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2 043 487

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IPC

(21) (22)

Application

5054003/03, 1992-07-10

(22)

Actual filing date

1992-07-10

(45)

Published

1995-09-10

(72)

Inventor

Gusev Sergej VladimirovichMazaev Vladimir VladimirovichSalmin Aleksandr Valer'EvichKoval' Jaroslav Grigor'EvichKol'Chugin Igor' StanislavovichGusev Aleksandr Vital'EvichKuznetsov Vitalij Ivanovich

(73)

Holder

Gusev Sergej VladimirovichMazaev Vladimir VladimirovichSalmin Aleksandr Valer'EvichKoval' Jaroslav Grigor'EvichKol'Chugin Igor' StanislavovichGusev Aleksandr Vital'EvichKuznetsov Vitalij Ivanovich

COMPOUND FOR STIMULATION OF FORMATION OIL RECOVERY Russian patent published in 1995 - IPC

Abstract RU 2043487 C1

FIELD: oil producing industry. SUBSTANCE: compound for stimulation of formation oil recovery includes nonionic surfactant, alkali additive and water. Alkali additive is used in form of sulfate effluents of production of sulfonate additives. Compound contains, mas. water-soluble nonionic surfactant 0.02-4.0; sulfate effluents of production of sulfonate additives 10.0-60.0; the balance, water. EFFECT: higher efficiency. 1 tbl

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RU 2 043 487 C1

Authors

Gusev Sergej Vladimirovich

Mazaev Vladimir Vladimirovich

Salmin Aleksandr Valer'Evich

Koval' Jaroslav Grigor'Evich

Kol'Chugin Igor' Stanislavovich

Gusev Aleksandr Vital'Evich

Kuznetsov Vitalij Ivanovich

Dates

1995-09-10—Published

1992-07-10—Filed