| 绳索取心钢球偏斜技术原理及应用 |
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| 引用本文： | 何远东,高波,何远洪,税太红.绳索取心钢球偏斜技术原理及应用[J].探矿工程(岩土钻掘工程),2010,37(4):37-39. |
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| 作者姓名： | 何远东 高波 何远洪 税太红 |
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| 作者单位： | 1. 贵州远东兄弟钻探有限公司,贵州,贵阳,550000
2. 贵州省地矿局112地质大队,贵州,安顺,561000 |
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| 摘 要： | 在贵州某磷矿区钻孔施工中,由于地层水敏性导致钻孔出现掉块、坍塌,局部超径、沉渣增多等,发生钻具扭断、埋钻等事故。采用绳索取心钢球支撑小径锥面钻头定位偏斜技术对事故进行处理,经济有效。
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| 关 键 词： | 绳索取心钻探 水敏性地层 断钻事故 埋钻事故 同径偏斜 钢球支撑 小径锥面钻头定位 |
Principle of Deflection Technology of Wire-line Coring with Steel Ball and the Application |
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| HE Yuan-dong,GAO Bo,HE Yuan-hong and SHUI Tai-hong.Principle of Deflection Technology of Wire-line Coring with Steel Ball and the Application[J].Exploration Engineering:Rock & Soil Drilling and Tunneling,2010,37(4):37-39. |
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| Authors: | HE Yuan-dong GAO Bo HE Yuan-hong and SHUI Tai-hong |
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| Affiliation: | Guizhou Yuandong Brothers Drilling Co., Ltd.,Guizhou Yuandong Brothers Drilling Co., Ltd.,Guizhou Yuandong Brothers Drilling Co., Ltd.,Guizhou Yuandong Brothers Drilling Co., Ltd. |
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| Abstract: | Because of the block-falling,collapsing,local over-sizing and more sediment in water sensitive formation,drilling broken and burying drilling occurred in the boring construction in a phosphate mine in Guizhou.Small diameter cone bit positioning deflection by wire-line coring with steel ball supporting was used to solve the problem economically. |
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| Keywords: | wire-line coring drilling water sensitive formation drilling broken burying drilling accident deflection in the same diameter steel ball supporting positioning of small diameter cone bit |
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