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2 132 351

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IPC

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Application

97108495/03, 1997-05-22

(22)

Actual filing date

1997-05-22

(45)

Published

1999-06-27

(72)

Inventor

Andreson B.A.Bochkarev G.P.Mudarisov M.I.Fatkhutdinov I.Kh.Ogarkova Eh.I.

(73)

Holder

Aktsionernaja Neftjanaja Kompanija Bashneft'

DRILLING MUD FOR DRILLING LOOSE ROCK Russian patent published in 1999 - IPC

Abstract RU 2132351 C1

FIELD: oil and gas production. SUBSTANCE: drilling mud contains, wt.%: clay, 10-20; stabilizing reagent, 0.3-1.0; liquid glass, 5-7; potassium chloride, 3-5; polyglycol, 3-7; water, the balance. EFFECT: several times increased strengthening and inhibitory properties. 3 tbl, 3 ex

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RU 2 132 351 C1

Authors

Andreson B.A.

Bochkarev G.P.

Mudarisov M.I.

Fatkhutdinov I.Kh.

Ogarkova Eh.I.

Dates

1999-06-27—Published

1997-05-22—Filed

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