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2 223 297

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IPC

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Application

2001120850/03, 2001-07-25

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Start date

2001-07-25

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Actual filing date

2001-07-25

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Published

2004-02-10

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Inventor

Andreson B.A.Bochkarev G.P.Giljazov R.M.Umutbaev V.N.Chetvertneva I.A.Samatov R.M.Rakhmatullin R.K.Grinevskij I.N.

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Holder

Dochernee Obshchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Issledovatel'Skij I Proektnyj Institut Nefti" Oao Ank

LUBRICATING ADDITIVE FOR WATER-BASED DRILLING MUD Russian patent published in 2004 - IPC

Abstract RU 2223297 C2

FIELD: oil and gas production. SUBSTANCE: additive contains 10-12% crude tallow oil monoethanolamine salt, 10-30% solvent or nephros, and oxal (to 100%). EFFECT: improved lubricating and anti-wear properties. 4 tbl

Similar patents RU2223297C2

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RU 2 223 297 C2

Authors

Andreson B.A.

Bochkarev G.P.

Giljazov R.M.

Umutbaev V.N.

Chetvertneva I.A.

Samatov R.M.

Rakhmatullin R.K.

Grinevskij I.N.

Dates

2004-02-10—Published

2001-07-25—Filed