在层间隔离封隔器坐封并测试后，操作人员将TORRENT充填的服务工具定位在最下层的位置上来对此层进行挤压充填作业。
After the zonal isolation packers were simultaneously set and tested, the TORRENT service tool was positioned at the lowermost zone to perform the frac-pack stimulation.
在转换至封隔器装置上面的环空以前，回流的携带液在工具底部进入内部流动通道，于是将环空隔离。
The returned carrier fluid enters the internal flow path at the base of the tool before crossing over to the annulus above the packer assembly, isolating the annulus.
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