Matches 1 - 50 out of 73 1 2 >
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7614241 Equipment and process for liquefaction of LNG boiloff gas  
A design for equipment and process for reliquefaction of LNG boiloff gas, primarily for shipboard installation, has high thermodynamic efficiency and lower capital cost, smaller size (volume,...
7594414 Apparatus for the liquefaction of natural gas and methods relating to same  
An apparatus and method for producing liquefied natural gas. A liquefaction plant may be coupled to a source of unpurified natural gas, such as a natural gas pipeline at a pressure letdown station....
7591149 LNG system with enhanced refrigeration efficiency  
Cascade-type natural gas liquefaction methods and apparatus are provided, having enhanced thermodynamic efficiencies, through the use of added refrigeration levels in one or both of the ethylene...
7581411 Equipment and process for liquefaction of LNG boiloff gas  
A design for equipment and process for reliquefaction of LNG boiloff gas, primarily for shipboard installation, has high thermodynamic efficiency and lower capital cost, smaller size (volume,...
7578138 Heat exchanger optimization process and apparatus  
An electronic HEMD determines the optimum balance between gas cooling and heat exchanger pressure loss, for any given operating condition, and adjusts the gas flow rate through the exchanger...
7568363 Treating of a crude containing natural gas  
A process for treating a crude containing natural gas comprising supplying the crude to a stabilization unit to obtain a gaseous stream and crude oil; supplying a compressed, gaseous stream at a...
7552598 Process for sub-cooling an LNG stream obtained by cooling by means of a first refrigeration cycle, and associated installation  
In this process, the LNG stream is sub-cooled with a refrigerating fluid in a first heat exchanger. This refrigerating fluid undergoes a closed second refrigeration cycle which is independent of...
7540171 Cryogenic liquefying/refrigerating method and system  
Cryogenic liquefying/refrigerating method and system, wherein temperature of gas-to-be-liquefied at the inlet of the compressor for compressing the gas is reduced by cooling the gas discharged from...
7526926 Method for efficient nonsynchronous LNG production  
A drive system for a refrigeration compressor such as is used in a natural gas liquefaction plant, allowing the desired compressor speed and maximum turbine efficiency to be maintained throughout...
7517391 Method of bulk transport and storage of gas in a liquid medium  
An integrated ship mounted system for loading a gas stream, separating heavier hydrocarbons, compressing the gas, cooling the gas, mixing the gas with a desiccant, blending it with a liquid carrier...
7469556 Natural gas liquefaction system  
A method for producing liquefied natural gas wherein high pressure liquid natural gas is subcooled and then flashed to form flash vapor and liquefied natural gas product, and the flash vapor is...
7461520 Gas liquefaction plant  
A gas liquefaction plant includes a pre-cooling exchanger which pre-cools a feed gas by means of indirect heat exchange with a first refrigerant; a first refrigerant compressor which compresses the...
7451618 Process for liquefying natural gas and producing hydrocarbons  
A process for the preparation of liquid hydrocarbons from a light hydrocarbonaceous feedstock in combination with a process for liquefying natural gas, which liquefaction process involves the steps...
7415840 Optimized LNG system with liquid expander  
A process and apparatus for the liquefaction of natural gas including at least one liquid expander for providing expansion of a high-pressure stream and powering a generator capable of producing...
7388303 Stand-alone electrical system for large motor loads  
An electrical power system that can be used to interconnect a plurality of generators to a plurality to loads while being rated at less than a total power consumed. The system is preferably used to...
7332145 Process and installation for the treatment of DSO  
Disclosed is a process for the treatment of gas containing mercaptans and acid gases, including the following steps: (1) separating the acid gases from the said gas and obtaining a sweetened gas...
7310971 LNG system employing optimized heat exchangers to provide liquid reflux stream  
An improved apparatus and method for providing reflux to a refluxed heavies removal column of a LNG facility. The apparatus comprises stacked vertical core-in-kettle heat exchangers and an...
7237407 Process and plant for the simultaneous production of an liquefiable natural gas and a cut of natural gas liquids  
This process includes the following steps: (a) the feed natural gas ( 101 ) is introduced into a first distillation column ( 31 ) which produces, as top product, a pretreated natural gas (...
RE39637 Hybrid cycle for the production of liquefied natural gas  
Refrigeration process for gas liquefaction which utilizes one or more vaporizing refrigerant cycles to provide refrigeration below about −40° C. and a gas expander cycle to provide refrigeration...
7178351 Heat exchanger optimization process and apparatus  
An electronic HEMD determines the optimum balance between gas cooling and heat exchanger pressure loss, for any given operating condition, and adjusts the gas flow rate through the exchanger...
7168265 Integrated processing of natural gas into liquid products  
An integrated process for producing LNG and GTL products is provided, wherein a CO 2 -containing natural gas feed to an LNG production zone is first pre-treated to separate at least a portion of...
7143606 Combined air separation natural gas liquefaction plant  
In an integrated process and apparatus for the separation of air by cryogenic distillation and liquefaction of natural gas in which at least part of the refrigeration required to liquefy the...
7134296 Method for providing cooling for gas liquefaction  
A method for generating refrigeration for cooling a product gas wherein a first or working gas undergoes a staged expansion to a first temperature and a subsequent turboexpansion to a second higher...
7114351 All electric LNG system and process  
A reduced carbon dioxide emissions system and method for providing power for refrigerant compression and shared electrical power for a light hydrocarbon gas liquefaction process.
7096688 Liquefaction method comprising at least a coolant mixture using both ethane and ethylene  
The invention concerns a method comprising: (a) a first step whereby natural gas ( 1 ) is subjected to a first refrigerating cycle to obtain cooled natural gas ( 4 ), and brought to a temperature...
