The liner was cemented by cementing retainer after its annular was assured expedite by setting packer in liner and making circulation.
在尾管内下封隔器，循环确信尾管环空畅通后下入水泥承留器固井。
The liner was cemented by cementing retainer after its annular was assured expedite by setting packer in liner and making circulation.
在尾管内下封隔器，循环确信尾管环空畅通后下入水泥承留器固井。
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