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1. 发明授权

US10576415B2 Combined dehydration of gas and inhibition of liquid from a well stream 有权
公开(公告)号：US10576415B2
公开(公告)日：2020-03-03
申请号：US15904563
申请日：2018-02-26
申请人： Statoil Petroleum AS
发明人： Knut Arild Maråk , Arne Olav Fredheim , Bernt Henning Rusten , Lars Henrik Gjertsen , Baard Kaasa
IPC分类号： B01D53/26 , B01D3/36 , E21B43/36 , E21B43/40 , C10L3/10 , C10L3/08
摘要： A method and system for dehydration of a gas phase and hydrate inhibition of a liquid hydrocarbon phase in a multiphase hydrocarbon fluid stream containing water. The method may include (i) separating the hydrocarbon fluid stream into a liquid phase and a first gas phase, (ii) adding hydrate inhibitor to the first gas phase, and (iii) separating off condensed liquids and a second gas phase. The first gas phase has a water dew point that is lower than the initial multiphase hydrocarbon fluid stream and the second gas phase has a lower water dew point than the first gas phase. The hydrate inhibitor has a water content that is low enough to enable it to dry the first gas phase, the hydrate inhibitor being separated off with the condensed liquids and mixed with a part or all of the liquid phase from the separation to inhibit the liquid phase.

2. 发明授权

US10821398B2 Combined dehydration of gas and inhibition of liquid from a well stream 有权
公开(公告)号：US10821398B2
公开(公告)日：2020-11-03
申请号：US16200857
申请日：2018-11-27
申请人： Statoil Petroleum AS
发明人： Knut Arild Maråk , Arne Olav Fredheim , Bernt Henning Rusten , Lars Henrik Gjertsen , Baard Kaasa
IPC分类号： B01D53/26 , C10L3/08 , C10L3/10 , E21B43/36 , E21B43/40 , B01D3/36
摘要： A method and system for dehydration of a gas phase and hydrate inhibition of a liquid hydrocarbon phase in a multiphase hydrocarbon fluid stream containing water. The method may include (i) separating the hydrocarbon fluid stream into a liquid phase and a first gas phase, (ii) adding hydrate inhibitor to the first gas phase, and (iii) separating off condensed liquids and a second gas phase. The first gas phase has a water dew point that is lower than the initial multiphase hydrocarbon fluid stream and the second gas phase has a lower water dew point than the first gas phase. The hydrate inhibitor has a water content that is low enough to enable it to dry the first gas phase, the hydrate inhibitor being separated off with the condensed liquids and mixed with a part or all of the liquid phase from the separation to inhibit the liquid phase.

3. 发明申请

US20180187112A1 COMBINED DEHYDRATION OF GAS AND INHIBITION OF LIQUID FROM A WELL STREAM 审中-公开
公开(公告)号：US20180187112A1
公开(公告)日：2018-07-05
申请号：US15904563
申请日：2018-02-26
申请人： Statoil Petroleum AS
发明人： Knut Arild Maråk , Arne Olav Fredheim , Bernt Henning Rusten , Lars Henrik Gjertsen , Baard Kaasa
IPC分类号： C10L3/10 , E21B43/40 , E21B43/36 , B01D3/36 , C10L3/08 , B01D53/26
摘要： A method and system for dehydration of a gas phase and hydrate inhibition of a liquid hydrocarbon phase in a multiphase hydrocarbon fluid stream containing water. The method may include (i) separating the hydrocarbon fluid stream into a liquid phase and a first gas phase, (ii) adding hydrate inhibitor to the first gas phase, and (iii) separating off condensed liquids and a second gas phase. The first gas phase has a water dew point that is lower than the initial multiphase hydrocarbon fluid stream and the second gas phase has a lower water dew point than the first gas phase. The hydrate inhibitor has a water content that is low enough to enable it to dry the first gas phase, the hydrate inhibitor being separated off with the condensed liquids and mixed with a part or all of the liquid phase from the separation to inhibit the liquid phase.

