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2 262 525

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IPC

(21) (22)

Application

2004112183/03, 2004-04-22

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Start date

2004-04-22

(22)

Actual filing date

2004-04-22

(45)

Published

2005-10-20

(72)

Inventor

Grinevskij I.N.Mikheev V.L.Rakhmatullin R.K.Radchenko S.S.Karelina N.N.Parshukov N.N.

(73)

Holder

Oao Npo Tekhnika"

AQUEOUS-BASE LUBRICANT POWDERY ADDITIVE FOR DRILLING MUD Russian patent published in 2005 - IPC

Abstract RU 2262525 C1

FIELD: petroleum and gas industry, drilling.

SUBSTANCE: invention relates to aqueous-base drilling mud. An aqueous-base lubricant powdery additive for drilling mud comprises the following components, wt.-%: mixture of saturated carboxylic acid sodium salts and non-ionogenic surface-active substance - "Sprint", 35-40; sulfonated bitumen, 55-60; carboxymethyl polymer, for example, KAMTSEL PA-1000, 3.8-4.2; lignosulfonated polymer, for example, BREG-2K, 0.5-0.8; froth breaker, for example, nitriltrimethylene phosphonic acid, 0.30-0.35. Invention provides enhancing lubricant and anti-catching properties of the drilling mud additive in treatment, elimination of foam formation in simultaneous improvement of technological indices of drilling mud.

EFFECT: improved and valuable properties of drilling mud.

2 tbl, 1 ex

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RU 2 262 525 C1

Authors

Grinevskij I.N.

Mikheev V.L.

Rakhmatullin R.K.

Radchenko S.S.

Karelina N.N.

Parshukov N.N.

Dates

2005-10-20—Published

2004-04-22—Filed