在要被注水泥的地层的上面坐封一个可收回封隔器或可钻封隔器。
A retrievable or drillable packer is set above the formation to be cemented.
在井内坐封一个封隔器,然后沿油管向下注入水泥浆并使它进入地层的挤水泥过程。
A cement squeeze process during which a packer is set in the well and the slurry is pumped down the tubing and into the formation.
使用双封隔器选择性封隔地层是这两种仪器的特色。
Their characteristic is that they can isolate layers selectively.
使用双封隔器选择性封隔地层是这两种仪器的特色。
Their characteristic is that they can isolate layers selectively.
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