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2 075 593

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C1

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IPC

(21) (22)

Application

95102692/03, 1995-02-23

(22)

Actual filing date

1995-02-23

(45)

Published

1997-03-20

(72)

Inventor

Minibaev Sh.Kh.Panarin A.T.Sadykov I.F.Antipov V.N.Arkhipov V.G.

(73)

Holder

Minibaev Shamil' KhamitovichSadykov Il'Giz FatykhovichAntipov Vitalij NikolaevichEsipov Anatolij Viktorovich

DEVICE FOR EXPOSING AND TREATMENT OF BOTTOM FACE ZONE OF WELL Russian patent published in 1997 - IPC

Abstract RU 2075593 C1

FIELD: oil and gas industry. SUBSTANCE: device has cumulative-action perforator with hermetically sealed side openings. Perforator is also provided with head-piece, end-piece and air chamber with atmospheric pressure. Air chamber is positioned between head-piece and perforator body and is hydraulically connected with it. Side openings in body are opened due to explosion of single cumulative charge. EFFECT: increased reliability. 1 dwg

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RU 2 075 593 C1

Authors

Minibaev Sh.Kh.

Panarin A.T.

Sadykov I.F.

Antipov V.N.

Arkhipov V.G.

Dates

1997-03-20—Published

1995-02-23—Filed

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