| 关于金刚石钻进工艺优化几个问题的研究 |
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| 引用本文： | Чихоткин В.Ф.,高申友,蒋国盛,彭莉,汤凤林.关于金刚石钻进工艺优化几个问题的研究[J].探矿工程,2014,41(9):18-22. |
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| 作者姓名： | Чихоткин В.Ф. 高申友 蒋国盛 彭莉 汤凤林 |
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| 作者单位： | [1]中国地质大学,湖北武汉430074; [2]无锡钻探工具厂,江苏无锡214174 |
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| 基金项目： | 国家“863”计划之“页岩气储层改造技术研究”（2013AA064503） |
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| 摘 要： | 孕镶金刚石钻头钻进时,孔底所剩岩屑数量直接影响钻进是否处于正常状态,正确设计岩屑规程可以保证钻头正常钻进。计算和实验证明,冲洗液流在钻进过程确实产生空化气蚀现象,对钻头磨损有严重影响。设计各个通道过水面积相等的钻头,可以基本解决这个问题。应该保证供给的冲洗液量与机械钻速之比保持在合理的范围内。
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| 关 键 词： | 岩屑规程 正常钻进条件 冲洗液空化气蚀现象 各个冲洗通道过水面积相等的钻头 冲洗液量和机械钻速的合理比例范围 |
| 收稿时间： | 2014/6/18 0:00:00 |
| 修稿时间： | 2014/6/18 0:00:00 |
Research on Some Problems about Optimization of Diamond Drilling Technology with Impregnated Bits |
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| CHIKHOTKIN V.F.,GAO Shen-you,JIANG Guo-sheng,PENG Li and TANG Feng-lin.Research on Some Problems about Optimization of Diamond Drilling Technology with Impregnated Bits[J].Exploration Engineering(Drilling & Tunneling),2014,41(9):18-22. |
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| Authors: | CHIKHOTKIN VF GAO Shen-you JIANG Guo-sheng PENG Li and TANG Feng-lin |
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| Institution: | CHIK-HOTKIN V. F.,GAO Shen-you,JIANG Guo-sheng,PENG Li,TANG Feng-lin ( 1. China University of Geosciences, Wuhan Hubei 430074, China； 2. Wuxi Plant of Drilling Tolls, Wuxi Jiangsu 214174, China) |
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| Abstract: | In the process of diamond drilling with impregnated bits,cuttings regime defines normal conditions of the drilling. Calculations and experiments have proved that cavitation does occur in the drilling process with serious influence on bit matrix wear. The designed new type drilling bit with the same area of flushing waterways can basically resolve the cavitation problem. Optimal ratio range of flushing fluid quantity and drilling rate should be maintained. |
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| Keywords: | cuttings regime normal drilling conditions cavitation of drilling fluid bit with the same area of flushing waterways optimal ratio range of flushing fluid quantity and drilling rate |
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