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2 283 854

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(51)

IPC

C09K8/58(2006-01-01)

E21B43/22(2006-01-01)

(21) (22)

Application

2004137393/03, 2004-12-21

(24)

Start date

2004-12-21

(22)

Actual filing date

2004-12-21

(45)

Published

2006-09-20

(72)

Inventor

Shuvalov Anatolij Vasil'EvichNazmiev Il'Shat MirgazijanovichEmaletdinova Ljudmila DmitrievnaKamaletdinova Rezeda MinnisajrinovnaSadykov Rustem RavilevichKargapol'Tseva Tamara Alekseevna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Neftjanaja Kompanija

FORMATION PERMEABILITY CONTROL COMPOSITION Russian patent published in 2006 - IPC C09K8/58 E21B43/22

Abstract RU 2283854 C2

FIELD: oil and gas production.

SUBSTANCE: in a formation permeability control composition comprising aluminum salt solution (20-40 vol %) and alkali reagent, the latter is liquid zeolite production waste, namely mother liquor MP-X or MP-Y containing sodium silicate and admixture of corresponding zeolite NaX or NaY, pH of solution being 12-14.

EFFECT: enhanced plugging capability of composition due to increased volume of precipitate and reduced solubility thereof in formation water.

1 tbl, 4 ex

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RU 2 283 854 C2

Authors

Shuvalov Anatolij Vasil'Evich

Nazmiev Il'Shat Mirgazijanovich

Emaletdinova Ljudmila Dmitrievna

Kamaletdinova Rezeda Minnisajrinovna

Sadykov Rustem Ravilevich

Kargapol'Tseva Tamara Alekseevna

Dates

2006-09-20—Published

2004-12-21—Filed