed from the lin using a greenhouse gas removal unit..

System and the production of liquefied natural gas

A method for producing liquefied natural gas (lng) is provided. The method may include feeding natural gas from a high-pressure natural gas source to a separator and removing a non-hydrocarbon from the natural gas.
Dresser-rand Company

Systems and methods for the production of liquefied natural gas using liquefied natural gas

Described herein are systems and processes to produce liquefied nitrogen (lin) using liquefied natural gas (lng) as the refrigerant. The lin may be produced by indirect heat exchange of at least one nitrogen gas stream with at least two lng streams within at least one heat exchanger where the lng streams are at different pressures..

Liquefied natural gas filling device

An lng filling apparatus that can safely fill lng in lng vehicles. A filling apparatus 1 for filling lng in an in-vehicle tank, the apparatus 1 having a housing 2, a recovery hose 41 and a filling hose 51 separately led from the housing, a recovery mechanism 4 for recovering a natural gas from the in-vehicle tank via the recovery hose, and a filling mechanism 5 for filling lng to the in-vehicle tank via the filling hose.
Tatsuno Corporation

Systems and methods for using multiple cryogenic hydraulic turbines

There is provided a system and method for producing liquefied natural gas (lng). An exemplary method includes flowing a high-pressure stream of lng through a first series of liquid turbines.

Superconducting power transmission system and cooling method

A superconducting power transmission system that comprises an inner pipe housing a superconducting cable therein, a radiation covering at least a part of the inner pipe from outside; and an outer pipe housing the inner pipe and the radiation shield therein. A vacuum is created in a space from an inside of the outer pipe to an outside of the inner pipe with the radiation shield therebetween.
Jgc Corporation

Hydrocarbon fracturing process

The present invention relates to method for collecting hydrocarbons from a well site for later use. Specifically, the invention aims to use a mixture containing at least some liquefied natural gas (lng) at the wellsite.
U.s. Flare Management

Retractable lng cargo transfer bow manifold for tandem marine cargo transfers

An apparatus, system and method for a retractable lng cargo transfer bow manifold for tandem marine cargo transfers are described herein. A retractable liquefied natural gas (lng) cargo transfer system comprises a marine vessel, an lng cargo transfer bow manifold moveably attached to a main deck of the marl he vessel, wherein the lng cargo transfer bow manifold is slideable between a forward position proximate a bow of the marine vessel, and an aft position aft of the bow, the lng cargo transfer bow manifold elevationally coupled to the main deck by a retractable support member, wherein the retractable support member is moveable between an extended position such that the lng cargo transfer bow manifold is raised above the main deck, and a retracted position such that the lng cargo transfer bow manifold rests on one of the main deck, below the main deck or a combination thereof..
Excelerate Energy Limited Partnership

Boil-off gas treatment system

Disclosed herein is a boil-off gas treatment system. The boil-off gas treatment system includes a compressor compressing boil-off gas generated in an lng storage tank of a ship or a floating structure, a heat exchanger cooling the compressed boil-off gas through heat exchange with boil-off gas to be supplied to the compressor, an expansion unit performing adiabatic expansion of the boil-off gas cooled by the heat exchanger, a gas-liquid separator performing gas/liquid separation of the boil-off gas subjected to adiabatic expansion by the expansion unit and supplying liquefied natural gas to the lng storage tank, and a bypass line through which the boil-off gas subjected to adiabatic expansion is supplied from a downstream side of the expansion unit to a downstream side of the gas-liquid separator..
Daewoo Shipbuilding & Marine Engineering Co., Ltd.

Method for estimating a characteristic of a liquefied natural gas load

A method of estimating a characteristic (qn′, q1′) of a load of liquefied natural gas being transported by a tanker at any point on a route (401, p; 501, 502, 503), the method being characterized in that the estimation is made by integrating, over the route (410, 411, 412, 420; 510, 511, 512) from a reference point (400, p; 500) at which said characteristic is known (qn, ql), a relationship associating the instantaneous transformation of the load with instantaneous navigation conditions.. .
Gdf Suez

Method for conversion of a vessel for use as floating liquefied natural gas facility

A method for conversion of a very large ore carrier (vloc) to an flng vessel for offshore stranded gas reservoirs and at-shore or near-shore liquefied natural gas (lng) export terminals.. .
Bechtel Hydrocarbon Technology Solutions, Inc.

