Two types of cementing plug are typically used on a cementing operation.
在注水泥作业中一般使用两种类型的胶塞。
A remedial cementing operation designed to force cement into leak paths in wellbore tubulars.
为使水泥浆压入井筒管子中的渗漏通道而设计的补注水泥作业。
But the cementing operation is very difficult because of the complicated formation pressure system.
而调整井具有地层压力系统复杂的特点，给固井施工带来很大难度。
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