RU99128108A - ADVANCED SYSTEM FOR THE PROCESSING, STORAGE AND TRANSPORTATION OF LIQUEFIED NATURAL GAS - Google Patents

ADVANCED SYSTEM FOR THE PROCESSING, STORAGE AND TRANSPORTATION OF LIQUEFIED NATURAL GAS

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RU99128108A
RU99128108A RU99128108/02A RU99128108A RU99128108A RU 99128108 A RU99128108 A RU 99128108A RU 99128108/02 A RU99128108/02 A RU 99128108/02A RU 99128108 A RU99128108 A RU 99128108A RU 99128108 A RU99128108 A RU 99128108A
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natural gas
liquefied natural
under pressure
pressure
gas under
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RU99128108/02A
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Russian (ru)
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RU2205246C2 (en
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Роберт М. ВУДОЛЛ
Рональд Р. БАУЭН
Дуглас П. ФЭЙРЧАЙЛД
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Эксонмобил Апстрим Рисерч Компани
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Claims (22)

1. Резервуар для хранения сжиженного природного газа под давлением при давлении, примерно, от 1035 кПа до 7590 кПа и при температуре, примерно, от -123oC до -62oC, изготовленный посредством соединения множества отдельных листов материалов, включающих сверхпрочную низколегированную сталь, весовое содержание никеля в которой составляет менее 9%, обладающую пределом прочности на растяжение, превышающим 830 МПа и ТППРХ (температура перехода от пластичного разрушения к хрупкому), меньшей, примерно, -73oC , причем соединения между отдельными листами обладают достаточными пределом прочности и вязкостью при указанных условиях давления и температуры, чтобы содержать сжиженный природный газ под давлением.1. A reservoir for storing liquefied natural gas under pressure at a pressure of from about 1035 kPa to 7590 kPa and at a temperature of from about -123 o C to -62 o C, made by joining many separate sheets of materials, including heavy-duty low alloy steel , the weight content of nickel which is less than 9%, having a tensile strength exceeding 830 MPa and a DBTT (transition temperature from ductile to brittle fracture), at approximately, -73 o C, wherein the connections between the individual sheets possessing A sufficient tensile strength and toughness at said pressure and temperature conditions to contain the liquefied natural gas under pressure. 2. Резервуар по п.1, в котором соединения имеют предел прочности, составляющий, по меньшей мере, около 90% от предела прочности на растяжение сверхпрочной низколегированной стали. 2. The tank according to claim 1, in which the connections have a tensile strength of at least about 90% of the tensile strength of tensile ultra-low alloy steel. 3. Резервуар по п.1, в котором соединения имеют ТППРХ, меньшую, примерно, -73oC.3. The tank according to claim 1, in which the compounds have TPHR, less than about -73 o C. 4. Резервуар по п.1, в котором соединения выполняют посредством газоэлектрической сварки металлическим электродом. 4. The tank according to claim 1, in which the connections are performed by gas-electric welding with a metal electrode. 5. Резервуар по п.1, в котором соединения выполняют посредством дуговой сварки вольфрамовым электродом в среде инертного газа. 5. The tank according to claim 1, in which the connections are performed by arc welding with a tungsten electrode in an inert gas environment. 6. Морское судно для транспортировки сжиженного природного газа под давлением при давлении, примерно, от 1035 кПа до 7590 кПа и при температуре, примерно, от -123oC до -62oC, причем морское судно имеет, по меньшей мере, один резервуар хранения, который выполнен посредством соединения множества отдельных листов материалов, включающих сверхпрочную низколегированную сталь, весовое содержание никеля в которой составляет менее 9%, обладающую пределом прочности на растяжение, превышающим 830 МПа и ТППРХ, меньшей, примерно, -73oC, при этом соединения между отдельными листами обладают достаточными пределом прочности и вязкостью при указанных условиях давления и температуры, чтобы содержать сжиженный природный газ под давлением.6. A marine vessel for transporting liquefied natural gas under pressure at a pressure of from about 1035 kPa to 7590 kPa and at a temperature of from about -123 o C to -62 o C, wherein the sea ship has at least one reservoir storage, which is performed by joining many separate sheets of materials, including ultra-high strength low alloy steel, the weight of nickel in which is less than 9%, having a tensile strength exceeding 830 MPa and TPRH less than about -73 o C, while connecting between about separately sheets possess sufficient tensile strength and toughness at said pressure and temperature conditions to contain the liquefied natural gas under pressure. 