发明名称 |
DRILL PIPE WITH REPLACEABLE TOOL JOINTS |
摘要 |
A drill string including tool assembly. The tool assembly includes a tool joint adapter and a tool joint coupled to the tool joint adapter through a faceted pin. The faceted pin includes a faceted fitting having a fitting face. The drill string includes a locking pin that extends through the tool joint adapter and tool joint. The locking pin extends through a locking pin groove of the fitting face. The locking pin locks the tool joint adapter and tool joint together. |
申请公布号 |
ZA201401380(B) |
申请公布日期 |
2015.06.24 |
申请号 |
ZA20140001380 |
申请日期 |
2014.02.24 |
申请人 |
ATLAS COPCO CANADA INC. |
发明人 |
ZHANG,YONG;PUDSEY,MICHAEL;STEENKAMP,DANIEL |
分类号 |
E21B |
主分类号 |
E21B |
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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