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2 021 497

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Application

4750220/03, 1989-10-26

(22)

Actual filing date

1989-10-26

(45)

Published

1994-10-15

(72)

Inventor

Mirzadzhanzade A.Kh.Ametov I.M.Salavatov T.Sh.Mamedzade A.M.Degovtsov A.V.Shandin S.P.

(73)

Holder

Vserossijskij Neftegazovyj Nauchno-Issledovatel'Skij Institut

METHOD FOR INCREASE OF INTAKE CAPACITY OF INJECTION WELLS Russian patent published in 1994 - IPC

Abstract RU 2021497 C1

FIELD: oil producing industry. SUBSTANCE: injected through injection well is magnetized water in volume equalling pore space of bottom hole formation zone. Water is magnetized by its passing through lateral magnetic field with intensity of 3,7·103-4,3·103A/m A.m. After injection of water, it is left to stand until capillary impregnation of fine pores and pressure in well is increased and decreased many times. Magnetized water reduces swelling of clays and promotes increase of formation permeability. In combination with pressure increase and decrease, magnetized water penetrates into capillary pores of reservoir. EFFECT: higher efficiency. 4 dwg

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RU 2 021 497 C1

Authors

Mirzadzhanzade A.Kh.

Ametov I.M.

Salavatov T.Sh.

Mamedzade A.M.

Degovtsov A.V.

Shandin S.P.

Dates

1994-10-15—Published

1989-10-26—Filed

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