Studying of the interaction of stone of weighted grouting solutions with rather strong brine
UDC: 622.245.422
DOI: 10.33285/0130-3872-2022-1(349)-48-54
Authors:
BELEY IVAN I.
1,
FLYAG NATALIA V.1,
RECHAPOV DANIR A.1,
RODER SVETLANA A.1,
KOROSTELEV ALEXEY S.2,
TSYPKIN EVGENY B.2
1 LLC "Gazpromproektirovanie", Tyumen, Russia
2 Group of companies "Granula-SpecCement", Yekaterinburg, Russia
Keywords: interaction, stone, weighted grouting solution, rather strong brine
Annotation:
The results of studies of the interaction of a stone of weighted grouting solutions of various compositions with rather strong brine from the fields of the Eastern Siberia are presented. The problems of the influence of contraction and osmotic effects on the nature of thestone corrosion destruction are considered, depending on the type of weighting additive and the mineralization of the water phase of the plugging system. The results of a long-term exposure of stone samples of weighted grouting solutions (WGS) in polymineral formation water with a density of 1.415 g/cm3 confirm the possibility of occurrence of multidirectional filtration flows and their effect on the stone state. The data obtained can be used when developing compositions of weighted corrosion-resistant grouting mixtures for cementing casing strings in reservoirs intervals with very strong brines.
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