7. Морское судно по п.6, имеющее бортовое оборудование для преобразования сжиженного природного газа под давлением в газ и для доставки газа в трубопроводы или аппаратуру пользователя. 7. A marine vessel according to claim 6, having on-board equipment for converting liquefied natural gas under pressure into gas and for delivering gas to pipelines or user equipment. 8. Способ обработки природного газа, включающий этапы:
(a) преобразования природного газа в сжиженный природный газ под давлением при давлении, примерно, от 1035 кПа до 7590 кПа и при температуре, примерно, от -123oC до -62oC; и
(b) доставки сжиженного природного газа в, по меньшей мере, один резервуар хранения, который выполнен посредством множества отдельных листов материалов, включающих сверхпрочную низколегированную сталь, весовое содержание никеля в которой составляет менее 9%, обладающую пределом прочности на растяжение, превышающим 830 МПа и ТППРХ, меньшей, примерно, -73oC , при этом соединения между отдельными листами обладают достаточными пределом и прочности и вязкостью при указанных условиях давления и температуры, чтобы содержать сжиженный природный газ под давлением.8. A method of processing natural gas, comprising the steps of:
(a) converting natural gas to liquefied natural gas under pressure at a pressure of from about 1035 kPa to 7590 kPa and at a temperature of from about -123 ° C to -62 ° C; and
(b) delivering the liquefied natural gas to at least one storage tank, which is made by a plurality of individual sheets of materials, including ultra-high strength low alloy steel, the nickel weight of which is less than 9%, having a tensile strength exceeding 830 MPa, and DBTT lower than about, -73 o C, wherein the connections between the individual sheets and have sufficient yield strength and toughness at said pressure and temperature conditions to contain liquefied natural ha under pressure. 9. Способ транспортировки сжиженного природного газа под давлением, включающий этапы:
(a) хранения сжиженного природного газа под давлением, имеющего давление, примерно, от 1035 кПа до 7590 кПа и температуру, примерно, от -123oC до -62oC в, по меньшей мере, одном резервуаре хранения, который выполнен посредством соединения множества отдельных листов материалов, включающих сверхпрочную низколегированную сталь, весовое содержание никеля в которой составляет менее 9%, обладающую пределом прочности на растяжение, превышающим 830 МПа, и ТППРХ, меньшей, примерно, -73oC, при этом соединения между отдельными листами обладают достаточными пределом прочности и вязкостью при указанных условиях давления и температуры, чтобы содержать сжиженный природный газ под давлением; размещения по меньшей мере, одного резервуара хранения в, по меньшей мере, одном морском судне, и
(b) направления, по меньшей мере, одного морского судна через водное пространство.9. A method of transporting liquefied natural gas under pressure, comprising the steps of:
(a) storing liquefied natural gas under pressure, having a pressure of from about 1035 kPa to 7590 kPa and a temperature of from about -123 o C to -62 o C in at least one storage tank, which is made by connecting many individual sheets of materials, including heavy-duty low alloy steel, the weight of nickel in which is less than 9%, having a tensile strength exceeding 830 MPa, and TPRH less than about -73 o C, while the connections between the individual sheets have sufficient before scrap strength and viscosity under the specified pressure and temperature conditions to contain liquefied natural gas under pressure; accommodating at least one storage tank in at least one marine vessel, and
(b) directing at least one marine vessel through a body of water. 10. Способ по п.9, в котором морское судно снабжают бортовым оборудованием для преобразования сжиженного природного газа под давлением в газ и для доставки газа в трубопроводы или аппаратуру пользователя. 10. The method according to claim 9, in which the marine vessel is equipped with on-board equipment for converting liquefied natural gas under pressure into gas and for delivering gas to pipelines or user equipment. 11. Способ по п.9, дополнительно включающий этап:
