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2 061 717

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C1

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IPC

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Application

93043204/03, 1993-08-31

(22)

Actual filing date

1993-08-31

(45)

Published

1996-06-10

(72)

Inventor

Krysin N.I.Natsepinskaja A.M.Minaeva R.M.

(73)

Holder

Permskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj Promyshlennosti

DRILLING SOLUTION Russian patent published in 1996 - IPC

Abstract RU 2061717 C1

FIELD: drilling. SUBSTANCE: proposed drilling solution contains (mass %): clay powder 60-25.), polyacryl amide 0.008-0.80, lignosulfonate reagent 1.5-4.0 and water. EFFECT: improves quality of desired product.

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RU 2 061 717 C1

Authors

Krysin N.I.

Natsepinskaja A.M.

Minaeva R.M.

Dates

1996-06-10—Published

1993-08-31—Filed

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