OVERLAPPING AID FOR PACKER Russian patent published in 2004 - IPC

Abstract RU 2223384 C2

FIELD: oil and gas industry. SUBSTANCE: invention is related for equipment for protection of collar of packer against flow of rubber in annular gap between wall of casing string and body of packer. Overlapping aid includes moving-apart members put on rod above and bellow sealing member with cones and bases. Moving-apart members have protrusions entering undercut in base and annular groove locating elastic ring placed in it with tension fit. Number of moving-apart members amounts to four. EFFECT: increased functional reliability of aid, diminished gaps between moving-apart members, increased precision of following of internal surface of casing string. 4 dwg

Similar patents RU2223384C2

Title	Year	Author	Number
SET OF SLIDING SUPPORTS FOR PACKER	2012	Nagumanov Marat Mirsatovich	RU2513609C1
MECHANICAL PACKER (VERSIONS)	2011	Aminev Marat Khusnullovich Shibeev Ivan Vasil'Evich	RU2490423C2
UNIT FOR PROTECTION OF SEALING ELEMENT OF PACKER FROM RUBBER INFLOW INTO ANNULAR GAP BETWEEN WALL OF CASING STRING AND PACKER BODY	2023	Melentev Mikhail Nikolaevich	RU2820643C1
PACKING UNIT FOR PACKER	2012	Nagumanov Marat Mirsatovich Shibeev Ivan Vasil'Evich	RU2495228C1
DRILLABLE PACKER	2012	Beketov Sergej Borisovich Mashkov Viktor Alekseevich	RU2507375C1
DRILLABLE PACKER	2006	Mashkov Viktor Alekseevich Kustov Vladimir Vasil'Evich Kulish Dmitrij Nikolaevich Piven' Oleg Aleksandrovich Andrianov Grigorij Vjacheslavovich	RU2344270C2
PACKER SEAL AND PACKER WITH SUCH ELEMENT	2013	Andrjakov Evgenij Ivanovich	RU2564718C2
PACKER	2001	Bujko K.V. Mishin V.I. Ledjashov O.A. Shtakhov E.N.	RU2209926C2
CEMENTED LINER HANGER PACKER	2021	Miroshkin Mikhail Alekseevich	RU2763156C1
HEAT-RESISTANT PACKER	2002	Korshunov V.N. Mashkov V.A. Shchapin V.M.	RU2267003C2

RU 2 223 384 C2

Authors

Baboshkin N.N.

Serdjuk V.I.

Dates

2004-02-10—Published

2002-01-21—Filed