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1. 发明授权

US10288347B2 Method of removing carbon dioxide during liquid natural gas production from natural gas at gas pressure letdown stations 有权
公开(公告)号：US10288347B2
公开(公告)日：2019-05-14
申请号：US15504003
申请日：2014-08-15
申请人： 1304338 Alberta Ltd. , 1304342 Alberta Ltd.
发明人： Jose Lourenco , MacKenzie Millar
IPC分类号： F25J3/08 , C10L3/10 , F25J1/00 , F25J1/02 , F25J3/02 , F25J3/06
摘要： A method is described for removing carbon dioxide during Liquid Natural Gas production from natural gas at gas pressure letdown stations. The above method removes carbon dioxide from a Liquid Natural Gas production stream by using hydrocarbon fractions taken from a gas for consumption stream as a carbon dioxide stripping adsorption agent for a stripping column used to remove carbon dioxide.

2. 发明授权

US10077937B2 Method to produce LNG 有权
公开(公告)号：US10077937B2
公开(公告)日：2018-09-18
申请号：US14784931
申请日：2014-04-14
申请人： 1304342 Alberta Ltd. , 1304338 Alberta Ltd.
发明人： MacKenzie Millar , Jose Lourenco
IPC分类号： F25J1/00 , F25J3/02 , F25J1/02 , C10L3/10
CPC分类号： F25J1/0022 , C10L3/106 , F25J1/02 , F25J3/0209 , F25J3/0233 , F25J3/0238 , F25J2200/02 , F25J2200/04 , F25J2200/70 , F25J2200/76 , F25J2205/04 , F25J2210/06 , F25J2215/04 , F25J2240/02 , F25J2290/60
摘要： A method to produce LNG at straddle plants. In contrast to known methods, there is provided a slipstream of a high pressure, pre-treated, pre-cooled natural gas stream to a straddle LNG plant section. The slipstream is further cooled, and processed in a high pressure column to a methane content of 85% or 85 plus by mole. The processed stream is further treated to remove carbon dioxide. The de-carbonated high pressure stream is further cooled in a heat exchanger by a counter-current vapor fraction of the expanded gas before entering an expander apparatus. The processed, treated and cooled gas is expanded into a separator. The produced LNG fraction is pumped to storage. A portion of the LNG fraction is used as a reflux stream to the high pressure column. The cold vapor fraction from the separator flows through counter-current heat exchangers, giving up its coolth energy before being re-compressed into the high pressure transmission gas pipeline.

3. 发明申请

US20150107297A1 TEMPERATURE CONTROLLED METHOD TO LIQUEFY GAS AND A PRODUCTION PLANT USING THE METHOD 审中-公开
标题翻译：使用该方法调节气体和生产工厂的温度控制方法
公开(公告)号：US20150107297A1
公开(公告)日：2015-04-23
申请号：US14386323
申请日：2013-03-21
申请人： 1304338 Alberta Ltd. , 1304342 Alberta Ltd.
发明人： Jose Lourenco , MacKenzie Millar
IPC分类号： F25J1/00
摘要： A method for liquefying gas involving pre-treating the gas stream in a pre-treater to remove impurities, and then passing the gas stream through a first flow path of a first heat exchanger to lower a temperature of the gas stream. The gas stream is then passed through the gas expansion turbine to lower a pressure of the gas stream and further decrease the temperature of the gas stream. The gas stream is then passed into a primary separator to separate the gas stream into a liquid stream and a cold gas stream. The liquid stream is collected. Selected quantities of the cold gas stream are passed through a second flow path of the first heat exchanger whereby a heat exchange takes place to cool the gas stream flowing through the first flow path to maintain the temperature of the gas stream entering the gas expansion turbine at a temperature which promotes the production of liquids.
摘要翻译：一种用于液化气体的方法，包括在预处理器中预处理气流以除去杂质，然后使气流通过第一热交换器的第一流动路径以降低气流的温度。然后将气流通过气体膨胀涡轮机以降低气流的压力并进一步降低气流的温度。然后将气流送入主分离器以将气流分离成液体流和冷气流。收集液体流。选定量的冷气流通过第一热交换器的第二流动路径，由此进行热交换以冷却流过第一流动路径的气流，以将进入气体膨胀涡轮机的气流的温度保持在促进液体生产的温度。

