国际油气井钻头进展概述(二)——FuseTek融合钻头与Pexus组合钻头
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国土资源部

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P634.4 1;TE921 .1

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International Advancement of Drilling Bits for Oil and Gas Well (2) —FuseTek Bit and Pexus Hybrid Bit
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Ministry of Land and Resources of the People’s Republic of China

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    摘要:

    NOV公司2013年向市场推出FuseTek融合钻头。它将PDC钻头的高钻速与孕镶金刚石钻头的耐磨性结合于一体,适宜于钻进中硬—坚硬、高研磨性地层。FuseTek钻头已广泛应用于刚果、厄瓜多尔、中国、哥伦比亚等国家。应用表明,该新型组合钻头比PDC钻头或牙轮钻头钻进效率提高许多,工作寿命增加1~3倍或更多。Shear Bits公司于2014年推出Pexus组合钻头。该钻头广泛应用于加拿大冰川冰碛物钻进。地层上部硬卵砾石层利用可转动硬质合金齿钻进,下部软砂岩与页岩则运用PDC碎岩。整个冰碛物地层用一个Pexus钻头一钻到底。所述3类组合式钻头(含Kymera钻头)对于未来实现“一个钻头,一口井”的目标有重要意义。

    Abstract:

    FuseTek bit, a PDC Impregnated diamond hybrid bit, launched by NOV in 2013. It is suitable for drilling medium-hard to hard and abrasion formations. The FuseTek bits were widely used in Congo, Ecuador, China, Colombia, etc., Applications have shown that the FuseTek bits could increase the ROP obviously and bit life 1-3 times or more compared with PDC bit or roller cone bit . Pexus hybrid bit, a PDC Carbide hybrid bit, launched by Shear Bits in 2014,which used extensively in Western Canada to drill glacial till, comprised of a hard top layer of boulders, drilled by rotary carbide element and a soft bottom layer of sand and shales drilled by PDC cutters. The whole interval can be drilled in one run with one Pexus bit. Those three types of hybrid bits are significant for realization of “one bit, one well” in the future.

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左汝强.国际油气井钻头进展概述(二)——FuseTek融合钻头与Pexus组合钻头[J].钻探工程,2016,43(2):1-4.
ZUO Ru-qiang. International Advancement of Drilling Bits for Oil and Gas Well (2) —FuseTek Bit and Pexus Hybrid Bit[J]. Drilling Engineering, 2016,43(2):1-4.

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  • 收稿日期:2015-12-30
  • 最后修改日期:2015-12-30
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  • 在线发布日期: 2016-02-02
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