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RU2001117098A - Circulation valve - Google Patents

Circulation valve

Info

Publication number
RU2001117098A
RU2001117098A RU2001117098/03A RU2001117098A RU2001117098A RU 2001117098 A RU2001117098 A RU 2001117098A RU 2001117098/03 A RU2001117098/03 A RU 2001117098/03A RU 2001117098 A RU2001117098 A RU 2001117098A RU 2001117098 A RU2001117098 A RU 2001117098A
Authority
RU
Russia
Prior art keywords
circulation valve
barrel
pair
sealing
windows
Prior art date
Application number
RU2001117098/03A
Other languages
Russian (ru)
Other versions
RU2206714C2 (en
Inventor
Юнир Гафурович Вагапов
Юнер Гаянович Валишин
Самат Юнирович Вагапов
Original Assignee
Юнир Гафурович Вагапов
Юнер Гаянович Валишин
Самат Юнирович Вагапов
Filing date
Publication date
Application filed by Юнир Гафурович Вагапов, Юнер Гаянович Валишин, Самат Юнирович Вагапов filed Critical Юнир Гафурович Вагапов
Priority to RU2001117098/03A priority Critical patent/RU2206714C2/en
Priority claimed from RU2001117098/03A external-priority patent/RU2206714C2/en
Publication of RU2001117098A publication Critical patent/RU2001117098A/en
Application granted granted Critical
Publication of RU2206714C2 publication Critical patent/RU2206714C2/en

Links

Claims (1)

Циркуляционный клапан, содержащий ствол с окнами и с присоединительными резьбами, подпружиненный золотник, установленный на стволе, уплотнительные элементы, образующие ступенчатую пару, отличающуюся тем, что ступени поршневой пары выполнены с переменным сечением, а в зазорах между ними установлены деформируемые самоуплотняющие манжеты из эластомера.A circulation valve containing a barrel with windows and connecting threads, a spring-loaded spool mounted on the barrel, sealing elements forming a stepped pair, characterized in that the piston pair steps are made with a variable cross-section, and deformable self-sealing elastomer cuffs are installed in the gaps between them.
RU2001117098/03A 2001-06-18 2001-06-18 Xirxulation valve RU2206714C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2001117098/03A RU2206714C2 (en) 2001-06-18 2001-06-18 Xirxulation valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2001117098/03A RU2206714C2 (en) 2001-06-18 2001-06-18 Xirxulation valve

Publications (2)

Publication Number Publication Date
RU2001117098A true RU2001117098A (en) 2003-05-20
RU2206714C2 RU2206714C2 (en) 2003-06-20

Family

ID=29209838

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001117098/03A RU2206714C2 (en) 2001-06-18 2001-06-18 Xirxulation valve

Country Status (1)

Country Link
RU (1) RU2206714C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2325508C2 (en) * 2005-06-03 2008-05-27 Республиканское унитарное предприятие "Производственное объединение "Белоруснефть" (РУП "Производственное объединение "Белоруснефть") Circulating valve
RU2358091C2 (en) * 2007-04-10 2009-06-10 Владимир Васильевич Филин Flush valve
CN101769141B (en) * 2009-01-01 2012-11-14 黄石市汉威石油电子机械设备有限责任公司 Localization hot washing device
CN107558951A (en) * 2017-09-29 2018-01-09 中国石油天然气股份有限公司 A hydraulic switch circulation sliding sleeve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398555A (en) * 1981-06-03 1983-08-16 Otis Engineering Corporation Flow control valve
US4529038A (en) * 1982-08-19 1985-07-16 Geo Vann, Inc. Differential vent and bar actuated circulating valve and method
US5044443A (en) * 1990-08-17 1991-09-03 Otis Engineering Corporation Method and apparatus for producing wells
RU2133819C1 (en) * 1997-09-30 1999-07-27 Открытое акционерное общество "Саратовнефтегаз" Valve for completion of valves
US6230811B1 (en) * 1999-01-27 2001-05-15 Halliburton Energy Services, Inc. Internal pressure operated circulating valve with annulus pressure operated safety mandrel

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