... 钻井实践;钻井习用方法;钻井作业;钻井参数：drilling practice 钻井时间：drilling time 钻井时的排水量：drilling displacement ...
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分析了在现行石油钻井资料中钻井时间统计方面存在的问题。
The problems in current statistical methods to count the drilling time in petroleum drilling reference are analyzed.
套管钻井技术是一种节约钻井时间，降低井下事故发生的全新的钻井工艺技术。
Casing drilling is a new method for drilling Wells that is aimed at reducing both drilling time and the incidence of unscheduled drilling events.
本文应用板壳理论，对渤海绥中36—1 J 区丛式井表层无钻井时间固作业方案进行了研究。
The paper, based on shell theory, studies the surface cementing operation scheme without drilling rig during cluster drilling in SZ 36 -1 J Area in Bohai Sea.
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