Quench system for a refrigeration cycle of a liquefied natural gas facility and quenching

A quench system for a refrigeration cycle of a liquefied natural gas (lng) facility includes at least one compressor for compressing a refrigerant that cools a natural gas stream. Also included is a quench fluid supply structure containing a quench fluid.
Conocophillips Company

Liquefied gas-driven production system

One illustrative artificial lift method includes deriving compressed natural gas (cng) from liquefied natural gas (lng) and employing the cng to hydraulically drive a downhole pump that forces fluid from the well. An illustrative system embodiment includes an evaporator, a controller, and a downhole pump.
Ctlift Systems Llc

Liquefied natural gas transportation/distribution and vaporization management system

A liquefied natural gas transportation/distribution and vaporization management system includes a transportation/distribution platform, on which at least one gas transportation/distribution section, a vaporization treatment section, and a central management section are arranged. The gas transportation/distribution section allows at least one liquefied natural gas train to unload liquefied natural gas.
Electric Energy Express Corporation

System and the production of liquefied natural gas

A method for producing liquefied natural gas (lng) and separating natural gas liquids (ngls) from the lng is provided. The method may include compressing natural gas to compressed natural gas, removing a non-hydrocarbon from the compressed natural gas, and cooling the compressed natural gas to a cooled, compressed natural gas.
Dresser - Rand Company

Method and device for regulating the pressure in a liquefied natural gas vessel

A method is provided for regulating the pressure in a first vessel, having a substance mixture which is present in liquid and gaseous phases and which has a first component and a second component, wherein, in the method, the temperature of the substance mixture is set such that the pressure in the first vessel lies below a predefinable value and, at the set temperature and the pressure in the first vessel, the substance mixture is present only in the liquid and gaseous phases.. .
Linde Aktiengesellschaft

Liquefied gas-driven gas-lift system

One illustrative artificial lift method includes deriving compressed natural gas (cng) from liquefied natural gas (lng) and injecting the cng into the well as a lift gas that aids in conveying fluid from the well. An illustrative system embodiment includes an evaporator and a controller.
Ctlift Systems Llc

Multiple pump system

A multiple pump system is disclosed. The multiple pump system may include a fluid tank and a multiple pump vessel connected to the fluid tank.
Gp Strategies Corporation

Pressure management system for storage tank containing liquefied natural gas

A pressure management system for a storage tank of liquefied natural gas (lng) is disclosed. The storage tank includes an outlet, an ullage space, and a condenser coil.
Electro-motive Diesel, Inc.

Liquefied natural gas from rich natural gas

Rich natural gas is dried in a water scavenger unit, and then purified in a refluxed absorber. The refluxed stream for the absorber is a stream of predominantly methane condensed by cryogenic refrigeration.

Lng fueling station and lng fueling method using lng tank container

An lng fueling station according to the present invention includes: an installation part on which an lng tank container is installed, and a supply part for supplying liquefied natural gas from the lng tank container installed on the installation part to an object for supply, wherein the lng tank container can be transported and installed while storing the liquefied natural gas, and the lng tank container is transported to the installation part and then installed on the installation part.. .

Cold-rolled narrow strip in the form of flat wire or profiled elements made of a high-strength steel for use in flexible pipes, in particular in flexible pipes for offshore applications, and producing such cold-rolled narrow strips

For the production of armoring plies in flexible pipes for conveying petroleum and natural gas, as well as for transport of liquefied natural gas (flng) under acid gas conditions (acidic attack media). The invention furthermore relates to a method for the production of corresponding flat wires or narrow strips..

Dockside ship-to-ship transfer of lng

Systems and methods for dockside regasification of liquefied natural gas (lng) are described herein. The methods include providing lng from a lng carrier to a regasification vessel.
Excelerate Energy Limited Partnership

System and liquefied natural gas production

A system and method for producing liquefied natural gas from a natural gas source is provided. The method may include feeding natural gas provided by the natural gas source to a liquefaction module.
Dresser-rand Company

Boil-off gas temporary storage system

Provided is a boil-off gas temporary storage system and, more particularly, is a boil-off gas temporary storage system which compresses boil-off gas at high pressure, temporarily stores the compressed boil-off gas in a boil-off gas absorbing tank, supplies the stored boil-off gas to a high-pressure gas transmission part and a high-pressure liquefied natural gas transmission part to recycle the boil-off gas, controls the pressure of a low-pressure liquefied natural gas cargo tank and a fuel liquefied natural gas tank of a ship to be filled with gas, and removes the necessity of a complicated and high-priced re-liquefaction device, in a method for removing the boil-off gas to depressurize the fuel liquefied natural gas tank of a ship to be filled with gas in the relatively high-pressure state before supplying the liquefied natural gas to a ship to be filled with gas.. .
Korea Advanced Institute Of Science And Technology

Systems and methods for natural gas liquefaction capacity augmentation

Systems and methods for natural gas liquefaction capacity augmentation using supplemental cooling systems and methods to improve the efficiency of a liquefaction cycle for producing liquefied natural gas (lng).. .

Fuel gas supply system and ship

Disclosed herein is arrangement of a fuel gas tank in a fuel gas supply system that supplies liquefied natural gas to an engine. In accordance with one aspect of the invention, a fuel gas supply system of a ship includes an engine generating driving force using fuel gas; and a fuel gas tank storing the fuel gas to be supplied to the engine, wherein the engine is disposed in an engine room placed at the stern of the ship and the fuel gas tank is disposed above the engine room..

