| 可退式捞矛在深孔钻探事故处理中的应用 |
| 投稿时间：2017-02-17 修订日期：2017-02-24 点此下载全文 |
| 引用本文：张英传,翟育峰,王年友.可退式捞矛在深孔钻探事故处理中的应用[J].钻探工程,2017,44(5):31-33.ZHANG Ying-chuan,ZHAI Yu-feng,WANG Nian-you. Application of Retrievable Spear for Drill Rod Fishing[J]. Drilling Engineering, 2017,44(5):31-33. |
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| 中文摘要:随着钻探孔深不断加深，复杂钻孔工作量不断加大，孔内卡钻断钻杆事故时有发生。在断钻杆断口不规则、常规锥子打捞不成功的情况下，采用可退式捞矛能快捷、有效地处理好该类事故。结合2起工程实例，介绍了可退式捞矛的使用方法及优点，针对使用过程中出现的问题提出了一些建议，为该类孔内事故处理提供借鉴及参考。 |
| 中文关键词:可退式捞矛 卡钻 事故处理 深孔 钻探 |
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| Application of Retrievable Spear for Drill Rod Fishing |
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| Abstract:In recent years, with the deepening of hole drilling and the continuous increasing of complex drilling workload, drill pipe sticking and breaking accidents frequently occur. Under the conditions of broken drill rod with irregular fractures or unsuccessful fishing by conventional fishing cone, the retrievable fishing spear can be used to deal with the accident quickly and effectively. Combined with 2 engineering examples, this paper introduces the retrievable fishing spear about its use method and advantages; and puts forward some suggestions in view of the problems in using process, which can be reference for dealing with the similar downhole accidents. |
| keywords:retrievable fishing spear sticking accident treatment deep hole drilling |
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