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2 142 558

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IPC

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Application

97122231/03, 1997-12-23

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Start date

1997-12-23

(22)

Actual filing date

1997-12-23

(45)

Published

1999-12-10

(72)

Inventor

Dobroskok B.E.Kubareva N.N.Musabirov R.Kh.Muslimov R.Kh.Sulejmanov Eh.I.Nenarokov S.Ju.Jusupov I.G.Ganeeva Z.M.Abrosimova N.N.

(73)

Holder

Aktsionernoe Obshchestvo Tatarskij Nauchno-Issledovatel'Skij I Proektnyj Institut Nefti

COMPOUND FOR REGULATION OF INJECTION WELLS INJECTIVITY PROFILE Russian patent published in 1999 - IPC

Abstract RU 2142558 C1

FIELD: regulation of injectivity profile of injection wells and water shutoff in producing wells. SUBSTANCE: compound contains sodium silicate and clay suspension with density of 1.1-1.3 g/cu.cm with the following amounts of components, wt.%: sodium silicate 7-50; clay suspension with density of 1.1-1.3 g/cu.cm 50- 93. EFFECT: higher efficiency of compound due to optimal time of gel formation and high structural and mechanical property of formed gels. 2 tbl

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RU 2 142 558 C1

Authors

Dobroskok B.E.

Kubareva N.N.

Musabirov R.Kh.

Muslimov R.Kh.

Sulejmanov Eh.I.

Nenarokov S.Ju.

Jusupov I.G.

Ganeeva Z.M.

Abrosimova N.N.

Dates

1999-12-10—Published

1997-12-23—Filed