4. 发明授权

US11486636B2 Method to recover LPG and condensates from refineries fuel gas streams 有权
公开(公告)号：US11486636B2
公开(公告)日：2022-11-01
申请号：US14400213
申请日：2013-05-10
申请人： 1304338 Alberta Ltd , 1304342 Alberta Ltd
发明人： Jose Lourenco , MacKenzie Millar
IPC分类号： F25J3/02 , F25J1/00 , C01B3/50 , C10G5/06 , F25J3/06
摘要： A method to recover olefins and C2+ fractions from refineries gas streams. The traditional recovery methods employed at refineries are absorption with solvents and cryogenic technology using compression and expansion aided by external refrigeration systems. In contrast to known methods, there is provided first a pre-cooling heat exchanger on a feed line feeding the gas stream to a in-line mixer, secondly by injecting and mixing a stream of LNG to condense the C2+ fractions upstream of the fractionator. The temperature of the gas stream entering the fractionator is monitored downstream of the in-line mixer. A LNG stream is temperature controlled to flow through the injection inlet and mix with the feed gas at a temperature which results in the condensation of the C2+ fractions before entering the fractionator. A LNG reflux stream is temperature controlled to maintain fractionator overhead temperature. The fractionator bottoms temperature is controlled by a circulating reboiler stream.

5. 发明授权

US11173445B2 Method of preparing natural gas at a gas pressure reduction stations to produce liquid natural gas (LNG) 有权
公开(公告)号：US11173445B2
公开(公告)日：2021-11-16
申请号：US15759700
申请日：2015-09-16
申请人： 1304338 Alberta Ltd. , 1304342 Alberta Ltd.
发明人： Jose Lourenco , MacKenzie Millar
IPC分类号： B01D53/14 , C10L3/10 , F25J3/02
摘要： A method to pre-treat an inlet natural gas stream at gas pressure reduction stations to produce LNG removes water and carbon dioxide from a natural gas stream. The energy required for the process is provided by recovering pressure energy in the inlet gas stream. The process eliminates the conventional gas pre-heating process at pressure reductions stations employing gas combustion heaters. The process provides a method to produce LNG at natural gas pressure reduction that meets product specifications.

6. 发明授权

US10634426B2 Method to produce liquefied natural gas (LNG) at midstream natural gas liquids (NGLs) recovery plants 有权
公开(公告)号：US10634426B2
公开(公告)日：2020-04-28
申请号：US13722910
申请日：2012-12-20
申请人： 1304342 Alberta Ltd , 1304338 Alberta Ltd
发明人： Jose Lourenco , MacKenzie Millar
IPC分类号： F25J3/02 , F25J1/00
CPC分类号： F25J1/0022 , F25J3/0209 , F25J3/0233 , F25J3/0238 , F25J2200/02 , F25J2200/74 , F25J2205/04 , F25J2215/04 , F25J2220/04 , F25J2220/66 , F25J2240/02 , F25J2245/02 , F25J2270/02 , F25J2270/04 , F25J2280/02
摘要： A method for production of liquid natural gas (LNG) at natural gas liquids (NGLs) recovery plants that maximizes NGLs recovery by producing LNG and using the produced LNG as an external cooling source to control the operation of a de-methanizer column at the NLG recovery facility. In at least one embodiment, LNG is added from an LNG overhead receiver by direct mixing to control the temperature profile in the NGL de-methanizer column. The temperature in an overhead product of the de-methanizer column is controlled by controlling addition of LNG as a reflux stream. The temperature in an expanded feed gas to the de-methanizer column is controlled by controlling addition of LNG as a tempering gas, while stripping of carbon dioxide from an NGL product stream is controlled by controlling the addition of LNG as stripping gas.

