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2 101 318

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IPC

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Application

94039216/03, 1994-10-18

(22)

Actual filing date

1994-10-18

(45)

Published

1998-01-10

(72)

Inventor

Andreson B.A.Utjaganov I.V.Khafizov A.M.Koshljak V.A.Bulgakov R.B.Kabirov B.Z.

(73)

Holder

Andreson Boris Arnol'DovichKhafizov Ajrat Minigaleevich

METHOD OF TREATING DRILLING MUD Russian patent published in 1998 - IPC

Abstract RU 2101318 C1

FIELD: oil and gas production. SUBSTANCE: invention aims at increasing resistivity of drilling mud and oil-bearing minerals and raising permeability of well bottom zone. The aim is achieved when treating drilling mud with water-repellent additive based on organosilicon compounds and tall oils in 1: 1 proportion. EFFECT: improved quality and reliability of defining oil- saturation extents and preserved as much as possible natural permeability of well bottom zone. 2 tbl

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RU 2 101 318 C1

Authors

Andreson B.A.

Utjaganov I.V.

Khafizov A.M.

Koshljak V.A.

Bulgakov R.B.

Kabirov B.Z.

Dates

1998-01-10—Published

1994-10-18—Filed

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