Downhole seal

申请公布号：GB201308043(D0)

申请号：GB20130008043

申请日期：2013.05.03

申请公布日期：2013.06.12

申请人：

RUBBERATKINS LIMITED

摘要：A downhole seal assembly for establishing a seal against a bore wall includes a mandrel, a seal element mounted on the mandrel, a setting support member mounted on the mandrel, and at least one setting element mounted on the mandrel axially between the seal element and the setting support member. Relative axial movement between the seal element and the setting support member over a first actuation distance causes the seal element to be deflected radially outwardly by an axially adjacent setting element. Relative axial movement of the seal element and the setting support member over a subsequent actuation distance causes radial expansion of at least one setting element to further expand the seal element.

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