“drilling complicacy”的概念、定义、翻译、参考文献-科学参考

单词	drilling complicacy
释义	drilling complicacy Encyclopedia 工学钻井复杂事故种类释 drilling complicacy钻井复杂情况钻遇地层时，由于井身结构不合理、钻井液类型或性能与地层不相适应、钻具组合不匹配、形成井眼质量差等原因，造成无法进行正常钻进及其他作业的事件。
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