发明名称 |
LARGE DIAMETER TUBULAR LIFTING APPARATUSES AND METHODS |
摘要 |
A lifting elevator includes a first elevator segment having a first plurality of slips, a second elevator segment having a second plurality of slips, and a hinge. The first elevator segment and the second elevator segment each have a swept angle of about 180°, and each of the first plurality of slips and the second plurality of slips includes a die configured to grip an external surface of a pipe. |
申请公布号 |
WO2017034625(A1) |
申请公布日期 |
2017.03.02 |
申请号 |
WO2016US28883 |
申请日期 |
2016.04.22 |
申请人 |
FRANK'S INTERNATIONAL, LLC |
发明人 |
ANGELLE, Jeremy, Richard;SMITH, Logan, Essex |
分类号 |
E21B19/02;E21B15/00;E21B19/06 |
主分类号 |
E21B19/02 |
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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