|
Match
|
Document |
Document Title |
|
|
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,...
|
|
|
7600395 |
LNG system employing refluxed heavies removal column with overhead condensing
A process and apparatus for the liquefaction of natural gas including an improved heavy hydrocarbon removal column with overhead condensing and refluxing. Particularly, a methane-rich stream...
|
|
|
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...
|
|
|
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...
|
|
|
7478540 |
Methods of freezeout prevention and temperature control for very low temperature mixed refrigerant systems
Refrigerant freezeout is prevented, and temperature is controlled, by the use of a controlled bypass flow that causes a warming of the lowest temperature refrigerant in a refrigeration system that...
|
|
|
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...
|
|
|
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...
|
|
|
7404300 |
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...
|
|
|
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...
|
|
|
7386996 |
Natural gas liquefaction process
The invention relates to a natural gas liquefaction process and particularly to one suited to use offshore. The invention provides a natural gas liquefaction apparatus wherein a carbon dioxide...
|
|
|
7308805 |
Integrated multiple-loop refrigeration process for gas liquefaction
Method gas liquefaction which comprises cooling a feed gas stream successively through at least two heat exchange zones, wherein cooling is provided by respective vaporizing refrigerants, and...
|
|
|
7278281 |
Method and apparatus for reducing C2 and C3 at LNG receiving terminals
A liquefied natural gas (LNG) receiving terminal is provided, including an extraction column adapted and configured to separate a C 1 component from other components in a LNG stream into a C 1 ...
|
|
|
7266976 |
Vertical heat exchanger configuration for LNG facility
LNG facility employing one or more vertical core-in-kettle heat exchangers to cool natural gas via indirect heat exchange with a refrigerant. The vertical core-in-kettle heat exchangers save plot...
|
|
|
7266975 |
Process of Liquefying a gaseous, methane-rich feed to obtain liquefied natural gas
A process of liquefying a gaseous, methane-rich feed to a liquefied product is provided that includes adjusting the composition and the amount of refrigerant and controlling the liquefaction...
|
|
|
7251956 |
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...
|
|
|
7243510 |
Reduced carbon dioxide emission system and method for providing power for refrigerant compression and electrical power for a light hydrocarbon gas liquefaction process
A reduced carbon dioxide emission system and method for providing power for refrigerant compression and shared electrical power for a light hydrocarbon gas liquefaction process.
|
|
|
7234321 |
Method for liquefying methane-rich gas
A method for liquefying methane-rich gas in the form of a feed gas comprising the steps of cooling the gas and partially liquefying the gas by expansion within an expansion device. The pressure of...
|
|
|
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...
|
|
|
7213413 |
Noninvasive measurement and control system for use in hydrocarbon processing
Raman spectrometers are employed in a hydrocarbon processing plant for online measurement of at least one compositional property of a hydrocarbon stream. The Raman spectrometers can be used to...
|
|
|
7207191 |
Cryogenic refrigerator
A cryogenic refrigerator includes a pressure feeding device, a refrigeration device, a high pressure passage, a low pressure passage, and at least one heat exchanger at the high pressure passage...
|
|
|
7152428 |
Refrigeration system
A refrigeration process is disclosed that employs a mixed refrigerant to chill a process gas stream in which a second stream is cooled against rewarming vaporized mixed refrigerant at low pressure...
|
|
|
7127914 |
Hybrid gas liquefaction cycle with multiple expanders
Method for gas liquefaction comprising cooling a feed gas by a first refrigeration system in a first heat exchange zone and withdrawing a substantially liquefied stream therefrom, further cooling...
|
|
|
7100399 |
Enhanced operation of LNG facility equipped with refluxed heavies removal column
Improved methodology for starting up a LNG facility employing a refluxed heavies removal column. The improved methodology involves varying the temperature of the feed to the heavies removal column...
|
|
|
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...
|
|
|
7059144 |
Methods of freezeout prevention for very low temperature mixed refrigerant systems
Refrigerant freezeout is prevented by the use of a controlled bypass flow that causes a warming of the lowest temperature refrigerant in a refrigeration system that achieves very low temperatures...
|
|
|
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...
|
|
|
6962060 |
Refrigeration compression system with multiple inlet streams
Compressor system comprising (a) a first compressor having a first stage and a second stage wherein the first stage of the first compressor is adapted to compress a first gas and the second stage...
|
|
|
6925837 |
Enhanced operation of LNG facility equipped with refluxed heavies removal column
Improved methodology for starting up a LNG facility employing a refluxed heavies removal column. The improved methodology involves varying the temperature of the feed to the heavies removal column...
