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2 041 907

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C1

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IPC

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Application

4934512/03, 1991-05-07

(22)

Actual filing date

1991-05-07

(45)

Published

1995-08-20

(72)

Inventor

Andreson B.A.Abdrakhmanov R.G.Bochkarev G.P.Sharipov A.U.Rekin A.S.Labazov A.V.

(73)

Holder

Andreson Boris Arnol'DovichAbdrakhmanov Rafaehl' Gafurovich

METHOD OF TREATMENT OF AQUEOUS-BASE DRILLING LIQUIDS Russian patent published in 1995 - IPC

Abstract RU 2041907 C1

FIELD: drilling of oil and gas holes. SUBSTANCE: reagent ДСБ-4ТТ at concentration 1.0-5.0% is added to the aqueous-base drilling liquid to decrease viscosity. This reagent is a product of interaction of flotoreagent oxalo, monoethanolamine, monoethanolamine salt of crude tall oils and kerosene. EFFECT: improved method of drilling liquid treatment. 2 tbl

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RU 2 041 907 C1

Authors

Andreson B.A.

Abdrakhmanov R.G.

Bochkarev G.P.

Sharipov A.U.

Rekin A.S.

Labazov A.V.

Dates

1995-08-20—Published

1991-05-07—Filed

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