塑性流动失稳破坏是由孔隙水压力的累积作用起主导作用；
Plastic flow failure is mainly induced by building up of excess-static pore pressure.
盐层的塑性流动对井筒完整性是巨大的威胁，会对水泥环、套管造成破坏。
One unique threat to well integrity from salt zones is plastic flow.
盐层的塑性流动对井筒完整性是巨大的威胁，会对水泥环、套管造成破坏。
One unique threat to well integrity from salt zones is plastic flow.
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