发明名称 |
Advanced expandable reaming tool |
摘要 |
An expandable reaming tool including at least two reamer pads connected to a tool body. The reamer pads are adapted to be displaced between a retracted position and an expanded position. At least one spiral blade is formed on at least one reamer pad. A plurality of cutting elements are disposed on the at least one spiral blade. An expandable reaming tool including at least two reamer pads connected to a tool body. The reamer pads are adapted to be displaced between a retracted position and an expanded position. At least one blade is formed on the at least two reamer pads. A plurality of cutting elements are disposed on the at least one blade and at least one gage protection element is disposed on a gage surface of the at least one blade. The plurality of cutting elements are arranged so as to enable the expandable reaming tool to backream a formation in a wellbore.
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申请公布号 |
US2004159468(A1) |
申请公布日期 |
2004.08.19 |
申请号 |
US20040773502 |
申请日期 |
2004.02.06 |
申请人 |
HOFFMASTER CARL M.;TRUAX DAVID K.;BEATON TIMOTHY P. |
发明人 |
HOFFMASTER CARL M.;TRUAX DAVID K.;BEATON TIMOTHY P. |
分类号 |
E21B10/32;E21B10/54;E21B10/55;(IPC1-7):E21B10/26 |
主分类号 |
E21B10/32 |
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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