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After more than five decades of rapid development, the design and manufacturing technologies of polycrystalline diamond compact (PDC) bits have become mature, and they have become dominant tools for rock cutting in global oil and gas drilling engineering. Currently, oil and gas exploration and development have accelerated in China, and difficult tight rock drilling has become one of the biggest challenges faced by deep and ultra-deep drilling engineering. The dependence on PDC bits featuring long service life and efficient rock cutting is increasing day by day. However, the development of PDC bit technologies in China and abroad has slowed down and seems to have reached a bottleneck stage, without any disruptive technological innovation. The existing bit products in China and abroad fail to meet the drilling needs of depths of more than ten thousand meters, so it is urgent to develop new materials and technologies for efficient rock cutting. This article sorts out the research status of key design and manufacturing technologies of PDC bits, summarizes the drawbacks of bits made in China, outlines future development trends, and proposes corresponding suggestions.
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经过50多年的高速发展，聚晶金刚石复合片（Polycrystalline Diamond Compact, PDC）钻头的设计制造技术日臻成熟，现已成为全球油气钻探工程不可或缺的核心破岩工具。当前，中国油气勘探开发正加快向纵深发展，岩石致密难钻已成为深层超深层钻井工程面临的最大挑战之一，对长寿命高效破岩PDC钻头的依赖程度日益上升。但是，国内外PDC钻头技术的发展速度已经趋缓，似乎进入了“瓶颈”阶段，尚未出现颠覆性技术创新。国内外现有钻头产品还无法满足万米深地的钻进需求，亟需研发高效破岩新材料新技术。文章重点梳理了PDC钻头设计制造关键技术的研究现状，归纳了国产钻头存在的短板问题，分析了未来发展趋势，并提出了相应建议。
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 |
高德利，博士，教授，中国科学院院士，油气钻探与开采专家。中国石油大学（北京）石油与天然气工程国家重点学科负责人、石油工程教育部重点实验室主任、校学术委员会主任等。长期从事油气工程领域的教学与科研工作。获国家技术发明奖二等奖1项，国家科学技术进步奖二等奖3项，以及北京市科学技术奖一等奖2项等。出版专著6部，独立或合作发表期刊论文600多篇（SCI收录190余篇）。授权发明专利80余件，登记软件著作权20多项。电子信箱：gaodeli@cup.edu.cn。 |
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刘维，博士，教授。主要从事PDC钻头、超硬材料、钻井提速等方面的科学研究与实践。电子信箱：wei.liu@cup.edu.cn。
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刘维，博士，教授。主要从事PDC钻头、超硬材料、钻井提速等方面的科学研究与实践。电子信箱：wei.liu@cup.edu.cn。
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高德利，博士，教授，中国科学院院士，油气钻探与开采专家。中国石油大学（北京）石油与天然气工程国家重点学科负责人、石油工程教育部重点实验室主任、校学术委员会主任等。长期从事油气工程领域的教学与科研工作。获国家技术发明奖二等奖1项，国家科学技术进步奖二等奖3项，以及北京市科学技术奖一等奖2项等。出版专著6部，独立或合作发表期刊论文600多篇（SCI收录190余篇）。授权发明专利80余件，登记软件著作权20多项。电子信箱：gaodeli@cup.edu.cn。
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高德利，博士，教授，中国科学院院士，油气钻探与开采专家。中国石油大学（北京）石油与天然气工程国家重点学科负责人、石油工程教育部重点实验室主任、校学术委员会主任等。长期从事油气工程领域的教学与科研工作。获国家技术发明奖二等奖1项，国家科学技术进步奖二等奖3项，以及北京市科学技术奖一等奖2项等。出版专著6部，独立或合作发表期刊论文600多篇（SCI收录190余篇）。授权发明专利80余件，登记软件著作权20多项。电子信箱：gaodeli@cup.edu.cn。
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国民油井华高公司FuseTekTM钻头 草绿色和绿色代表孕镶金刚石胎体。
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