abrasive cutting drill
... 顶天车crashing into the crown 磨蚀钻井abrasive cutting drill 弹丸钻井bullet-shot drill ...
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在对文献调研的基础上，综述了国内外在欠平衡钻井中对金属钻具的腐蚀与磨蚀方面所做的工作，主要包括各种影响因素的分析、相应防腐剂的组成和应用。
Based on data review, the corrosion and erosion of metal drilling tools in under-balanced drilling are analyzed, including affecting factors, composition and application of corrosion inhibitors.
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