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RU2002124794A - WELL MOUNT SEALER - Google Patents

WELL MOUNT SEALER

Info

Publication number
RU2002124794A
RU2002124794A RU2002124794/03A RU2002124794A RU2002124794A RU 2002124794 A RU2002124794 A RU 2002124794A RU 2002124794/03 A RU2002124794/03 A RU 2002124794/03A RU 2002124794 A RU2002124794 A RU 2002124794A RU 2002124794 A RU2002124794 A RU 2002124794A
Authority
RU
Russia
Prior art keywords
cover
housing
sealer
cavity
power cylinder
Prior art date
Application number
RU2002124794/03A
Other languages
Russian (ru)
Other versions
RU2232253C2 (en
Inventor
Александр Георгиевич Молчанов
Олег Владимирович Могильников
Рафаэль Яковлевич Шварев
Original Assignee
Открытое акционерное общество специального машиностроени и металлургии "Мотовилихинские заводы"
Открытое акционерное общество специального машиностроения и металлургии "Мотовилихинские заводы"
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 Открытое акционерное общество специального машиностроени и металлургии "Мотовилихинские заводы", Открытое акционерное общество специального машиностроения и металлургии "Мотовилихинские заводы" filed Critical Открытое акционерное общество специального машиностроени и металлургии "Мотовилихинские заводы"
Priority to RU2002124794/03A priority Critical patent/RU2232253C2/en
Publication of RU2002124794A publication Critical patent/RU2002124794A/en
Application granted granted Critical
Publication of RU2232253C2 publication Critical patent/RU2232253C2/en

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)

Claims (1)

Герметизатор устья скважины, содержащий корпус с крышкой, силовой цилиндр с расположенным в корпусе полым штоком и поршнем, разделяющим его на ближнюю и дальнюю от крышки рабочие полости, и уплотнитель, расположенный в полости корпуса между крышкой и полым штоком, отличающийся тем, что полый шток снабжен продольными плунжерами, установленными в выполненных в этом штоке сквозных отверстиях, которые соединяют дальнюю от крышки рабочую полость силового цилиндра и полость корпуса, в которой расположен уплотнитель, при этом плунжеры снабжены ограничителями их перемещения в сторону, противоположную уплотнителю.A wellhead sealant comprising a housing with a cover, a power cylinder with a hollow rod and a piston located in the housing separating it into the working cavities near and far from the cover, and a seal located in the housing cavity between the cover and the hollow rod, characterized in that the hollow stem equipped with longitudinal plungers installed in through holes made in this rod, which connect the working cavity of the power cylinder farthest from the cover and the housing cavity in which the seal is located, while the plungers are provided limiters of their movement in the direction opposite to the sealant.
RU2002124794/03A 2002-09-17 2002-09-17 Device for sealing well mouth RU2232253C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002124794/03A RU2232253C2 (en) 2002-09-17 2002-09-17 Device for sealing well mouth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002124794/03A RU2232253C2 (en) 2002-09-17 2002-09-17 Device for sealing well mouth

Publications (2)

Publication Number Publication Date
RU2002124794A true RU2002124794A (en) 2004-03-20
RU2232253C2 RU2232253C2 (en) 2004-07-10

Family

ID=33412949

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002124794/03A RU2232253C2 (en) 2002-09-17 2002-09-17 Device for sealing well mouth

Country Status (1)

Country Link
RU (1) RU2232253C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2324805C2 (en) * 2005-12-16 2008-05-20 Марат Минниахметович Мусин Wellhead sealing unit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827487A (en) * 1973-04-30 1974-08-06 Baker Oil Tools Inc Tubing injector and stuffing box construction
US4307783A (en) * 1980-01-25 1981-12-29 Schlumberger Technology Corporation Method and apparatus for conducting wireline operations during blowout conditions in oil and gas wells
US4697693A (en) * 1984-04-23 1987-10-06 Kimberly-Clark Corporation Conveying systems
RU2047733C1 (en) * 1992-03-31 1995-11-10 Разживин Дмитрий Владимирович Universal blowout preventer
US5875851A (en) * 1996-11-21 1999-03-02 Halliburton Energy Services, Inc. Static wellhead plug and associated methods of plugging wellheads

Also Published As

Publication number Publication date
RU2232253C2 (en) 2004-07-10

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Legal Events

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

Effective date: 20140918