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RU2005105234A - WELL MOUNT SEALING DEVICE - Google Patents

WELL MOUNT SEALING DEVICE Download PDF

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Publication number
RU2005105234A
RU2005105234A RU2005105234/03A RU2005105234A RU2005105234A RU 2005105234 A RU2005105234 A RU 2005105234A RU 2005105234/03 A RU2005105234/03 A RU 2005105234/03A RU 2005105234 A RU2005105234 A RU 2005105234A RU 2005105234 A RU2005105234 A RU 2005105234A
Authority
RU
Russia
Prior art keywords
preventer
spool
cavity
cylinders
piston
Prior art date
Application number
RU2005105234/03A
Other languages
Russian (ru)
Other versions
RU2301320C2 (en
Inventor
Олег Иванович Прокопов (RU)
Олег Иванович Прокопов
Яхуда Мазитович Каюмов (RU)
Яхуда Мазитович Каюмов
Original Assignee
Башкирский государственный аграрный университет (БГАУ) (RU)
Башкирский государственный аграрный университет (БГАУ)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Башкирский государственный аграрный университет (БГАУ) (RU), Башкирский государственный аграрный университет (БГАУ) filed Critical Башкирский государственный аграрный университет (БГАУ) (RU)
Priority to RU2005105234/03A priority Critical patent/RU2301320C2/en
Publication of RU2005105234A publication Critical patent/RU2005105234A/en
Application granted granted Critical
Publication of RU2301320C2 publication Critical patent/RU2301320C2/en

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Landscapes

  • Sealing Devices (AREA)
  • Pipeline Systems (AREA)

Claims (1)

Устройство дня герметизации устья скважины, содержащее установленный между верхним и нижним фланцами корпус с превентором, включающим запорный орган и приводные гидроцилиндры с механизмом для автоматического срабатывания превентора, который выполнен в виде связанного с полостью верхнего фланца патрубка, в котором установлен подпружиненный поршень со штоком и установленного в цилиндре золотника, который жестко связан со штоком и выполнен с проточками, причем цилиндр имеет связь с атмосферой, а полость нижнего фланца через проточки золотника связана с надпоршневой и подпоршневой полостями гидроцилиндров превентора, отличающееся тем, что оно снабжено гидроаккумулятором, который через проточки золотника связан с надпоршневой и подпоршневой полостями гидроцилиндров превентора, при этом связь полости нижнего фланца до золотника, и между связью с ним гидроаккумулятора снабжена обратным клапаном.A device for sealing the wellhead, comprising a housing installed between the upper and lower flanges with a preventer, including a shut-off element and drive hydraulic cylinders with a mechanism for automatically operating the preventer, which is made in the form of a pipe connected to the cavity of the upper flange, in which a spring-loaded piston with a rod is installed and installed in the cylinder of the spool, which is rigidly connected to the rod and made with grooves, moreover, the cylinder has a connection with the atmosphere, and the cavity of the lower flange through the grooves otnika linked to above the piston and subpiston cavities cylinders BOP, characterized in that it is provided with a hydraulic accumulator which, through the bore of the spool is connected to above the piston and subpiston cavities cylinders preventer, wherein the communication of the cavity of the lower flange to the spool, and between the communication with him accumulator is provided with a check valve.
RU2005105234/03A 2005-02-24 2005-02-24 Well head sealing device RU2301320C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2005105234/03A RU2301320C2 (en) 2005-02-24 2005-02-24 Well head sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2005105234/03A RU2301320C2 (en) 2005-02-24 2005-02-24 Well head sealing device

Publications (2)

Publication Number Publication Date
RU2005105234A true RU2005105234A (en) 2006-08-10
RU2301320C2 RU2301320C2 (en) 2007-06-20

Family

ID=37059134

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2005105234/03A RU2301320C2 (en) 2005-02-24 2005-02-24 Well head sealing device

Country Status (1)

Country Link
RU (1) RU2301320C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2347061C1 (en) * 2007-05-07 2009-02-20 Ринат Юсупович Шафеев Wellhead sealing device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2461698C1 (en) * 2011-04-08 2012-09-20 Федеральное государственное автономное образовательное учреждение высшего профессионального образования Сибирский федеральный университет (СФУ) Hydraulic actuator for multifunctional preventer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283039A (en) * 1980-06-05 1981-08-11 Nl Industries, Inc. Annular blowout preventer with upper and lower spherical sealing surfaces
SU1430500A1 (en) * 1986-12-24 1988-10-15 Предприятие П/Я А-3661 Blowout preventer control system
RU2008434C1 (en) * 1991-07-09 1994-02-28 Павел Леонтьевич Пшеничный Blowout preventer
RU2175709C2 (en) * 1997-06-05 2001-11-10 Научно-исследовательское и проектное предприятие "Траектория" Facility to seal well-head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2347061C1 (en) * 2007-05-07 2009-02-20 Ринат Юсупович Шафеев Wellhead sealing device

Also Published As

Publication number Publication date
RU2301320C2 (en) 2007-06-20

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Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20070225