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US20120204598 INTEGRATED WASTE HEAT RECOVERY IN LIQUEFIED NATURAL GAS FACILITY  
The present invention relates to a process and apparatus for liquefying natural gas. In another aspect the present invention relates to the heat recovery from a turbine in a liquefied natural gas...
US20100300144 Liquefied Gas Expander And Integrated Joule-Thomson Valve  
A cryogenic turbine expander system which consists essentially of a cryogenic liquid pressure vessel, and the vessel further accommodating a turbine expander, an internal bypass configuration,...
US20150013379 LNG Formation  
Systems and a method for the formation of a liquefied natural gas (LNG) are disclosed herein. The system includes a refrigeration system configured to chill a natural gas using a refrigerant...
US20110011127 Process for Controlling Liquefied Natural Gas Heating Value  
Process for efficiently operating a natural gas liquefaction system with integrated heavies removal/natural gas liquids recovery to produce liquefied natural gas (LNG) and/or natural gas liquids...
US20090249828 LNG SYSTEM WITH ENHANCED PRE-COOLING CYCLE  
A natural gas liquefaction system employing a high pressure pre-cooling refrigeration cycle. The natural gas liquefaction system can be advantageously employed in cold weather regions and/or in...
US20120047943 Process for Natural Gas Liquefaction  
A natural gas liquefaction process suited for offshore liquefaction of natural gas produced in association with oil production is described.
US20140283549 Method of Gas Expansion Using Liquefied Gas Expander and Integrated Joule-Thomson Valve  
A cryogenic turbine expander system which consists essentially of a cryogenic liquid pressure vessel, and the vessel further accommodating a turbine expander, an internal bypass configuration,...
US20140157824 METHOD FOR IMPROVED THERMAL PERFORMING REFRIGERATION CYCLE  
An improved refrigeration cycle is provided. The cycle provides for improved thermal performance by incorporating a refrigerant makeup tank that introduces liquid refrigerant with expanded...
US20110259045 Power Matched Mixed Refrigerant Compression Circuit  
A refrigerant compressor circuit for use in a liquefaction plant includes a first compression string driven by a first driver; a second compression string driven by a second driver, a pre-cooling...
US20140305160 SYSTEM AND PROCESS FOR NATURAL GAS LIQUEFACTION  
Embodiments of the present invention provide a process for liquefaction of a natural gas. The process includes cooling the natural gas with a first refrigerant provided by a first cooling system...
US20150143843 INTEGRATION OF A SMALL SCALE LIQUEFACTION UNIT WITH AN LNG PLANT TO CONVERT END FLASH GAS AND BOIL-OFF GAS TO INCREMENTAL LNG.  
Disclosed is a method of retrofitting a full-scale LNG plant to enhance the LNG production capacity of the LNG plant and a method for operating such a retrofit plant. A small scale LNG plant...
US20120090350 Configurations and Methods of Heating Value Control in LNG Liquefaction Plant  
NGL recovery from natural gas is achieved by processing the natural gas in a scrub column that operates at high pressure. A C3+ depleted vapor stream is generated from the vapor portion of...
US20120137726 NGL Recovery from Natural Gas Using a Mixed Refrigerant  
An NGL recovery facility utilizing a single, closed-loop mixed refrigerant cycle for recovering a substantial portion of the C2 and heavier or C3 and heavier NGL components from the incoming gas...
US20110113825 DUAL NITROGEN EXPANSION PROCESS  
A method of natural gas liquefaction comprising first and second nitrogen refrigerant streams, each stream under-going a cycle of compression, cooling, expansion and heating, during which the...
US20130340475 NATURAL GAS LIQUEFACTION EMPLOYING INDEPENDENT REFRIGERANT PATH  
A method of liquefying natural gas. The method comprises cooling a gaseous natural gas process stream with a refrigerant flowing in a path isolated from the natural gas process stream. The...
US20100024475 Natural Gas Liquefaction System with Turbine Expander and Liquefaction Method Thereof  
A natural gas liquefaction system with a turbine expander is provided that can improve the efficiency of the whole refrigeration cycle by using the turbine expander, instead of the throttling...
US20120167619 METHOD TO MAXIMIZE LNG PLANT CAPACITY IN ALL SEASONS  
As described herein, a method and system for operating a liquefied natural gas (LNG) plant are provided. The method and system also provide for domestic natural gas production. In the present...