(с) доставки сжиженного природного газа под давлением на ввозной терминал, имеющий, по меньшей мере, один резервуар хранения, который выполнен посредством соединения множества отдельных листов материалов, включающих сверхпрочную низколегированную сталь, весовое содержание никеля в которой составляет менее 9%, обладающую пределом прочности на растяжение, превышающим 830 МПа, и ТППРХ, меньшей, примерно, -73oC, при этом соединения между отдельными листами обладают достаточными пределами прочности и вязкостью при указанных условиях давления и температуры, чтобы содержать сжиженный природный газ под давлением.11. The method according to claim 9, further comprising the step of:
(c) delivering pressurized liquefied natural gas to an import terminal having at least one storage tank, which is made by joining a plurality of individual sheets of materials including ultra-high strength low alloy steel, the nickel weight of which is less than 9%, having a tensile strength tensile in excess of 830 MPa, and TPRH, less than approximately -73 o C, while the connections between the individual sheets have sufficient strength and viscosity under the specified pressure conditions and temperatures to contain liquefied natural gas under pressure. 12. Способ по п.11, в котором ввозной терминал снабжают испарительным оборудованием для преобразования сжиженного природного газа под давлением в газ. 12. The method according to claim 11, in which the import terminal is equipped with evaporative equipment for converting liquefied natural gas under pressure into gas. 13. Система для обработки природного газа, содержащая:
(a) станцию обработки для преобразования природного газа в сжиженный природный газ под давлением при давлении, примерно, от 1035 кПа до 7590 кПа и при температуре, примерно, от -123oC до -62oC; и
(b) множество резервуаров хранения для приема сжиженного природного газа под давлением из станции обработки, в которой множество резервуаров хранения выполнено посредством соединения множества отдельных листов материалов, включающих сверхпрочную низколегированную сталь, весовое содержание никеля в которой составляет менее 9%, обладающую пределом прочности на растяжение, превышающим 830 МПа, и ТППРХ, меньшей, примерно, -73oC , при этом соединения между отдельными листами обладают достаточными пределом прочности и вязкостью при указанных условиях давления и температуры, чтобы содержать сжиженный природный газ под давлением.13. A system for processing natural gas, comprising:
(a) a processing station for converting natural gas to liquefied natural gas under pressure at a pressure of from about 1035 kPa to 7590 kPa and at a temperature of from about -123 o C to -62 o C; and
(b) a plurality of storage tanks for receiving liquefied natural gas under pressure from a processing station in which a plurality of storage tanks are made by joining a plurality of individual sheets of materials including ultra-high strength low alloy steel, the nickel weight of which is less than 9%, having a tensile strength exceeding 830 MPa and a DBTT lower than about, -73 o C, wherein the connections between the individual sheets possess sufficient tensile strength and toughness at said y loviyah pressure and temperature, to contain the liquefied natural gas under pressure. 14. Система по п.13, в которой станция обработки состоит, по существу, из:
(1) приемной аппаратуры для приема природного газа и для удаления из природного газа жидких углеводородов;
(2) сушильной аппаратуры для удаления из природного газа водяных паров в количестве, достаточном для того, чтобы предотвратить замерзание природного газа в ходе обработки; и
(3) аппаратуры сжижения для преобразования природного газа в сжиженный природный газ под давлением.14. The system according to item 13, in which the processing station consists essentially of:
(1) receiving equipment for receiving natural gas and for removing liquid hydrocarbons from natural gas;
(2) drying apparatus to remove water vapor from natural gas in an amount sufficient to prevent freezing of natural gas during processing; and
(3) liquefaction equipment for converting natural gas to liquefied natural gas under pressure. 15. Система по п.14, в которой станция обработки дополнительно содержит:
(4) оборудование очистки для удаления, по меньшей мере, одного соединения, выделенного из группы, состоящей из двуокиси углерода, соединений серы, n-пентана плюс и бензола.15. The system of claim 14, wherein the processing station further comprises:
