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 代理人
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