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2 047 757

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Application

93001436/03, 1993-01-11

(22)

Actual filing date

1993-01-11

(45)

Published

1995-11-10

(72)

Inventor

Kateev I.S.Zhzhonov V.G.Kateev R.I.Nenarokov S.Ju.Moskvicheva N.T.Golik G.A.

(73)

Holder

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

COMPOSITION FOR TREATMENT OF WELL BOTTOM HOLE AREA OF FORMATION Russian patent published in 1995 - IPC

Abstract RU 2047757 C1

FIELD: oil producing industry. SUBSTANCE: composition for treatment of well bottom hole area contains (% mass): nitriletrimethylphosphonic acid 0.005-0.150, dichloride-bis-(N, N-dimethyl-N-carbodecoxymethyl-N-ethylene ammonium) sulfide 0.1-0.5, and water the rest. EFFECT: lower interphase tension at boundary with oil. 1 tbl

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RU 2 047 757 C1

Authors

Kateev I.S.

Zhzhonov V.G.

Kateev R.I.

Nenarokov S.Ju.

Moskvicheva N.T.

Golik G.A.

Dates

1995-11-10—Published

1993-01-11—Filed

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