US20130061633 CONFIGURATIONS AND METHODS OF INTEGRATED NGL RECOVERY AND LNG LIQUEFACTION  
Contemplated plants include a NGL recovery portion and a LNG liquefaction portion, wherein the NGL recovery portion provides a low-temperature and high-pressure overhead product directly to the...
US20120036888 METHOD AND SYSTEM FOR THE SMALL-SCALE PRODUCTION OF LIQUIFIED NATURAL GAS (LNG) AND COLD COMPRESSED GAS (CCNG) FROM LOW-PRESSURE NATURAL GAS  
A system for the production of LNG from low-pressure feed gas sources, at small production scales and at lower energy input costs. A system for the small-scale production of cold compressed...
US20080256976 SEMI-CLOSED LOOP LNG PROCESS  
A semi-closed loop system for producing liquefied natural gas (LNG) that combines certain advantages of closed-loop systems with certain advantages of open-loop systems to provide a more efficient...
US20140245780 MULTI NITROGEN EXPANSION PROCESS FOR LNG PRODUCTION  
A method of natural gas liquefaction includes at least two nitrogen refrigerant streams. Each stream undergoes a cycle of compression, cooling, expansion and heating, during which each of the...
US20050279132 LNG system with enhanced turboexpander configuration  
Natural gas liquefaction system employing a turboexpander to convert excess pressure within a predominantly methane stream into work useable in another location within the liquefaction system....
US20130192297 CONFIGURATIONS AND METHODS FOR SMALL SCALE LNG PRODUCTION  
A small scale natural gas liquefaction plant is integrated with an LNG loading facility in which natural gas is liquefied using a multi-stage gas expansion cycle. LNG is then loaded onto an LNG...
US20100275644 NATURAL GAS LIQUEFACTION PLANT AND MOTIVE POWER SUPPLY EQUIPMENT FOR SAME  
A power supply equipment (71) for natural gas liquefaction plant that supplies power to a natural gas liquefaction plant for liquefying the natural gas having impurities separated by a natural gas...
US20100139316 Operating System of Liquefied Natural Gas Ship for Subcooling and Liquefying Boil-Off Gas  
An operating system of a liquefied natural gas ship for performing sub-cooled liquefaction of boil-off gas includes a boil-off gas compressor, a cryogenic heat exchanger connected to a...
US20150219392 METHOD OF PRODUCING AND DISTRIBUTING LIQUID NATURAL GAS  
A method for producing liquid natural gas (LNG) includes the following steps. Compressor stations forming part of existing natural-gas distribution network are identified. Compressor stations that...
US20110094263 METHODS OF NATURAL GAS LIQUEFACTION AND NATURAL GAS LIQUEFACTION PLANTS UTILIZING MULTIPLE AND VARYING GAS STREAMS  
A method of natural gas liquefaction may include cooling a gaseous NG process stream to form a liquid NG process stream. The method may further include directing the first tail gas stream out of a...
US20090277217 ENHANCED NITROGEN REMOVAL IN AN LNG FACILITY  
An LNG facility employing an enhanced nitrogen removal system that concentrates the amount of nitrogen in the feed stream to a nitrogen removal unit (NRU) to thereby increase the separation...
US20090120127 METHOD FOR PRODUCING LIQUEFIED NATURAL GAS  
A method for liquefying natural gas using the pressure energy of the natural gas is provided, wherein flash vapor from natural gas depressurization is employed in a refrigeration cycle for...
US20070012072 LNG FACILITY WITH INTEGRATED NGL EXTRACTION TECHNOLOGY FOR ENHANCED NGL RECOVERY AND PRODUCT FLEXIBILITY  
Process for efficiently operating a natural gas liquefaction system with integrated heavies removal/natural gas liquids recovery to produce liquefied natural gas (LNG) and/or natural gas liquids...
US20080098770 INTERMEDIATE PRESSURE LNG REFLUXED NGL RECOVERY PROCESS  
Liquefied natural gas (LNG) facility employing an intermediate pressure distillation column for recovery of ethane and heavier components from the processed natural gas stream in a way that...
US20140318178 METHOD AND APPARATUS FOR THE LIQUEFACTION OF NATURAL GAS  
A method for the liquefaction of natural gas, comprising: taking unpurified natural gas from a gas well; pre-treating the gas for removing impurities; performing a first compression stage;...
US20090095020 Liquefaction of Associated Gas at Moderate Conditions  
A method is proposed for converting a portion of associated gas generated during crude oil production into a liquid form which permits the transport of a large amount of methane at moderate...
