许多卡钻事故是由于封隔器及其他锚瓦类井下工具的使用造成的，Y 211型封隔器的卡钻问题最为突出，且多发生在定向井中。

The sticking of the downhole string happened occasionally because great quantity of packers and other tools with slips are used. The sticking of Y211 packer is frequent in directional well.

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该持物件的锚颈部卡入扣孔，而该锚头部与肩部共同夹持住扣孔两侧而定位，而延伸部则供扣接或悬挂承置物。

The anchor head and the shoulder jointly hold both sides of the buckle hole to be positioned. The extended part is buckled or hung with a hung object.

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在北卡的海岸打捞起来的锚重达三千磅，是“安妮皇后之复仇号”上的三支锚之一。

An expedition off the North Carolina coast hoisted the nearly 3,000-pound anchor, one of three belonging to the Queen Anne's Revenge.

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