System for evaporating liquefied natural gas (lng)

A system for evaporating liquefied natural gas (lng) in a vehicle having an engine which is powered by natural gas, the system including an evaporator for the lng, and the system including a heat engine for recovering the thermal energy from the exhaust gas of the vehicle, the heat engine including a condenser for condensing a coolant, this condenser being in operative connection with the evaporator for the lng for the purpose of exchanging heat.. .
Robert Bosch Gmbh

Method and device for replenishing a supply of cryogenic liquid, notably of liquefied natural gas

A method for replenishing the supply of cryogenic liquid from a storage tank (2) includes: pressurizing a container (14) with cryogenic gas at a first pressure, said container having passing through it a first cryogenic fluid flow line referred to as the cold line and a second cryogenic fluid flow line referred to as the hot line, passing cryogenic liquid at a second pressure through the cold line (12), and supplying the container (14) with cryogenic gas at least partially from cryogenic liquid pumped from the storage tank (2) and vaporized. A device is also provided for the method hereinabove..
Cryostar Sas

Method and system for treating and liquefying natural gas

A method for liquefying natural gas comprises: condensing at least a portion of a natural gas feed stream to produce a partially condensed stream; and separating the partially condensed stream into a first liquid fraction and a first vapour fraction; wherein the first liquid fraction comprises liquefied natural gas.. .
Propak Systems Ltd.

Natural gas vehicle maintenance separation and containment system

A separation and containment system is provided. The separation and containment system can contain natural gasses, e.g., compressed natural gas (cng) and liquefied natural gas (lng), within a natural gas vehicle (ngv) service area, and separate the ngv service area from a conventional service area.
Clean Energy Fuels Corp.

Dual mixed refrigerant system

Processes and systems are provided for recovering a liquefied natural gas (lng) stream from a hydrocarbon-containing feed gas stream using dual closed-loop mixed refrigerant cycles. In particular, the processes and systems described herein can be used to efficiently and effectively liquefy methane from a hydrocarbon-containing feed gas stream with the use of a first refrigeration system and a second refrigeration system utilizing a first mixed refrigerant and a second mixed refrigerant.
Black & Veatch Holding Company

Dual mixed refrigerant system

Processes and systems are provided for recovering a liquefied natural gas (lng) stream from a hydrocarbon-containing feed gas stream using dual closed-loop mixed refrigerant cycles. In particular, the processes and systems described herein can be used to efficiently and effectively liquefy methane from a hydrocarbon-containing feed gas stream by utilizing a first refrigeration system and a second refrigeration system in fluid communication with a turboexpander and separator..
Black & Veatch Holding Company

Dual mixed refrigerant system

Processes and systems are provided for recovering a liquefied natural gas (lng) stream from a hydrocarbon-containing feed gas stream using dual closed-loop mixed refrigerant cycles. In particular, the processes and systems described herein can be used to efficiently and effectively liquefy methane from a hydrocarbon-containing feed gas stream with the use of a first refrigeration system and a second refrigeration system utilizing a first mixed refrigerant and a second mixed refrigerant..
Black & Veatch Holding Company

Remote natural gas supply station using lng tank container and supplying natural gas using the same

A natural gas supply station according to the present invention includes an installation structure on which an lng tank container is installed and a gas vaporizer that receives a liquefied natural gas from the lng tank container to vaporize the liquefied natural gas. Here, the installation structure includes a moving part reciprocatively moving in a direction in which the lng tank container is unloaded from a transport unit, and the moving part is separably fixed to the lng tank container to move the lng tank container loaded on the transport unit to the installation structure or the lng tank container loaded on the installation structure to the transport unit..
Korea Gas Corporation

System for supplying liquefied natural gas fuel

A system for supplying fuel includes a fuel supplying line connected from a fuel storage tank to an engine and including a pressure measuring sensor, a pump provided on the fuel supplying line and configured to pressurize fuel outputted from the fuel storage tank, a heat exchanger provided on the fuel supplying line between the pump and the engine and configured to heat the fuel outputted from the pump, a first return line provided at a front end of the heat exchanger on the fuel supplying line and configured to return the fuel from the fuel supplying line, and a second return line provided at a rear end of the heat exchanger on the fuel supplying line and configured to return the fuel from the fuel supplying line.. .
Hyundai Heavy Industries Co., Ltd.

Apparatus and transferring inflammable material on marine structure

A system for supplying fuel to an engine of a ship. The system includes a high pressure pump pressurizing a liquefied natural gas (lng) and supplying the pressurized lng to the engine, a hydraulic motor driving the high pressure pump and a chamber carrying the high pressure pump and the hydraulic motor.
Daewoo Shipbuilding & Marine Engineering Co., Ltd.

Flexible liquefied natural gas plant

The present techniques are directed to a flexible liquefied natural gas (lng) plant that may be tied to an external electric grid for importing or exporting electric power. Exemplary embodiments provide a method for producing lng that includes producing a base load capacity of refrigeration capacity for lng production from a first compression system.





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This listing is a sample listing of patent applications related to Liquefied Natural Gas for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Liquefied Natural Gas with additional patents listed. Browse our RSS directory or Search for other possible listings.


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