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Expandable casing seal and hanger technology adopted high temperature resistant and high strength rubber material,adhered to inside diameter of casing tightly by expanding,th.

膨胀管密封悬挂技术采用耐高温、高强度橡胶材料,膨胀后紧密地与原套管内壁接触,从而达到密封与悬挂的目的。