... oil drilling 探油 drilling cost 钻井成本；钻头成本；打钻费 drilling equipment 钻机；钻孔设备；钻进设备 ...
基于256个网页-相关网页
交流变频调速钻机的节能潜力_中国矿权网 关键词： 钻机；变频调速；负载特性；节能；钻探成本[gap=709]eed adjusting by frequency conversion; loa d characteristic; economizing energy; drilling cost
基于8个网页-相关网页
unit drilling cost 钻井单位总成本
over-all drilling cost 钻井总成本
Reducing Drilling Cost 降低钻井成本
intangible drilling cost 无形开发成本
bit drilling cost 钻头钻进成本
well drilling cost 钻井成本
lower drilling cost 降低钻井成本
reduce drilling cost 降低钻井成本
A method is proposed to determine the bit footage when the drilling cost per meter reaches a minimum.
本文提出了一种按最低成本原则确定单只钻头进尺的实用方法。
Rock drill-ability is the basic parameter to optimize bits, make drilling plan and reduce drilling cost.
岩石可钻性是优选钻头，制定生产定额以及降低钻井成本的基础。
The approach can decrease drilling cost and reduce drilling period, realize great economic benifit in offshore drilling operation.
采用这种方法可节约海上钻井成本，缩短建井周期，获得显著的经济效益和社会效益。
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