DRILLED-OUT PACKER Russian patent published in 1994 - IPC

Abstract RU 2011792 C1

FIELD: gas and oil industry. SUBSTANCE: for reliable fixing of sealing member in compressed state packer is provided with tool extractor made fast to face of sealing member and end rigidly coupled to sleeve. Sleeve has inner cone protrusion on upper face. Spring-loaded cams fixing working position of sealing element are installed in radial windows of borehole for interaction under operating condition of sealing member with upper face of inner cone protrusion of sleeve. EFFECT: enhanced reliability of fixing of sealing member. 1 dwg

Similar patents RU2011792C1

Title	Year	Author	Number
DRILLABLE PACKER	2005	Mashkov Viktor Alekseevich Kustov Vladimir Vasil'Evich Kulish Dmitrij Nikolaevich Piven' Oleg Aleksandrovich Andrianov Grigorij Vjacheslavovich Mikhajlishin Petr Bogdanovich	RU2304694C2
PACKER	1991	Enikeev M.D.	RU2011793C1
DRILLABLE PACKER	2006	Mashkov Viktor Alekseevich Kustov Vladimir Vasil'Evich Kulish Dmitrij Nikolaevich Piven' Oleg Aleksandrovich Andrianov Grigorij Vjacheslavovich	RU2344270C2
DRILLABLE PACKER	2011	Beketov Sergej Borisovich Karapetov Rustam Valer'Evich Akopov Arsen Sergeevich Mashkov Viktor Alekseevich Velichko Igor' Aleksandrovich	RU2483192C1
DRILLABLE PACKER	2012	Beketov Sergej Borisovich Mashkov Viktor Alekseevich	RU2507375C1
PACKER	1991	Enikeev M.D.	RU2011794C1
PACKER	1992	Khajrullin B.Ju. Vitjazev O.L. Rybolovlev V.P.	RU2049223C1
DRILLABLE MECHANICAL PACKER	2003	Beketov S.B. Shul'Ev Ju.V. Korshunov V.N. Kulish D.N.	RU2236556C1
DRILLABLE PACKER	2009	Makhmutov Il'Gizar Khasimovich Strakhov Dmitrij Vital'Evich Zijatdinov Radik Zjauzjatovich Asadullin Marat Fagimovich Osnos Vladimir Borisovich	RU2405911C1
MECHANICAL PACKER (VERSIONS)	2011	Aminev Marat Khusnullovich Shibeev Ivan Vasil'Evich	RU2490423C2

RU 2 011 792 C1

Authors

Enikeev M.D.

Dates

1994-04-30—Published

1991-07-24—Filed