中文

一种水平定向钻管道穿越反循环钻进方法及专用钻头

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  • Release time:2016-03-30

  • Affilication of Author(s):中国地质大学(武汉)

  • School Sign:中国地质大学(武汉)

  • Patent Applicant:马保松;韦立勇;兰海涛;曾聪;舒彪

  • Type of Patent:Invent

  • Authorization number:CN201010515142.3

  • Number of Inventors:5

  • Service Invention or Not:no

  • Authorization Date:2011-04-06

  • First Author:马保松


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