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2 061 731

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Application

94005205/03, 1994-02-14

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Actual filing date

1994-02-14

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Published

1996-06-10

(72)

Inventor

Krysin N.I.Natsepinskaja A.M.Minaeva R.M.Grebneva F.N.Sukhikh Ju.M.Krapivina T.N.Soboleva T.I.

(73)

Holder

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

CLAYLESS DRILLING SOLUTION Russian patent published in 1996 - IPC

Abstract RU 2061731 C1

FIELD: drilling. SUBSTANCE: proposed drilling solution contains polyacrylamide, carboxymethyl cellulose, aluminium sulfate, potassium chloride, oil, surfactant and water within definite ranges. EFFECT: improves quality of desired product.

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RU 2 061 731 C1

Authors

Krysin N.I.

Natsepinskaja A.M.

Minaeva R.M.

Grebneva F.N.

Sukhikh Ju.M.

Krapivina T.N.

Soboleva T.I.

Dates

1996-06-10—Published

1994-02-14—Filed

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