US20090025422 Controlling Liquefaction of Natural Gas  
A gas liquefaction process, especially for producing LNG, maintains product flow rate and temperature by controlling the refrigeration so that variation to reduce any difference between actual and...
US20120167618 USE OF REFRIGERATION LOOPS TO CHILL INLET AIR TO GAS TURBINE  
As described herein, a method and system for operating a refrigeration system are provided. In the present methods and systems, a portion of the refrigerant from the refrigeration system is used...
US20140102133 METHOD OF COOLING BOIL OFF GAS AND AN APPARATUS THEREFOR  
The disclosure relates to a method and apparatus for cooling, preferably liquefying a boil off gas (BOG) stream from a liquefied cargo in a floating transportation vessel, said liquefied cargo...
US20120266630 METHOD FOR FRACTIONATING A STREAM OF CRACKED GAS TO OBTAIN AN ETHYLENE-RICH CUT AND A STREAM OF FUEL, AND RELATED INSTALLATION  
This method includes introducing a downstream stream (140) of cracked gas from a downstream heat exchanger (58) in a downstream separator (60) and recovering, at the head of the downstream...
US20080115529 LIQUEFIED NATURAL GAS PLANT WITH ENHANCED OPERATING FLEXIBILITY  
A method of increasing the production rate and operational flexibility of an LNG facility by overfiring one or more modular gas turbines employed to drive one or more refrigerant compressors in...
US20120067080 Mixed Refrigerant Compression Circuit  
A refrigerant circuit includes a first compression stage for compressing a mixed refrigerant gas, the first compression stage including at least a first compressor body and a second parallel...
US20080190135 Configurations and Methods For Lpg Production and Power Cogeneration  
An LNG plant is configured to receive rich LNG and to produce LPG, lean LNG, and power using at least one fractionation column, wherein the fractionation portion of the plant can be optionally...
US20100000253 METHOD AND APPARATUS FOR THE RELIQUEFACTION OF A VAPOUR  
Boiled off liquefied natural gas flows from a storage tank and is compressed in vapour compression stages. The resulting compressed vapour is condensed in a condenser and the condensate returned...
US20110226009 PROCESS FOR PRODUCING LIQUID AND GASEOUS NITROGEN STREAMS, A GASEOUS STREAM WHICH IS RICH IN HELIUM AND A DENITRIDED STREAM OF HYDROCARBONS AND ASSOCIATED INSTALLATION  
This process includes the cooling of an introduction stream (72) inside an upstream heat exchanger (28). It includes the introduction of the cooled introduction stream (76) into a fractionating...
US20090031755 Natural gas liquefaction process to extend lifetime of gas wells  
A variable speed liquid LNG expander (X1) and a variable speed two-phase LNG expander (X2) in line, downstream from X1. The rotational speed of both expanders can be controlled and changed...
US20120131950 Arrangement for Liquefying Natural Gas and Method for Starting Said Arrangement  
An arrangement for liquefying natural gas is provided. The arrangement includes a gas turbine unit that includes a gas turbine compressor, a steam turbine unit, a first compressor unit, a...
US20090095018 METHOD FOR LIQUEFYING A HYDROCARBON STREAM  
A hydrocarbon stream is liquefied in a method wherein a feed stream is provided, from which feed stream a first stream and a second stream are produced. The first stream is liquefied in a main...
US20130269386 Natural Gas Liquefaction With Feed Water Removal  
A method and apparatus for drying and liquefying a natural gas stream is described, in which: (a) the water containing natural gas feed stream is cooled; (b) the cooled natural gas feed stream is...
US20090217701 Natural Gas Liquefaction Process for Ling  
Embodiments of this invention relate to a process for liquefaction of natural gas and other methane-rich gas streams, and more particularly to a process for producing liquefied natural gas (LNG)....
US20090100844 Apparatus and method for controlling temperature in a boil-off gas  
An apparatus and method for controlling temperature in a boil-off gas in a liquefaction plant prior to compression, wherein boil-off gas originating from an LNG storage tank is compressed and at...
US20080184735 REFRIGERANT STORAGE IN LNG PRODUCTION  
A refrigerant tank (40) holds a hydrocarbon refrigerant (42) used by refrigeration equipment (14) to cool natural gas to about −163° C. to produce LNG (liquefied natural gas) (45). The refrigerant...
US20050210915 Method for liquefying a flow rich in hydrocarbons  
A process is described for liquefaction of a hydrocarbon-rich stream, especially a natural gas stream, at least indirect heat exchange taking place between the hydrocarbon-rich stream to be...

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