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2 307 145

(13)

(51)

IPC

C09K8/467(2006-01-01)

G05D21/00(2006-01-01)

C04B40/00(2006-01-01)

(21) (22)

Application

2006103700/03, 2006-02-08

(24)

Start date

2006-02-08

(22)

Actual filing date

2006-02-08

(45)

Published

2007-09-27

(72)

Inventor

Mjazhitov Rafaehl' SjaitovichKarimov Il'Shat NazifovichAlibaev Il'Dar AbdulkhaevichAgzamov Farit Akramovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Tekhnologii"

METHOD FOR CONTROLLING HARDENING SPEED OF CEMENT SOLUTIONS Russian patent published in 2007 - IPC C09K8/467 G05D21/00 C04B40/00

Abstract RU 2307145 C1

FIELD: oil and gas industry, in particular, cementation materials used during reinforcement of oil and gas wells.

SUBSTANCE: for controlling solidification of cementing solutions, solidification accelerator is injected into dry cement, placed in protective cover, with dissolves during hydration of clinker minerals of cement.

EFFECT: prevented premature solidification of cementing solution, shorter time between end of cementing operation and solidification of solution, prevented complications during cementing.

1 tbl, 5 ex

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RU 2 307 145 C1

Authors

Mjazhitov Rafaehl' Sjaitovich

Karimov Il'Shat Nazifovich

Alibaev Il'Dar Abdulkhaevich

Agzamov Farit Akramovich

Dates

2007-09-27—Published

2006-02-08—Filed