发明名称 |
Improved oilfield tubular elevator and method for using same |
摘要 |
An elevator for lifting and/or lowering an oilfield tubular comprising
a) a U-shaped elevator body having an end portion and first and second arms extending from said end portion, said first and second arms being separated by a distance larger than an outside diameter of the tubular to be lifted and/or lowered;
b) a first latching mechanism carried by said first arm;
c) a second latching mechanism carried by said second arm,
wherein, each of said latching mechanisms having an open position and a closed position, and each of said latching mechanisms being structured such that said latching mechanisms move to a closed position to entrap the tubular in the elevator by the first and second latching mechanisms; and wherein the latching mechanisms make contact with the tubular such that a portion of the circumference of the tubular is not within any part of the elevator. |
申请公布号 |
EP2180134(A1) |
申请公布日期 |
2010.04.28 |
申请号 |
EP20090171991 |
申请日期 |
2000.09.28 |
申请人 |
FRANK'S INTERNATIONAL, INC. |
发明人 |
MOSING, DONALD;SIPOS, DAVID |
分类号 |
E21B19/06 |
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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地址 |
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