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2 112 862

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C1

(51)

IPC

(21) (22)

Application

96104084/03, 1996-02-29

(22)

Actual filing date

1996-02-29

(45)

Published

1998-06-10

(72)

Inventor

Kustyshev A.V.Ivash O.G.Mikhajlov N.V.

(73)

Holder

Tjumenskij Nauchno-Issledovatel'Skij I Proektnyj Institut Prirodnogo Gaza I Gazovykh Tekhnologij

PACKER Russian patent published in 1998 - IPC

Abstract RU 2112862 C1

FIELD: oil and gas production industry. SUBSTANCE: packer has body with sealing components, hollow barrel, slip sockets. Above and lower of sealing components, body is provided with radial holes. Hollow barrel forms circular space in combination with body and this is connected with outer space. Bush is seated in lower part of circular space. Bush closes lower radial holes and can be axially displaced for opening of lower radial holes. EFFECT: higher efficiency. 3 dwg

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RU 2 112 862 C1

Authors

Kustyshev A.V.

Ivash O.G.

Mikhajlov N.V.

Dates

1998-06-10—Published

1996-02-29—Filed

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