4. 发明申请

US20150291901A1 COMBINED DEHYDRATION OF GAS AND INHIBITION OF LIQUID FROM A WELL STREAM 审中-公开
标题翻译：气体的组合脱水和液体从良好的流动中的抑制
公开(公告)号：US20150291901A1
公开(公告)日：2015-10-15
申请号：US14646791
申请日：2012-11-26
申请人： STATOIL PETROLEUM AS
发明人： Knut Arild Maråk , Arne Olav Fredheim , Bernt Henning Rusten , Lars Henrik Gjertsen
IPC分类号： C10L3/10 , B01D3/36 , E21B43/40 , B01D53/26
CPC分类号： C10L3/106 , B01D3/36 , B01D53/26 , C10L3/08 , C10L3/107 , E21B43/36 , E21B43/40
摘要： A method and system is provided for dehydration of a gas phase and hydrate inhibition of a liquid hydrocarbon phase in a produced multiphase hydrocarbon fluid stream containing water, comprising the steps of: i) separating the hydrocarbon fluid stream into a liquid phase and a first gas phase; ii) adding hydrate inhibitor to the first gas phase; and iii) separating off condensed liquids and a second gas phase; wherein the first gas phase has a water dew point which is lower than that of the initial multiphase hydrocarbon fluid stream and the second gas phase has a lower water dew point than the first gas phase; characterised in that the hydrate inhibitor has a water content that is low enough to enable it to dry the first gas phase, said hydrate inhibitor being separated off with the condensed liquids in step iii) and mixed with a part or all of the liquid phase from the separation in step i) to inhibit said liquid phase.
摘要翻译：提供了一种方法和系统，用于在产生的含水多相烃流体流中气相脱水和液体烃相的水合物抑制，包括以下步骤：i）将烃流体流分离成液相和第一气体相; ii）向第一气相中加入水合物抑制剂; 和iii）分离冷凝液体和第二气相; 其中所述第一气相的水露点低于所述初始多相烃流体流的水露点，并且所述第二气相具有比所述第一气相低的水露点; 其特征在于，水合物抑制剂的水含量足够低以使其能够干燥第一气相，所述水合物抑制剂在步骤iii）中与冷凝液体分离，并与一部分或全部液相从步骤i）中的分离以抑制所述液相。

5. 发明申请

US20190093039A1 COMBINED DEHYDRATION OF GAS AND INHIBITION OF LIQUID FROM A WELL STREAM 审中-公开
公开(公告)号：US20190093039A1
公开(公告)日：2019-03-28
申请号：US16200857
申请日：2018-11-27
申请人： Statoil Petroleum AS
发明人： Knut Arild Maråk , Arne Olav Fredheim , Bernt Henning Rusten , Lars Henrik Gjertsen , Baard Kaasa
IPC分类号： C10L3/10 , B01D3/36 , E21B43/40 , E21B43/36 , B01D53/26 , C10L3/08
摘要： A method and system for dehydration of a gas phase and hydrate inhibition of a liquid hydrocarbon phase in a multiphase hydrocarbon fluid stream containing water. The method may include (i) separating the hydrocarbon fluid stream into a liquid phase and a first gas phase, (ii) adding hydrate inhibitor to the first gas phase, and (iii) separating off condensed liquids and a second gas phase. The first gas phase has a water dew point that is lower than the initial multiphase hydrocarbon fluid stream and the second gas phase has a lower water dew point than the first gas phase. The hydrate inhibitor has a water content that is low enough to enable it to dry the first gas phase, the hydrate inhibitor being separated off with the condensed liquids and mixed with a part or all of the liquid phase from the separation to inhibit the liquid phase.

6. 发明授权

US10184090B2 Combined dehydration of gas and inhibition of liquid from a well stream 有权
公开(公告)号：US10184090B2
公开(公告)日：2019-01-22
申请号：US14646791
申请日：2012-11-26
申请人： Statoil Petroleum AS
发明人： Knut Arild Maråk , Arne Olav Fredheim , Bernt Henning Rusten , Lars Henrik Gjertsen , Baard Kaasa
IPC分类号： C10L3/10 , C10L3/08 , E21B43/40 , E21B43/36 , B01D3/36 , B01D53/26
摘要： A method and system for dehydration of a gas phase and hydrate inhibition of a liquid hydrocarbon phase in a multiphase hydrocarbon fluid stream containing water. The method may include (i) separating the hydrocarbon fluid stream into a liquid phase and a first gas phase, (ii) adding hydrate inhibitor to the first gas phase, and (iii) separating off condensed liquids and a second gas phase. The first gas phase has a water dew point that is lower than the initial multiphase hydrocarbon fluid stream and the second gas phase has a lower water dew point than the first gas phase. The hydrate inhibitor has a water content that is low enough to enable it to dry the first gas phase, the hydrate inhibitor being separated off with the condensed liquids and mixed with a part or all of the liquid phase from the separation to inhibit the liquid phase.

7. 发明申请

US20170211369A1 COMPACT HYDROCARBON WELLSTREAM PROCESSING 审中-公开
公开(公告)号：US20170211369A1
公开(公告)日：2017-07-27
申请号：US15314312
申请日：2015-05-29
申请人： Statoil Petroleum AS
发明人： Gry Pedersen Kojen , Lars Henrik Gjertsen , Andrea Carolina Machado Miguens , Arne Olav Fredheim , Cecille Gotaas Johnsen , Knut Arlid Maråk
IPC分类号： E21B43/36 , C10L3/10
摘要： A system (2) for offshore hydrocarbon processing comprises a host (6) at surface level, a subsea processing plant (4), and an umbilical (8) connecting the host and the subsea processing plant. The subsea processing plant is adapted to receive a multi-phase hydrocarbon stream (10) from a wellhead and to output at least a hydrocarbon gas-phase stream (14) satisfying a rich gas pipeline transportation specification to a pipeline. The umbilical provides a desiccant (12) for drying the hydrocarbon gas, as well as power and control (12), from the host to the subsea processing plant.

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