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公开(公告)号:US09945198B2
公开(公告)日:2018-04-17
申请号:US14795455
申请日:2015-07-09
CPC分类号: E21B29/002 , E21B7/061 , E21B29/06
摘要: A mill for use in milling a section in a wellbore is disclosed that includes a first concave curved section followed by a substantially flat section and a second concave curved section following the substantially flat section and a number of blades attached to the first concave curved section, substantially flat section and the second concave curved section, wherein each such blade includes a first convex curved portion that corresponds to the first concave curved section and a second convex curved portion that corresponds to the second concave curved section.
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公开(公告)号:US20160010412A1
公开(公告)日:2016-01-14
申请号:US14795455
申请日:2015-07-09
CPC分类号: E21B29/002 , E21B7/061 , E21B29/06
摘要: A mill for use in milling a section in a wellbore is disclosed that includes a first concave curved section followed by a substantially flat section and a second concave curved section following the substantially flat section and a number of blades attached to the first concave curved section, substantially flat section and the second concave curved section, wherein each such blade includes a first convex curved portion that corresponds to the first concave curved section and a second convex curved portion that corresponds to the second concave curved section.
摘要翻译: 公开了一种用于铣削井眼中的截面的研磨机,其包括第一凹曲面部分,随后是基本上平坦的部分,以及跟随大致平坦部分的第二凹曲面部分和附接到第一凹曲面部分的多个叶片, 基本上平坦的部分和第二凹形弯曲部分,其中每个这样的刀片包括对应于第一凹形弯曲部分的第一凸形弯曲部分和对应于第二凹形弯曲部分的第二凸形弯曲部分。
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