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2 229 495

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IPC

(21) (22)

Application

2002120946/03, 2002-07-30

(24)

Start date

2002-07-30

(22)

Actual filing date

2002-07-30

(45)

Published

2004-05-27

(72)

Inventor

Lukmanov R.R.Lukmanova R.Z.Akhmetshin R.Z.Nasifullin D.S.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Sibir'" Tjumenskaja Obl., G. Kogalym, Ul. Pribaltijskaja,

DRILLING MUD Russian patent published in 2004 - IPC

Abstract RU 2229495 C2

FIELD: drilling fluids. SUBSTANCE: water-based drilling mud for making horizontal holes containing, wt %: mud powder 2.0-2.5, chalk 4.0, polyanionic cellulose 1.0-1.2, potash alum 0.15-0.25, and hydrolyzed polyacrylonitrile 0.08-0.10 contains additionally organosilicon liquid 0.10-0.15 and potassium chloride 3.0-3.5. EFFECT: improved quality of drilling mud due improved rheological properties thereof: nonlinearity index and rheological criterion with the aid of easily accessible and environmentally safe reagents. 1 tbl

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RU 2 229 495 C2

Authors

Lukmanov R.R.

Lukmanova R.Z.

Akhmetshin R.Z.

Nasifullin D.S.

Dates

2004-05-27—Published

2002-07-30—Filed