| 发明名称 |
ELEVATOR FOR USE IN HANDLING PIPE AND METHOD FOR HANDLING PIPE |
| 摘要 |
<p num="1"><br/><br/><br/>An elevator for use in wellbore operations, the elevator comprising a first <br/>body member (331) having front and back ends and a second body member (332) <br/>having front and back ends, which together form a throat for receiving a pipe, <br/>a first release apparatus (392) for releasably connecting together the front <br/>ends, and a second release 10 apparatus (342) for releasably connecting <br/>together the back ends characterised in that, the elevator further comprises <br/>actuation apparatus (362, 381) for selectively operating a chosen one of the <br/>first release apparatus (392) or the second release apparatus (342).<br/>
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| 申请公布号 |
CA2588728(A1) |
申请公布日期 |
2006.06.08 |
| 申请号 |
CA20052588728 |
申请日期 |
2005.11.03 |
| 申请人 |
VARCO I/P, INC. |
发明人 |
BENNETT, DEAN ALLEN;SPRINGETT, FRANK BENJAMIN;ARAUJO, RAUL;ENSLEY, ERIC T. |
| 分类号 |
E21B19/06;E21B3/02;E21B19/24;E21B21/10;E21B33/068 |
主分类号 |
E21B19/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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