发明名称 |
Tools and methods useful with wellbore reverse circulation |
摘要 |
Docun tl8-12/05/2014 A tool catcher to catch a tool approaching the tool catcher, the tool including a fluid passage therein and a seal in the fluid passage. The tool catcher comprising a body 5 including a secured end and an outboard end; engaging devices supported on the body, the engaging devices formed to act to resist passage therepast of a structure moving in a direction from the secured end towards the outboard end; and a stinger at the outboard end to open the seal in the fluid passage of the tool. |
申请公布号 |
AU2014202557(A1) |
申请公布日期 |
2014.06.05 |
申请号 |
AU20140202557 |
申请日期 |
2014.05.12 |
申请人 |
TESCO CORPORATION |
发明人 |
TATE, BARRY J.;WARREN, TOMMY M.;TESSARI, ROBERT M. |
分类号 |
E21B23/04;E21B23/08;E21B31/00 |
主分类号 |
E21B23/04 |
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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