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RU2002030C1 - Device for sealing drill string-casing annulus - Google Patents

Device for sealing drill string-casing annulus

Info

Publication number
RU2002030C1
RU2002030C1 SU5043206A RU2002030C1 RU 2002030 C1 RU2002030 C1 RU 2002030C1 SU 5043206 A SU5043206 A SU 5043206A RU 2002030 C1 RU2002030 C1 RU 2002030C1
Authority
RU
Russia
Prior art keywords
drill string
collar
casing annulus
sealing
housing
Prior art date
Application number
Other languages
Russian (ru)
Inventor
Рудольф Ервандович Газаров
Станислав Васильевич Ловчев
Original Assignee
Российско-американска нефтегазова компани "Ранко"
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 Российско-американска нефтегазова компани "Ранко" filed Critical Российско-американска нефтегазова компани "Ранко"
Priority to SU5043206 priority Critical patent/RU2002030C1/en
Application granted granted Critical
Publication of RU2002030C1 publication Critical patent/RU2002030C1/en

Links

Landscapes

  • Earth Drilling (AREA)

Claims (1)

Формула изобретени The claims УСТРОЙСТВО ДЛЯ ГЕРМЕТИЗАЦИИ МЕЖТРУБНОГО ПРОСТРАНСТВА СКВАЖИНЫ , содержащее св занный с колонной труб конический корпус с буртом на верхнем основании и самоуплотн ющуюс  манжету, установленную на корпусе с аоз ° 020306A DEVICE FOR SEALING A WELL BETWEEN SPACE, containing a conical housing connected to the pipe string with a collar on the upper base and a self-sealing sleeve mounted on the housing with aoz ° 020306 сложностью упора в его бурт, от л и зюиее- с  тем, что оно снабжало выполненной из полош r.MHfOeort пружиной сжатие, установленной ч: корпусе между буртом и са моуплотныощейс  манжетой причог-с внутренн   поверхность витков пружины зквидистанжа конической i,iaepvHOC rH корпуса.the complexity of the emphasis in its collar, from the point of view of the fact that it supplied a compression spring made of r.MHfOeort poloshki installed by the h: the housing between the collar and the self-tightening cuff caused the inner surface of the coil turns of the spring conical i, iaepvHOC rH case . 3&Ј/&. /3 & Ј / &. / II II ЯI AM Pfifff/fC.Pfifff / fC. .. pЈ/&2pЈ / & 2
SU5043206 1992-05-22 1992-05-22 Device for sealing drill string-casing annulus RU2002030C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU5043206 RU2002030C1 (en) 1992-05-22 1992-05-22 Device for sealing drill string-casing annulus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU5043206 RU2002030C1 (en) 1992-05-22 1992-05-22 Device for sealing drill string-casing annulus

Publications (1)

Publication Number Publication Date
RU2002030C1 true RU2002030C1 (en) 1993-10-30

Family

ID=21604740

Family Applications (1)

Application Number Title Priority Date Filing Date
SU5043206 RU2002030C1 (en) 1992-05-22 1992-05-22 Device for sealing drill string-casing annulus

Country Status (1)

Country Link
RU (1) RU2002030C1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2190750C2 (en) * 2000-10-10 2002-10-10 Дочерняя Компания "Укргазвыдобування" Device to seal internal space of tubing string in process of sinking or lifting from well under pressure
RU2234588C1 (en) * 2003-09-11 2004-08-20 Закрытое акционерное общество "Научно-производственная фирма Русской топливной компании "ЭКОС" Device for wellhead framing
RU2249093C1 (en) * 2003-09-11 2005-03-27 Общество с ограниченной ответственностью "ЛУКОЙЛ-ПЕРМЬ" Method for pressurization of inter-column space of oil and gas extractive well mouth between conductor and operation column and device for realization of said method
RU2269641C1 (en) * 2005-01-18 2006-02-10 Общество с ограниченной ответственностью "ЛУКОЙЛ-ПЕРМЬ" Wellhead equipment (variants)
RU2282709C2 (en) * 2004-03-17 2006-08-27 Общество с ограниченной ответственностью "Астраханьгазпром" Drilling string sealing device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Авторское свидетельство СС СР № 133439, кл Е 21 Ь 33/12 1960 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2190750C2 (en) * 2000-10-10 2002-10-10 Дочерняя Компания "Укргазвыдобування" Device to seal internal space of tubing string in process of sinking or lifting from well under pressure
RU2234588C1 (en) * 2003-09-11 2004-08-20 Закрытое акционерное общество "Научно-производственная фирма Русской топливной компании "ЭКОС" Device for wellhead framing
RU2249093C1 (en) * 2003-09-11 2005-03-27 Общество с ограниченной ответственностью "ЛУКОЙЛ-ПЕРМЬ" Method for pressurization of inter-column space of oil and gas extractive well mouth between conductor and operation column and device for realization of said method
RU2282709C2 (en) * 2004-03-17 2006-08-27 Общество с ограниченной ответственностью "Астраханьгазпром" Drilling string sealing device
RU2269641C1 (en) * 2005-01-18 2006-02-10 Общество с ограниченной ответственностью "ЛУКОЙЛ-ПЕРМЬ" Wellhead equipment (variants)

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