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2 225 940

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Application

2002134991/03, 2002-12-25

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Start date

2002-12-25

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Actual filing date

2002-12-25

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Published

2004-03-20

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Inventor

Zakirov A.F.Khaliullin F.F.Taipova V.A.Mukhamadiev R.S.Prosvirin A.A.Minibaev Sh.Kh.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Im. V.D. Shashina

METHOD FOR TREATING WELL COLLAR AREA Russian patent published in 2004 - IPC

Abstract RU 2225940 C1

FIELD: oil extracting industry. SUBSTANCE: method includes perforation of well, implosive effecting and well opening up. While performing implosive effecting, perforation of one aperture with not enough gunpowder gas for filling implosion enclosure is done. Simultaneously gunpowder gases expansion into implosion enclosure is screened for directing said gases mostly for forming said aperture. During the operation implosive effecting is done without forming a repulsive shock wave. EFFECT: increased perforated apertures cleaning effectiveness. 1 ex

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RU 2 225 940 C1

Authors

Zakirov A.F.

Khaliullin F.F.

Taipova V.A.

Mukhamadiev R.S.

Prosvirin A.A.

Minibaev Sh.Kh.

Dates

2004-03-20—Published

2002-12-25—Filed

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