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2 240 421

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IPC

(21) (22)

Application

2003106074/03, 2003-03-03

(24)

Start date

2003-03-03

(22)

Actual filing date

2003-03-03

(45)

Published

2004-11-20

(72)

Inventor

Rjabokon' S.A.Rjabova L.I.Nizhnik A.E.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Ob"EdinenieRjabokon' Sergej AleksandrovichRjabova Ljubov' IvanovnaNizhnik Aleksej Evstaf'Evich

COMPLEX REAGENT FOR AERATED CEMENT SOLUTIONS Russian patent published in 2004 - IPC

Abstract RU 2240421 C1

FIELD: oil and gas wells construction technology.

SUBSTANCE: reagent has pores forming agent - sulphonate and structure former from special support reagents series, with following ratio of component in percents of mass: sulphonate 90-99, support reagent 1-10.

EFFECT: higher efficiency.

2 ex, 1 tbl

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RU 2 240 421 C1

Authors

Rjabokon' S.A.

Rjabova L.I.

Nizhnik A.E.

Dates

2004-11-20—Published

2003-03-03—Filed