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2 249 089

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IPC

(21) (22)

Application

2003127168/03, 2003-09-08

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Start date

2003-09-08

(22)

Actual filing date

2003-09-08

(45)

Published

2005-03-27

(72)

Inventor

Lukmanov R.R.Lukmanova R.Z.Babushkin Eh.V.Popov V.N.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Kogalymskij Nauchno-Issledovatel'Skij I Proektnyj Institut Nefti

WELL DRILLING METHOD Russian patent published in 2005 - IPC

Abstract RU 2249089 C1

FIELD: oil and gas industry.

SUBSTANCE: method includes drilling with washing of well face by polymer-argillaceous drilling mud with following admixture of filler with mudding properties into it, as said filler 1-10% of mud volume of dolomite or quartz powder is injected, containing evenly distributed small particles of size from 0.001 to 1 mm, and concurrently with washing of face, well walls are effected with high-pressure jet of drilling mud, containing said filler with mudding properties, for that assembly of lower portion of drilling tool includes a sub with side hydro-monitoring headpiece.

EFFECT: higher efficiency, higher effectiveness.

1 ex, 4 tbl

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RU 2 249 089 C1

Authors

Lukmanov R.R.

Lukmanova R.Z.

Babushkin Eh.V.

Popov V.N.

Dates

2005-03-27—Published

2003-09-08—Filed