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2 139 985

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Application

98109128/03, 1998-05-06

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Start date

1998-05-06

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Actual filing date

1998-05-06

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Published

1999-10-20

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Inventor

Vjakhirev V.I.Ippolitov V.V.Dobrynin N.M.Akhmetov A.A.Urosov S.A.Frolov A.A.Rjabokon' A.A.Kljusov V.A.

(73)

Holder

Dooo Kompanija Rao

PLUGGING MATERIAL Russian patent published in 1999 - IPC

Abstract RU 2139985 C1

FIELD: oil and gas production industry. SUBSTANCE: this relates to materials used for isolation of water inflow to operating oil, gas, and gas-condensate wells. Plugging material includes binding component and modified by surface-active substance hydrocarbon liquid. Used in function of binding component is gypsum-alumina cement at following proportion of components, mas. %: gypsum-alumina cement 55-65, hydrocarbon liquid modified by surface-active substance - the balance. Application of aforesaid plugging material ensures shorter setting period of plugging solution and reduced water-permeability of core samples treated by plugging material. EFFECT: higher efficiency. 1 tbl

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RU 2 139 985 C1

Authors

Vjakhirev V.I.

Ippolitov V.V.

Dobrynin N.M.

Akhmetov A.A.

Urosov S.A.

Frolov A.A.

Rjabokon' A.A.

Kljusov V.A.

Dates

1999-10-20—Published

1998-05-06—Filed

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