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2 242 596

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IPC

(21) (22)

Application

2002124747/03, 2002-09-17

(24)

Start date

2002-09-17

(22)

Actual filing date

2002-09-17

(45)

Published

2004-12-20

(72)

Inventor

Pavlychev V.N.Umetbaev V.G.Prokshina N.V.Nazmetdinov R.M.Emaletdinova L.D.Strizhnev K.V.Plotnikov I.G.Vagapov R.R.Prokshina E.G.Kamaletdinova R.M.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Neftjanaja Kompanija

METHOD OF TREATING BOTTOM ZONE OF WATERED FORMATION Russian patent published in 2004 - IPC

Abstract RU 2242596 C2

FIELD: oil and gas production.

SUBSTANCE: method envisages injecting suspension of powderlike polypropylene in carrying liquid into formation followed by exposure time for 24-48 h, said powderlike polypropylene being intermediate product in polypropylene production containing, wt parts x 10⁶: titanium 1.3-2.0, magnesium 8.0-12.0, aluminum 40.0-60.0, chlorine 24.0-38.0. Content of such polypropylene in carrying liquid ranges from 1 to 5%. Suspension is injected in amount 0.3-1.0 m³ per each linear meter of effective zone in formation thickness. Injection is effected at pressure 3 to 15 MPa.

EFFECT: reduced taking away polymer particles from well during oil production.

6 cl, 2 tbl

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RU 2 242 596 C2

Authors

Pavlychev V.N.

Umetbaev V.G.

Prokshina N.V.

Nazmetdinov R.M.

Emaletdinova L.D.

Strizhnev K.V.

Plotnikov I.G.

Vagapov R.R.

Prokshina E.G.

Kamaletdinova R.M.

Dates

2004-12-20—Published

2002-09-17—Filed