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.
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.
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.
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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