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2 044 754

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Application

93016201/03, 1993-03-29

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Actual filing date

1993-03-29

(45)

Published

1995-09-27

(72)

Inventor

Glushchenko Viktor Nikolaevich[Ua]Pozdeev Oleg Veniaminovich[Ru]Rakhimkulov Ravil' Sadykovich[Ru]Golubtsov Anatolij Mikhajlovich[Ru]

(73)

Holder

Permskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj PromyshlennostiNeftegazodobyvajushchee Upravlenie Proizvodstvennogo Ob"Edinenija

STRUCTURED COMPOUND FOR WELL REPAIR Russian patent published in 1995 - IPC

Abstract RU 2044754 C1

FIELD: oil and gas production. SUBSTANCE: structurized compound for well repair contains technical lignosulfonates with density of 1200 kg/m3, 20-24% solution of hydrochloric acid and mineralized water. EFFECT: imparted values of static shear stress to compound and ability of decolmatage of bottom-hole formation zone from iron oxides and increased viscosity of compound and its reduced filtration ability. 2 cl, 1 tbl

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RU 2 044 754 C1

Authors

Glushchenko Viktor Nikolaevich[Ua]

Pozdeev Oleg Veniaminovich[Ru]

Rakhimkulov Ravil' Sadykovich[Ru]

Golubtsov Anatolij Mikhajlovich[Ru]

Dates

1995-09-27—Published

1993-03-29—Filed

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