发明名称 |
Impact tool |
摘要 |
An impact tool for use in a well bore. The impact tool provides a hammer action through reciprocal movement of a cam within a spring mechanism. In an embodiment a drill bit is included to provide an impact drilling tool which requires minimum weight on bit to operate. The impact tool can therefore be run on coiled tubing and wireline.
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申请公布号 |
US2002185312(A1) |
申请公布日期 |
2002.12.12 |
申请号 |
US20020137010 |
申请日期 |
2002.05.02 |
申请人 |
ARMELL RICHARD A.;JORDAN RUSSELL R. |
发明人 |
ARMELL RICHARD A.;JORDAN RUSSELL R. |
分类号 |
E21B1/14;E21B4/10;(IPC1-7):E21B7/26 |
主分类号 |
E21B1/14 |
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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