发明名称 |
Milling tool for establishing openings in wellbore obstructions |
摘要 |
A milling tool which includes a cutting portion, a cutting section having a plurality of hardened cutters and a shaft portion. A wear pad is disposed on the cutting section and shaft portion. Upon the shaft portion, the wear pad extends radially outwardly to an engagement diameter that exceeds the maximum cutting diameter of the cutters. |
申请公布号 |
AU2010300374(B2) |
申请公布日期 |
2014.09.11 |
申请号 |
AU20100300374 |
申请日期 |
2010.10.01 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
GUIDRY, CHRISTOPHER W.;NAVIN, GURUSWAMI;JOPPE, LAMBERTUS C.F.;PONDER, ANDREW DAVID;STOWE II, CALVIN JOSEPH |
分类号 |
E21B7/08;E21B10/32;E21B29/06 |
主分类号 |
E21B7/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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