(4) purification equipment for removing at least one compound isolated from the group consisting of carbon dioxide, sulfur compounds, n-pentane plus and benzene. 16. Система для транспортировки сжиженного природного газа под давлением, содержащая:
(а) по меньшей мере, один резервуар хранения для содержания сжиженного природного газа под давлением, имеющего давление, примерно, от 1035 кПа до 7590 кПа и температуру, примерно, от -123oC до -62oC, причем, по меньшей мере, один резервуар хранения выполнен посредством соединения множества отдельных листов материалов, включающих сверхпрочную низколегированную сталь, весовое содержание никеля в которой составляет менее 9%, обладающую пределом прочности на растяжение, превышающим 830 МПа, и ТППРХ, меньшей, примерно, -73oC, при этом соединения между отдельными листами обладают достаточными пределом прочности и вязкостью при указанных условиях давления и температуры, чтобы содержать сжиженный природный газ под давлением; и
(b) по меньшей мере, одно морское судно для транспортировки, по меньшей мере, одного резервуара хранения, содержащего сжиженный природный газ под давлением.16. A system for transporting liquefied natural gas under pressure, containing:
(a) at least one storage tank for containing liquefied natural gas under pressure, having a pressure of from about 1035 kPa to 7590 kPa and a temperature of from about -123 o C to -62 o C, and at least , one storage tank is made by combining many individual sheets of materials, including ultra-high strength low alloy steel, the weight of nickel in which is less than 9%, having a tensile strength exceeding 830 MPa, and TPRX less than about -73 o C, when this connection between the department linen sheets have sufficient tensile strength and viscosity under the indicated pressure and temperature conditions to contain liquefied natural gas under pressure; and
(b) at least one marine vessel for transporting at least one storage tank containing liquefied natural gas under pressure. 17. Система по п.16, в которой каждое морское судно имеет бортовое оборудование для преобразования сжиженного природного газа под давлением в газ, и при этом система дополнительно включает ввозной терминал, состоящий, по существу из аппаратуры доставки газа в трубопроводы или аппаратуру пользователя. 17. The system according to clause 16, in which each marine vessel has on-board equipment for converting liquefied natural gas under pressure into gas, and the system further includes an import terminal, consisting essentially of equipment for delivering gas to pipelines or user equipment. 18. Резервуар для хранения сжиженного природного газа под давлением при давлении, примерно, от 1725 кПа до 7590 кПа и при температуре, примерно, от -112oC до -62oC , причем резервуар выполнен посредством соединения множества отдельных листов сверхпрочной низколегированной стали, весовое содержание никеля в которой составляет менее 2%, и обладающей достаточными пределом прочности и вязкостью, чтобы содержать сжиженный природный газ под давлением, при этом соединения между отдельными листами обладают достаточными пределом прочности и вязкостью при указанных условиях давления и температуры, чтобы содержать сжиженный природный газ под давлением.18. A reservoir for storing liquefied natural gas under pressure at a pressure of from about 1725 kPa to 7590 kPa and at a temperature of from about -112 ° C to -62 ° C, the tank being made by joining a plurality of individual sheets of heavy-duty low alloy steel, the weight content of nickel in which is less than 2%, and having a sufficient tensile strength and viscosity to contain liquefied natural gas under pressure, while the connections between the individual sheets have a sufficient tensile strength and viscosity said pressure and temperature conditions to contain the liquefied natural gas under pressure. 19. Способ обработки и транспортировки природного газа, включающий этапы:
(a) обработки природного газа посредством преобразования его в сжиженный природный газ под давлением, имеющий давление, примерно, от 1725 кПа до 7590 кПа и температуру, примерно, от -112oC до -62oC;
(b) размещения сжиженного природного газа в множество резервуаров хранения, расположенных в первом местоположении, согласно которому множество резервуаров хранения обладает достаточными пределом прочности и вязкостью, чтобы содержать сжиженный природный газ под давлением при указанных условиях давления и температуры; и