7071236 Natural gas liquefaction and conversion method  
The natural gas flowing in through line 1 is cooled, then expanded in turbine T 1 . The liquid at the bottom of drum D 2 is the liquefied natural gas. The gas at the top of drum D 2 is...
7047764 Modular LNG process  
Disclosed are methods for efficiently and economically designing, constructing, or operating a light hydrocarbon gas liquefaction process for the liquefaction of selected quantities of light...
7000427 Process for cooling a product in a heat exchanger employing microchannels  
This invention relates to a process for cooling or liquefying a fluid product (e.g., natural gas) in a heat exchanger, the process comprising: flowing a fluid refrigerant through a set of...
6964180 Method and system for loading pressurized compressed natural gas on a floating vessel  
The method for loading pressurized compressed natural gas into a storage element on a floating vessel entails introducing compressed natural gas from a source into a storage element located on the...
6915661 Integrated air separation process and apparatus  
In a process for separating air in a system comprising a gas turbine, including a compressor ( 1 ), a combustor ( 5 ) and an expander ( 17 ), said expander being coupled to the compressor, a...
6889522 LNG floating production, storage, and offloading scheme  
A process and apparatus for exploitation and liquefaction of natural gas in offshore stranded gas reserves. Two ordinary nautical vessels are used to produce, store and unload LPG and LNG. Typical...
6793712 Heat integration system for natural gas liquefaction  
A pretreatment system for natural gas liquefaction employing heat integration for more efficient and effective natural gas temperature control. The pretreatment system expands the natural gas prior...
6786063 Gas condenser  
Gas condenser ( 2 ) arranged to condense gas/vapour ( 4 ) evaporating from a volatile liquid ( 6 ) being stored, for example, in a storage tank. The gas/vapour ( 4 ) is conducted into a gas chamber...
6782714 Plant and method for producing liquefied natural gas  
A plant for producing liquefied natural gas comprises a carbon dioxide recovery apparatus for natural gas absorbing and removing carbon dioxide from natural gas, a liquefying apparatus having a...
6743829 Integrated processing of natural gas into liquid products  
An integrated process for producing LNG and GTL products is provided comprising cooling natural gas in at least one cooling step so as to provide a cooled natural gas stream; processing the cooled...
6735979 Process for pretreating a natural gas containing acid gases  
A process for pretreating a very acid natural gas containing a substantial amount of hydrogen sulfide (H 2 S), possibly combined with carbon dioxide (CO 2 ), includes at least a stage wherein the...
6694774 Gas liquefaction method using natural gas and mixed gas refrigeration  
A gas liquefaction method which uses the pressure energy of a natural gas processing system to generate refrigeration for high temperature cooling of a gas, and uses a mixed gas refrigerant fluid...
6658890 Enhanced methane flash system for natural gas liquefaction  
Natural gas liquefaction system employing an open methane cycle wherein the liquefied natural gas is flashed immediately upstream of the liquefied natural gas storage tank and boil off vapors from...
6640586 Motor driven compressor system for natural gas liquefaction  
Natural gas liquefaction system employing electric motors as compressor drivers. A combination of motors and steam turbines can be powered by a cogeneration plant and employed as drivers.
6530240 Control method for mixed refrigerant based natural gas liquefier  
In a natural gas liquefaction system having a refrigerant storage circuit, a refrigerant circulation circuit in fluid communication with the refrigerant storage circuit, and a natural gas...
6510706 Process for NGL recovery from pressurized liquid natural gas  
A process for removing hydrocarbons less volatile than methane from a pressurized liquid natural gas (PLNG). PLNG is heated in a heat exchanger, thereby vaporizing at least a portion of the PLNG....
6412302 LNG production using dual independent expander refrigeration cycles  
A process for producing a liquified natural gas stream that includes cooling at least a portion of a pressurized natural gas feed stream by heat exchange contact with first and second expanded...
6333445 Cryogenic separation process for the recovery of components from the products of a dehydrogenation reactor  
The olefin-hydrogen effluent vapor stream from a dehydrogenation process is separated by a cryogenic separation method utilizing a cryogenic separation system. The method does not require external...
6269656 Method and apparatus for producing liquified natural gas  
Both a method and apparatus for producing liquified natural gas (LNG) at a well head or other source where cool high pressure natural gas is provided. The natural gas flow from the source is...
6257017 Process for producing a displacement gas to unload pressurized liquefied gas from containers  
A process is disclosed for producing a displacement gas to be used in displacing a pressurized liquefied gas from one or more containers. A portion of the liquefied gas to be displaced is further...
6158240 Conversion of normally gaseous material to liquefied product  
The inventive process and associated apparatus are ideally suited for the small-scale liquefaction of natural gas. The current invention provides a methodology and apparatus for the liquefaction of...
6155077 Method for condensation of a gas  
A method for condensation of a gas with several fractions such as a gas from the tank compartment in an oil tanker during loading. The gas is supplied to a first heat exchanger and cooled therein...
5791160 Method and apparatus for regulatory control of production and temperature in a mixed refrigerant liquefied natural gas facility  
A control system for a process of liquefied natural gas production (LNG) from natural gas using a heat exchanger and a closed loop refrigeration cycle employs independent, direct control of both...
5765395 Process and apparatus for recovering vapor  
A process and apparatus are provided for recovering volatile liquid vapors from an air-volatile liquid vapor mixture. The process includes: (1) cooling the mixture to condense volatile liquid...
5732571 Method to reduce flue gas in incineration processes  
The invention relates to a method to reduce flue gas in incineration processes that are carried out with an oxidizing incineration gas consisting of a flue gas that is returned to the circulation...
Matches 1 - 50 out of 73 1 2 >