CN104018782B - 一种反向扩孔的方法及钻具 - Google Patents
一种反向扩孔的方法及钻具 Download PDFInfo
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CN104018782B true CN104018782B (zh) | 2017-01-18 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113006700B (zh) * | 2021-04-20 | 2021-09-28 | 伟卓石油科技(北京)有限公司 | 用于海底岩石线缆穿越铺设的钻头及钻扩孔系统 |
CN113131404B (zh) * | 2021-04-20 | 2021-09-28 | 伟卓石油科技(北京)有限公司 | 海底地下岩石中的线缆铺设方法 |
CN113898308B (zh) * | 2021-10-14 | 2024-03-29 | 中铁工程装备集团有限公司 | 适用于反井钻机施工的集渣装置 |
CN117823052B (zh) * | 2024-03-05 | 2024-05-17 | 中国电建集团西北勘测设计研究院有限公司 | 一种断层破碎带地质勘探用扩孔装置 |
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JPH07107350B2 (ja) * | 1993-02-23 | 1995-11-15 | 株式会社東京製作所 | 拡底掘削方法及びその装置 |
CN2475817Y (zh) * | 2001-04-19 | 2002-02-06 | 孙卫军 | 自重宽臂式扩底钻头 |
US6976547B2 (en) * | 2002-07-16 | 2005-12-20 | Cdx Gas, Llc | Actuator underreamer |
CN201857897U (zh) * | 2010-10-25 | 2011-06-08 | 中煤矿山建设集团有限责任公司 | 行星滚子结构的竖井钻机钻头导向器 |
CN202227989U (zh) * | 2011-09-14 | 2012-05-23 | 上海工程机械厂有限公司 | 一种组合钻具 |
CN102400647A (zh) * | 2011-11-21 | 2012-04-04 | 中煤矿山建设集团有限责任公司 | 一种钻头 |
CN202767074U (zh) * | 2012-05-09 | 2013-03-06 | 罗强 | 承压式土层锚杆扩孔器 |
CN203175403U (zh) * | 2013-03-05 | 2013-09-04 | 河北建设勘察研究院有限公司 | 一种旋挖钻机干法钻进成孔扩底钻头 |
CN203939432U (zh) * | 2014-05-09 | 2014-11-12 | 中煤矿山建设集团有限责任公司 | 一种反向扩孔钻具 |
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Inventor after: Liu Jianguo Inventor after: Li Wu Inventor after: Hui Qinglong Inventor after: Shi Jisheng Inventor after: Xu Ping Inventor after: Cai Xin Inventor after: Zhou Zhenyun Inventor after: Wang Sai Inventor before: Liu Jianguo Inventor before: Li Wu Inventor before: Hui Qinglong Inventor before: Shi Jisheng Inventor before: Xu Ping Inventor before: Cai Xin Inventor before: Zhou Zhenyun |
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Free format text: CORRECT: INVENTOR; FROM: LIU JIANGUO LI WU HUI QINGLONG SHI JISHENG XU PING CAI XIN ZHOU ZHENYUN TO: LIU JIANGUO LI WU HUI QINGLONG SHI JISHENG XU PING CAI XIN ZHOU ZHENYUN WANG SAI |
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