7. 发明申请

US20170241709A1 METHOD OF REMOVING CARBON DIOXIDE DURING LIQUID NATURAL GAS PRODUCTION FROM NATURAL GAS AT GAS PRESSURE LETDOWN STATIONS 审中-公开
公开(公告)号：US20170241709A1
公开(公告)日：2017-08-24
申请号：US15504003
申请日：2014-08-15
申请人： 1304338 Alberta Ltd. , 1304342 Alberta Ltd.
发明人： Jose Lourenco , MacKenzie Millar
IPC分类号： F25J3/08 , F25J3/06
CPC分类号： F25J3/08 , C10L3/104 , C10L3/106 , C10L2290/06 , C10L2290/08 , C10L2290/48 , C10L2290/54 , C10L2290/545 , F25J1/0022 , F25J1/0035 , F25J1/0037 , F25J1/004 , F25J1/0042 , F25J1/0201 , F25J1/0232 , F25J3/0209 , F25J3/0233 , F25J3/0266 , F25J3/0615 , F25J2205/04 , F25J2205/50 , F25J2210/06 , F25J2215/04 , F25J2220/64 , F25J2220/66 , F25J2230/08 , F25J2230/32 , F25J2260/10 , F25J2270/04 , Y02C10/12
摘要： A method is described for removing carbon dioxide during Liquid Natural Gas production from natural gas at gas pressure letdown stations. The above method removes carbon dioxide from a Liquid Natural Gas production stream by using hydrocarbon fractions taken from a gas for consumption stream as a carbon dioxide stripping adsorption agent for a stripping column used to remove carbon dioxide.

8. 发明授权

US11946355B2 Method to recover and process methane and condensates from flare gas systems 有权
公开(公告)号：US11946355B2
公开(公告)日：2024-04-02
申请号：US16764078
申请日：2017-11-27
申请人： 1304338 Alberta Ltd. , 1304342 Alberta Ltd.
发明人： Jose Lourenco , MacKenzie Millar
IPC分类号： F25J3/02 , E21B43/34
CPC分类号： E21B43/34 , F25J3/0209 , F25J3/0238 , F25J2200/02 , F25J2200/78 , F25J2205/04 , F25J2205/40 , F25J2205/50 , F25J2205/80 , F25J2215/04 , F25J2220/66 , F25J2220/68 , F25J2230/30 , F25J2240/02 , F25J2240/30 , F25J2270/04
摘要： A method to recover and process hydrocarbons from a gas flare system to produce natural gas liquids (NGL), cold compressed natural gas (CCNG), compressed natural gas (CNG) and liquid natural gas (LNG). The method process provides the energy required to recover and process the hydrocarbon gas stream through compression and expansion of the various streams.

9. 发明申请

US20230064109A1 METHOD AND SYSTEM TO PRODUCE HYDROCARBON FEEDSTOCKS 有权
公开(公告)号：US20230064109A1
公开(公告)日：2023-03-02
申请号：US17793214
申请日：2021-01-05
申请人： 1304338 Alberta Ltd. , 1304342 Alberta Ltd.
发明人： Jose Lourenco , MacKenzie Millar
IPC分类号： C07C29/151 , C01B3/38 , B01J19/24 , H01M8/0668
摘要： A method that combines a fuel cell with a Gas Recovery Unit (GRU) to a methanol plant to produce methanol at near zero GHG emissions. The fuel cell generates steam, carbon dioxide and electricity. A GRU unit condenses, separates, recovers, pressurizes and reheats the fuel cell anode exhaust stream. The GRU prepares a stream of natural gas and steam to feed the fuel cell anode and a stream of carbon dioxide and air to feed the fuel cell cathode. The GRU also prepares streams of carbon dioxide and steam as reactants for the stoichiometric mixture with natural gas to produce synthesis gas in an electric catalytic reformer at a methanol plant. The electric catalytic reformer uses electricity, steam and/or carbon dioxide reactants produced by the fuel cell to produce synthesis gas for conversion to methanol with low GHG emissions.

10. 发明授权

US11473021B2 Upgrading oil using supercritical fluids 有权
公开(公告)号：US11473021B2
公开(公告)日：2022-10-18
申请号：US15781689
申请日：2016-12-01
申请人： 1304342 Alberta Ltd. , 1304338 Alberta Ltd.
发明人： Mackenzie Millar , Jose Lourenco
IPC分类号： C10G31/08 , B01D1/00 , C09K8/592 , C10G9/36 , E21B43/16 , E21B43/24 , E21B43/40 , H01M8/04119 , H01M8/0662
摘要： A method of upgrading oil using supercritical fluids generated by a fuel cell. The process uses supercritical carbon dioxide to control the specific gravity of the oil and supercritical water, the amount of which is controlled to achieve a desired oil/water ratio in processing oils to be upgraded. The process recovers the GHG emission stream from a fuel cell anode exhaust to produce supercritical fluids.

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