| “炮弹”式打捞器在处理断钻事故中的应用 |
| 投稿时间：2015-03-27 修订日期：2015-05-28 点此下载全文 |
| 引用本文：商振华,张辉,董泽训.“炮弹”式打捞器在处理断钻事故中的应用[J].钻探工程,2015,42(7):23-26.SHANG Zhen-hua,ZHANG Hui,DONG Ze-xun. Application of “Shell” Shaped Fisher in Drill Pipe Breaking Accidents[J]. Drilling Engineering, 2015,42(7):23-26. |
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| 中文摘要:山东省莱州市纱岭矿区地层类型较多、岩矿层破碎、结构复杂，小口径金刚石钻探施工中常出现断钻杆事故。在进行了调查研究和分析的基础上，研制了“炮弹”式打捞器，并将其应用在钻杆、套管折断事故处理中，提高了事故处理的效率和效果。简述了“炮弹”式打捞器的工作原理和使用注意事项，指出了存在的问题和局限性。 |
| 中文关键词:小口径深孔钻探 钻杆折断事故 套管折断事故 “炮弹”式打捞器 纱岭金矿区 |
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| Application of “Shell” Shaped Fisher in Drill Pipe Breaking Accidents |
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| Abstract:Because of the variety of stratigraphic types, broken rock mass formation and complex geological structure in Shaling goldfields of Laizhou, drill pipe breaking often occurs in small diamond drilling construction. Based on the investigation and analysis, a “shell” shaped fisher was developed, which is used for drill pipe or casing breaking accidents, the efficiency and effect of accident treatment are highly improved. The working principle and attentions in use are outlined in this paper and the existing problems and limitations are also pointed out. |
| keywords:small diameter deep hole drilling drill pipe breaking accident casing breaking accident “shell” shaped fisher Shaling goldfields |
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