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2 802 474

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C1

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IPC

C09K8/467(2006-01-01)

E21B33/138(2006-01-01)

C04B111/20(2006-01-01)

(21) (22)

Application

2023106895, 2023-03-22

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Start date

2023-03-22

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Actual filing date

2023-03-22

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Published

2023-08-29

(72)

Inventor

Flyag Natalya VladimirovnaRechapov Danir AkhatovichSukhova Natalya ValerievnaSenyushkin Sergej ValerevichMamedov Kamil Kazym OglyRoder Svetlana AleksandrovnaPermitin Andrej Gennadevich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu Proektirovanie"

GYPSUM CEMENT GROUTING SOLUTION Russian patent published in 2023 - IPC C09K8/467 E21B33/138 C04B111/20 

Abstract RU 2802474 C1

FIELD: oil and gas industry.

SUBSTANCE: invention relates to the oil and gas industry, in particular to grouting solutions designed to create insulating screens for the elimination of absorption in the intervals of weakly cemented and loose rocks with abnormally low reservoir pressure and low hydraulic fracturing gradient (less than 0.0120 MPa/m). Gypsum cement grouting solution contains, wt.%: high-strength gypsum of the GVVS brand-19 29,74-35,69; micro cement 1.78-8.92; Granulight GS glass microspheres 2.97-10.11; Granulite alumosilicate microspheres-2500 7,73-17,85 ; micro-silica condensed MK-85 2,97-5,95 ; plasticizer of the Easy Flow PC brand 0.01-0.09; sealing liquid - 40.44-40.47.

EFFECT: gypsum cement grouting solution with a density of 1100±60 kg / m3 is provided, characterized by high sedimentation stability and a short period of hydration of the solution.

1 cl, 1 tbl

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RU 2 802 474 C1

Authors

Flyag Natalya Vladimirovna

Rechapov Danir Akhatovich

Sukhova Natalya Valerievna

Senyushkin Sergej Valerevich

Mamedov Kamil Kazym Ogly

Roder Svetlana Aleksandrovna

Permitin Andrej Gennadevich

Dates

2023-08-29—Published

2023-03-22—Filed

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