These researches have great significance for preventing aqueous phase trapping damages and improving waterflood efficiency in the course of drilling, completion and development.
在钻井完井及开发过程中防止水相圈闭损害，提高水驱效率具有重要意义。
The invention provides a drilling tool having a miniaturized dust collection device, which improves the working efficiency while improving the dust collecting efficiency.
本发明提供一种具有小型化的集尘装置的钻孔工具，其在提高集尘效率的同时提高作业效率。
The invention provides a drilling tool having a miniaturized dust collection device, which improves the working efficiency while improving the dust collecting efficiency.
本发明提供一种具有小型化的集尘装置的钻孔工具，其在提高集尘效率的同时提高作业效率。
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