دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

compaction of a zone (vertical height shrinkage) created by compaction of the matrix after some load supporting fluids have been produced.

n: the tendency of permafrost to sink when a heavy weight or structure is placed on it. When the structure is placed on frozen ground, any heat that thaws the soil causes it to become soft, so that the structure sinks or subsides into it.