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2 182 961

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IPC

(21) (22)

Application

99108401/03, 1999-04-28

(24)

Start date

1999-04-28

(22)

Actual filing date

1999-04-28

(45)

Published

2002-05-27

(72)

Inventor

Sergienko M.P.Rylov N.I.Sharov A.A.Ishkaev R.K.Khusainov V.M.Kosolapov A.K.Tsirul' V.V.Zakharova G.I.Khusainov A.Kh.Khanipov R.V.Isangulov K.I.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

WELL BORING PERFORATOR Russian patent published in 2002 - IPC

Abstract RU 2182961 C2

FIELD: oil and gas producing industry, particularly, devices used in perforation of producing formations. SUBSTANCE: well boring perforator includes a cylindrical body, body hanger in the form of logging cable, drill in the form of hollow rod with a milling cutter at its end, rotary unit, unit for drill feed to well wall and unit for oriented turning of drill. The latter is accommodated inside the body and made in the form of Maltese crosses. Its inlet link is connected with the drill feed unit. The perforator has a flushing unit for supply of mud to zone of rock drilling by a drill through its hollow rod and also a mechanism of pressing the body to well wall. Body part accommodating the drill feed unit, rotation transmission unit and unit of drill oriented turning is installed for full turning round central axis of the body. The drill rod is made in the form of assembled branch pipes with connecting members at their ends located in holders and supplied to the drill feed unit with the help of a divider. EFFECT: increased depth of boring of perforation channels. 9 dwg

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RU 2 182 961 C2

Authors

Sergienko M.P.

Rylov N.I.

Sharov A.A.

Ishkaev R.K.

Khusainov V.M.

Kosolapov A.K.

Tsirul' V.V.

Zakharova G.I.

Khusainov A.Kh.

Khanipov R.V.

Isangulov K.I.

Dates

2002-05-27—Published

1999-04-28—Filed