| 卵砾石地层钻探用大直径加强型金刚石钻头的研制 |
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| 引用本文： | 朱英,周原,赵宪富.卵砾石地层钻探用大直径加强型金刚石钻头的研制[J].探矿工程,2011,38(8):68-71. |
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| 作者姓名： | 朱英 周原 赵宪富 |
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| 作者单位： | 吉林省地质勘探技术研究所,吉林长春130103 |
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| 摘 要： | 采用不同于常规金刚石钻头的设计理念,选用高强度金刚石及耐磨金刚石聚晶体,对普通金刚石钻头胎体配方进行了改进,对常规金刚石钻头的烧结工艺参数作了适当的调整,试制出大直径加强型金刚石钻头。该钻头在耐磨性、抗冲击韧性及保径等方面较常规金刚石钻头显现出较大优势。在不改变常规钻进参数的情况下,较好地解决了卵砾石、破碎地层钻头寿命短、钻进速度慢、钻头易过早损坏等问题,可供类似的地层钻探施工选用。
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| 关 键 词： | 加强型金刚石钻头 胎体厚度 胎体工作层高度 金刚石粒度 金刚石浓度 钻头寿命 钻进速度 |
| 收稿时间： | 2011/4/25 0:00:00 |
| 修稿时间： | 2011/6/27 0:00:00 |
Development of Large Diameter Reinforced Diamond Bit for Drilling in Gravel Strata |
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| ZHU Ying,ZHOU Yuan and ZHAO Xian-fu.Development of Large Diameter Reinforced Diamond Bit for Drilling in Gravel Strata[J].Exploration Engineering(Drilling & Tunneling),2011,38(8):68-71. |
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| Authors: | ZHU Ying ZHOU Yuan and ZHAO Xian-fu |
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| Institution: | (Jilin Provincial Institute of Geo-exploration Techniques,Changchun Jilin 130103,China) |
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| Abstract: | With different design idea,improvement was made on matrix formula of traditional diamond bit by selecting high strength diamond and wear-resistance diamond polycrystalline and adjustment was made on the sintering parameters of traditional diamond bit.A large diameter reinforced diamond bit was developed,which has advantages over traditional diamond bit in wearing-resistance,anti-impact toughness and bit diameter retention.The bit service life in gravel and broken formations and drilling rate were improved with no changes of traditional drilling parameters. |
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| Keywords: | reinforced diamond bit matrix thickness matrix working layer height diamond size diamond concentration bit service life drilling rate |
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