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2 089 716

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C1

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IPC

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Application

94022978/03, 1994-06-29

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Actual filing date

1994-06-29

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Published

1997-09-10

(72)

Inventor

Kondratjuk A.T.Temnov G.N.Vekesser V.A.Kuz'Michev N.D.Charykov V.F.Prokopenko T.I.Prosvirin A.A.Gorbunov A.T.Chujko A.I.Lazarev S.G.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF INSULATING ABSORPTION ZONES IN INJECTION WELLS Russian patent published in 1997 - IPC

Abstract RU 2089716 C1

FIELD: oil and gas production. SUBSTANCE: method involves pumping in water-swelling insulation agent through injection well. As such agent, wood flour with particle size up to 180 mcm is utilized. Wood flour is pumped in the form of 0.15-0.35% dispersion in water during the swelling period under stratum conditions. When capacity of injection strata is high enough, additional amount of 0.4-0.6% wood flour aqueous dispersion is pumped in. Pumping time is chosen equal to that of wood flour swelling. EFFECT: enhanced insolation of absorption zones. 2 cl

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RU 2 089 716 C1

Authors

Kondratjuk A.T.

Temnov G.N.

Vekesser V.A.

Kuz'Michev N.D.

Charykov V.F.

Prokopenko T.I.

Prosvirin A.A.

Gorbunov A.T.

Chujko A.I.

Lazarev S.G.

Dates

1997-09-10—Published

1994-06-29—Filed

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