锡矿山复杂地层小口径取心深孔钻探施工方法
投稿时间:2021-04-19  修订日期:2021-05-21  点此下载全文
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作者单位邮编
蒋光旭 湖南省有色地质勘查局二总队湖南 湘潭 411100 411100
唐振华 湖南省有色地质勘查局二一七队 湖南 衡阳 421001 421001
中文摘要:针对冷水江市锡矿山谭家冲矿区ZK2401钻孔复杂地层,把单个钻孔的钻探施工作为一个系统工程来实施,对可控制部分进行合理有效的控制,做到有备而动并提高钻孔的成孔率。从前期调查、钻孔结构设计及钻探设备选择、钻孔工程设计和实际施工情况4个方面总结钻探施工方法,确保在矿区复杂地层小口径深孔钻探施工的顺利进行,其经验可供同行参考。
中文关键词:深孔钻探  复杂地层  钻孔设计  泥浆  系统控制
 
Small diameter deep core drilling method for difficult formation in a Tin mine
Abstract:In view of the complex formation of ZK2401 borehole in Tanjiachong mining area of Stannary in Lengshuijiang City, the drilling construction of every single borehole is carried out as a system engineering, and the controllable part is controlled reasonably and effectively, so as to be prepared to move and improve the rate of borehole formation. This paper summarizes the drilling construction methods from four aspects: preliminary investigation, drilling structure design and drilling equipment selection, drilling engineering design and actual construction situation, in order to ensure the smooth deep hole drilling of small diameter in complex strata of mining area, and the experience can be used as reference for peers.
keywords:deep drilling  complex formation  drilling design  drilling mud  system control
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