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RU2003101460A - HEATED PIPE - Google Patents

HEATED PIPE

Info

Publication number
RU2003101460A
RU2003101460A RU2003101460/03A RU2003101460A RU2003101460A RU 2003101460 A RU2003101460 A RU 2003101460A RU 2003101460/03 A RU2003101460/03 A RU 2003101460/03A RU 2003101460 A RU2003101460 A RU 2003101460A RU 2003101460 A RU2003101460 A RU 2003101460A
Authority
RU
Russia
Prior art keywords
inert gas
annular space
mon
created
vacuum
Prior art date
Application number
RU2003101460/03A
Other languages
Russian (ru)
Other versions
RU2243348C2 (en
Inventor
Игорь Михайлович Фельдман
Вячеслав Михайлович Щапин
Игорь Вячеславович Щапин
Валерий Николаевич Коршунов
Original Assignee
Закрытое акционерное общество "РА-Кубаньнефтемаш"
Filing date
Publication date
Application filed by Закрытое акционерное общество "РА-Кубаньнефтемаш" filed Critical Закрытое акционерное общество "РА-Кубаньнефтемаш"
Priority to RU2003101460/03A priority Critical patent/RU2243348C2/en
Priority claimed from RU2003101460/03A external-priority patent/RU2243348C2/en
Publication of RU2003101460A publication Critical patent/RU2003101460A/en
Application granted granted Critical
Publication of RU2243348C2 publication Critical patent/RU2243348C2/en

Links

Claims (1)

Теплоизолированная труба, включающая внутреннюю и наружную трубы, расположенные коаксиально с образованием кольцевого пространства между ними, причем кольцевое пространство герметизировано, в нем размещена теплоизоляция и создан вакуум, отличающаяся тем, что вакуумированное до 10-13 Па пространство заполняется инертным газом с низким коэффициентом теплопроводности под давлением, рассчитываемым по формулеA heat-insulated pipe, including inner and outer pipes, arranged coaxially with the formation of an annular space between them, the annular space being sealed, insulated and created a vacuum, characterized in that the space evacuated to 10-13 Pa is filled with an inert gas with a low coefficient of thermal conductivity under pressure calculated by the formula Р=Рв+К·Рпн, ПаP = P in + K · P mon , Pa где Р - давление нагнетания инертного газа, Па;where P is the inert gas injection pressure, Pa; Рв - величина вакуума, создаваемого в кольцевом пространстве, Па;P in - the magnitude of the vacuum created in the annular space, Pa; К - коэффициент, учитывающий свойства инертного газа;K is a coefficient taking into account the properties of an inert gas; Рпн - парциальное давление водорода, Па.P Mon the partial pressure of hydrogen, Pa.
RU2003101460/03A 2003-01-20 2003-01-20 Thermo-isolated pipe RU2243348C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2003101460/03A RU2243348C2 (en) 2003-01-20 2003-01-20 Thermo-isolated pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2003101460/03A RU2243348C2 (en) 2003-01-20 2003-01-20 Thermo-isolated pipe

Publications (2)

Publication Number Publication Date
RU2003101460A true RU2003101460A (en) 2004-07-20
RU2243348C2 RU2243348C2 (en) 2004-12-27

Family

ID=34387501

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003101460/03A RU2243348C2 (en) 2003-01-20 2003-01-20 Thermo-isolated pipe

Country Status (1)

Country Link
RU (1) RU2243348C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2352750C1 (en) * 2007-08-13 2009-04-20 Открытое акционерное общество "Газпром" Heat insulated string
RU2597087C1 (en) * 2015-03-26 2016-09-10 Андрей Юрьевич Беляев Heat pipe and method for its protection against diffusion hydrogen
CN109578752B (en) * 2019-01-29 2024-02-23 信达科创（唐山）石油设备有限公司 Super-long heat-preservation steel sleeve steel pipeline and processing technology thereof
CN111022784B (en) * 2019-12-20 2021-03-09 信达科创（唐山）石油设备有限公司 Ultra-long heat-insulating pipeline and processing method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1506084A1 (en) * 1987-12-29 1989-09-07 Бугульминский Комплексный Отдел Исследований И Внедрения Разработок Всесоюзного Нефтегазового Научно-Исследовательского Института Heat-insulated string for injecting heat-carrier into formation
SU1696677A1 (en) * 1989-01-13 1991-12-07 Научно-производственное объединение по термическим методам добычи нефти "Союзтермнефть" Heat-insulated drill pipe string
RU2046244C1 (en) * 1989-06-05 1995-10-20 Юрий Иванович Гуркин Pipe joint
RU2046245C1 (en) * 1989-12-22 1995-10-20 Юрий Иванович Гуркин Pipe joint
RU2129202C1 (en) * 1997-08-12 1999-04-20 Открытое акционерное общество "Удмуртнефть" Heat-insulated pipe string
RU2165001C2 (en) * 1999-04-07 2001-04-10 Нуретдинов Язкар Карамович Method of flow string checking for tightness

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