交流变频调速钻机的节能潜力_中国矿权网_全国矿权网上交易中心 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
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intangible drilling costs 无形钻井成本
The result indicates that: by adopting this method, it could save over 25-40% of the drilling costs and it’s a effective method to select the type of the bit and to determine the quantity of the bits needed reasonably.
结果表明：采用这种方法可使钻井成本节省25-40％以上；也是一种合理选择钻头类型，确定所需钻头数量的有效方法。
参考来源 - PDC钻头钻井参数优化模型与应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Technology of Downhole blowout preventer may be lower drilling costs and improve the quality of an important part of the drilling.
井下防喷器技术的应用有可能成为降低钻井成本、提高钻井质量的一个重要部分。
UBD with CT can reduce the formation and pay zone damage, enhance the penetration rate, improve safe operation with high efficiency and drop drilling costs.
欠平衡连续油管钻井，可减少钻井过程中对地层和产层的损害，可提高机械钻速，安全高效率钻井，降低钻井成本。
Comparing with common milling shoes, this new type of milling shoes has faster milling rate and longer life and has an important effect on reducing drilling costs.
与普通磨鞋相比，该磨鞋磨削速度快、使用寿命长，对降低钻井成本具有积极意义。
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