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2 756 993

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(51)

IPC

C09K8/467(2006-01-01)

C04B28/04(2006-01-01)

E21B33/138(2006-01-01)

(21) (22)

Application

2020142410, 2020-12-21

(24)

Start date

2020-12-21

(22)

Actual filing date

2020-12-21

(45)

Published

2021-10-08

(72)

Inventor

Karimov Ilshat NazifovichAgzamov Farit AkramovichMaskenov Arman SuraganovichMyazhitov Rafael Syaitovich

(73)

Holder

Myazhitova Elena Evgenevna

GROUTING MATERIAL Russian patent published in 2021 - IPC C09K8/467 C04B28/04 E21B33/138

Abstract RU 2756993 C1

FIELD: oil and gas industry.

SUBSTANCE: invention relates to the oil and gas industry, and specifically to the field of obtaining special cements, namely grouting materials for fixing oil and gas wells. The grouting material includes grouting Portland cement and a swelling additive, in particular a swelling rubber treated with water repellent C₁₂-C₁₄ and subjected to disintegrator treatment, with the following component ratio, wt. %: grouting Portland cement 97-99, swelling rubber 1-3, water repellent C₁₂-C₁₄, 0.05-0.5 at over 100%.

EFFECT: create a grouting material capable of self-healing after a violation of its integrity.

1 cl, 1 tbl

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RU 2 756 993 C1

Authors

Karimov Ilshat Nazifovich

Agzamov Farit Akramovich

Maskenov Arman Suraganovich

Myazhitov Rafael Syaitovich

Dates

2021-10-08—Published

2020-12-21—Filed