地质钻探小口径水力割管器的技术性能及应用  

Technical performance and application of geological small diameter hydraulic pipe cutter

作　　者：张雄 李强[1] 吕轩 王杰[2] 赵亮 杜帅 ZHANG Xiong;LI Qiang;LÜXuan;WANG Jie;ZHAO Liang;DU Shuai(Xi’an Mineral Resources Research Center of China Geological Survey,Xi’an Shaanxi 710100,China;Changsha Natural Resources Comprehensive Survey Center,Changsha Hunan 410000,China)

机构地区：[1]中国地质调查局西安矿产资源调查中心,陕西西安710100 [2]中国地质调查局长沙自然资源综合调查中心,湖南长沙410000

出　　处：《钻探工程》2023年第S01期414-418,共5页Drilling Engineering

基　　金：中国地质调查局地质调查项目“战略性矿产资源勘查”(编号:DD20211552)。

摘　　要：介绍了地质钻探小口径水力割管器的基本工作原理、技术性能以及在陕南、北山地区地质岩心钻探中的应用。实践表明,小口径水力割管器具有设计简单、操作方便、工作效率高等优点,在钻孔卡钻、埋钻等孔内事故处理中发挥了巨大作用,取得了很好的应用效果。同时,在实际应用中,水力割管器也存在一些问题,如刀头焊接质量不高、存在环切震动以及刀头崩刃的现象。通过分析和总结实际应用情况,针对存在的问题提出了一些改进意见,以便该设备的推广应用。This paper mainly introduces the basic working principle,technical performance and application of hydraulic pipe cutter for small diameter drilling in geological core drilling in southern Shanxi and Beishan areas.The practice shows that compared with other types of pipe cutters,the hydraulic pipe cutter has the advantages of simple design,convenient operation and high working efficiency.It has played a huge role in the treatment of drilling stuck,buried drilling and other accidents,and has achieved good application results.At the same time,there are also some problems in the practical application of hydraulic pipe cutter,such as the welding quality of the tool head is not high,the existence of ring cutting vibration and the phenomenon of the tool head falling edge.Through the analysis and summary of the actual application,some suggestions are put forward to improve the existing problems,so as to promote the application of the equipment.

关 键 词：小口径水力割管器 孔内事故 地质岩心钻探 卡钻 埋钻 

分 类 号：P634.4[天文地球—地质矿产勘探]