|
|
|
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...
|
|
|
6789394 |
Controlling the production of a liquefied natural gas product system
Controlling the production of a liquefied natural gas comprising measuring the temperature and the flow rate of the liquefied natural gas; maintaining the flow rate of the heavy mixed refrigerant...
|
|
|
6763680 |
Liquefaction of natural gas with natural gas recycling
Natural gas liquefaction method wherein the natural gas is cooled, condensed and subcooled by indirect heat exchange with two cooling mixtures to a temperature such that the natural gas does not...
|
|
|
6751984 |
Method and device for small scale liquefaction of a product gas
Method and process plant for liquefaction of gas, particularly natural gas with multicomponent refrigerant, suited for small and medium sized scale, where the plant solely is based on conventional...
|
|
|
6722157 |
Non-volatile natural gas liquefaction system
A system for liquefying natural gas by cooling the natural gas stream in a first refrigeration cycle employing a non-volatile refrigerant, such as carbon dioxide, and subsequently cooling the...
|
|
|
6705113 |
Olefin plant refrigeration system
The refrigeration system for an ethylene plant comprises a closed loop tertiary refrigerant system containing methane, ethylene and propylene. The tertiary refrigerant from a compressor final...
|
|
|
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...
|
|
|
6691531 |
Driver and compressor system for natural gas liquefaction
Natural gas liquefaction system having an optimum configuration of mechanical drivers and compressors. A heat recovery system can be employed with the liquefaction system to enhance thermal...
|
|
|
6658891 |
Offshore plant for liquefying natural gas
Plant for liquefying natural gas comprising a main heat exchanger in which the natural gas is liquefied by means of indirect heat exchange with evaporating refrigerant, and a refrigerant circuit in...
|
|
|
6644067 |
Discontinuous cryogenic mixed gas refrigeration system and method
A closed circuit refrigeration system of successive coalescent/depth filters provides the almost total removal of liquid refrigerants from a refrigeration gas stream. The liquid refrigerant so...
|
|
|
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.
|
|
|
6631626 |
Natural gas liquefaction with improved nitrogen removal
Natural gas liquefaction system employing a zeolite adsorbent for removing nitrogen from pretreated natural gas.
|
|
|
6622518 |
Cryogenic refrigerating system
The present invention provides a cryogenic refrigerating system for achieving ultra low temperature by sequentially obtaining low temperature through repetition of expansion and evaporation of a...
|
|
|
6595009 |
Method for providing refrigeration using two circuits with differing multicomponent refrigerants
A method for providing refrigeration wherein a first multicomponent refrigerant is condensed to form a saturated liquid and vaporized against a condensing second multicomponent refrigerant which...
|
|
|
6513338 |
Refrigerant mixture for a mixture-throttling process
A refrigerant mixture for a mixture throttle process contains from 0.06 mol/mol to 0.20 mol/mol propane, from 0.26 mol/mol to 0.36 mol/mol nitrogen and from 0.20 mol/mol to 0.38 mol/mol methane,...
|
|
|
6449981 |
Air passage controlling system for air conditioning apparatus
An air passage controlling system for selecting an air outlet mode of an air conditioning apparatus includes a driving shaft, an intermediate shaft, a driven shaft and a film door disposed between...
|
|
|
6446465 |
Liquefaction process and apparatus
Apparatus for liquefying natural gas, comprising a series of heat exchangers for cooling the natural gas in countercurrent heat exchange relationship with a refrigerant, compression means for...
|
|
|
6389844 |
Plant for liquefying natural gas
Plant for liquefying natural gas comprising one pre-cooling heat exchanger ( 2 ) having an inlet ( 13 ) for natural gas and an outlet ( 14 ) for cooled natural gas, a pre-cooling refrigerant...
|
|
|
6347532 |
Gas liquefaction process with partial condensation of mixed refrigerant at intermediate temperatures
Method of producing liquefied natural gas (LNG) whereby refrigeration for cooling and liquefaction is provided by a mixed refrigerant system precooled by another refrigeration system. At least one...
|
|
|
6347531 |
Single mixed refrigerant gas liquefaction process
A method of gas liquefaction wherein the refrigeration to cool and liquefy an essentially water-free feed gas is provided by a single recirculating mixed refrigerant cycle in which refrigeration is...
|
|
|
6334334 |
Process for liquefying a hydrocarbon-rich stream
In the liquefaction of a hydrocarbon by indirect heat exchange with the refrigerant mixture of a refrigerant mixture cycle, the refrigerant mixture being compressed in multiple stages, the...
|