(c) транспортировки множества резервуаров хранения, содержащих сжиженный природный газ под давлением из первого местоположения во второе местоположение.19. A method of processing and transportation of natural gas, comprising the steps of:
(a) treating natural gas by converting it to liquefied natural gas under pressure, having a pressure of from about 1725 kPa to 7590 kPa and a temperature of from about -112 o C to -62 o C;
(b) placing the liquefied natural gas in a plurality of storage tanks located at a first location, according to which the plurality of storage tanks have sufficient tensile strength and viscosity to contain liquefied natural gas under pressure under said pressure and temperature conditions; and
(c) transporting a plurality of storage tanks containing liquefied natural gas under pressure from a first location to a second location. 20. Система для обработки и транспортировки природного газа, содержащая:
(a) станцию обработки для преобразования природного газа в сжиженный природный газ под давлением, имеющий давление, примерно, от 1725 кПа до 7590 кПа и температуру, примерно, от -112oC до -62oC;
(b) множество резервуаров хранения для приема сжиженного природного газа под давлением, при этом множество резервуаров хранения обладает достаточными пределом прочности и вязкостью, чтобы содержать сжиженный природный газ под давлением при указанных условиях давления и температуры; и
(с) по меньшей мере одно морское судно, приспособленное для хранения и транспортировки множества резервуаров хранения, содержащих сжиженный природный газ под давлением.20. A system for processing and transporting natural gas, comprising:
(a) a processing station for converting natural gas to liquefied natural gas under pressure, having a pressure of from about 1725 kPa to 7590 kPa and a temperature of from about -112 o C to -62 o C;
(b) a plurality of storage tanks for receiving liquefied natural gas under pressure, the plurality of storage tanks having sufficient tensile strength and viscosity to contain liquefied natural gas under pressure under the indicated pressure and temperature conditions; and
(c) at least one marine vessel adapted to store and transport a plurality of storage tanks containing liquefied natural gas under pressure. 21. Сжиженный природной газ под давлением, получаемый из процесса сжижения природного газа для производства сжиженного природного газа под давлением в качестве выходного продукта при давлении, примерно, от 1725 кПа до 7590 кПа и температуре, примерно, от -112oC до -62oC, и содержащий по меньшей мере, один компонент, выделенный из группы, состоящей из (1) двуокиси углерода, (2) n-пентана плюс и (3) бензола, в количестве, которое замерзло бы в сжиженном природном газе при давлении, близком к атмосферному давлению и температуре около -162oC.21. Liquefied natural gas under pressure, obtained from the process of liquefying natural gas to produce liquefied natural gas under pressure as an output product at a pressure of from about 1725 kPa to 7590 kPa and a temperature of from about -112 o C to -62 o C, and containing at least one component isolated from the group consisting of (1) carbon dioxide, (2) n-pentane plus and (3) benzene, in an amount that would freeze in liquefied natural gas at a pressure close to to atmospheric pressure and a temperature of about -162 o C. 22. Сжиженный природный газ под. давлением, получаемый из процесса сжижения природного газа для производства сжиженного природного газа под давлением в качестве выходного продукта при давлении, примерно, от 1725 кПа до 7590 кПа и температуре, примерно, от -112oC до -62oC причем процесс включает, по существу, следующие этапы: (1) приема природного газа в приемной аппаратуре; (2) удаления из природного газа водяного пара в количестве, достаточном для того, чтобы предотвратить замерзание природного газа в ходе процесса; и (3) сжижения природного газа для производства выходного продукта.22. Liquefied natural gas under. pressure obtained from the process of liquefying natural gas to produce liquefied natural gas under pressure as an output product at a pressure of from about 1725 kPa to 7590 kPa and a temperature of from about -112 o C to -62 o C essentially the following steps: (1) receiving natural gas in the receiving apparatus; (2) removal of water vapor from natural gas in an amount sufficient to prevent freezing of natural gas during the process; and (3) liquefying natural gas to produce an output product.
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