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2 170 243

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Application

2000100838/03, 2000-01-17

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Start date

2000-01-17

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Actual filing date

2000-01-17

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Published

2001-07-10

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Inventor

Umutbaev V.N.Andreson B.A.Bochkarev G.P.Mudarisov M.I.Ionov V.I.Chetvertneva I.A.Chelpanova T.V.

(73)

Holder

Institut Problem Neftekhimpererabotki An Respubliki Bashkortostan

LUBRICATING ADDITIVE FOR WATER-BASED DRILLING MUD Russian patent published in 2001 - IPC

Abstract RU 2170243 C1

FIELD: oil and gas production. SUBSTANCE: additive including monoethanolamine and tall oils (10.0-12.0% in total), oxal or polyglycols additionally contains 5.0-20.0% of toluene. EFFECT: improved lubricating and antifastening properties and improved coefficient of restoration of initial permeability due to increased inhibitory and waterproofing capability of solution filtrate. 3 tbl

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RU 2 170 243 C1

Authors

Umutbaev V.N.

Andreson B.A.

Bochkarev G.P.

Mudarisov M.I.

Ionov V.I.

Chetvertneva I.A.

Chelpanova T.V.

Dates

2001-07-10—Published

2000-01-17—Filed

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