潜孔钻具调研

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[PDF] 绳索取心螺杆钻具应用中憋泵问题的分析

摘要:科钻一井 139.7mm绳索取心钻具现场试验采用螺杆钻具驱动时出现频繁憋泵的问题,换用 88.9mm. 普通钻杆后,却很少出现憋泵,而且螺杆钻具本身并没有质量问题。

www.syzt.com.cn·373.4 KB
[PDF] 苏州新锐合金工具股份有限公司

潜孔钻具规模化生产,提高潜孔钻具产品的自产率。本次募投项目的顺利实施,. 是公司提升凿岩工具板块核心产品——潜孔钻具及顶锤式凿岩钎具自主化生产. 能力的核心举措 ...

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[PDF] PowerROC D55 全液压潜孔式露天钻机 - Epiroc

该机器灵活性高,覆盖范围大,方便各种. 施工作业,如侧向水平孔、底角孔和排水孔. 钻孔等。该设备同时配备了可触控的12.1英寸. 显示屏,交互界面更加友好,令操作人员可以.

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