发明名称 DRILL PIPE AND CASING ELEVATOR
摘要 An apparatus for handling one or more tubulars. The apparatus may include a body defining at least a portion of a tapered bowl. A plurality of slips may be disposed at least partially within the bowl and configured to slide along a surface of the bowl. Each of the slips may include a radial engaging surface and a tapered engaging surface. The radial engaging surface may have a plurality of gripping structures extending inwardly therefrom that are configured to engage an outer surface of a first tubular having a substantially constant outer diameter. The tapered engaging surface may be configured to engage a tapered outer surface of a second tubular.
申请公布号 US2015240575(A1) 申请公布日期 2015.08.27
申请号 US201414192344 申请日期 2014.02.27
申请人 Frank's International, LLC 发明人 Angelle Jeremy R.;Thibodeaux Robert L.;Fontenot James;Chu Jacob
分类号 E21B19/06;E21B17/10;E21B19/10 主分类号 E21B19/06
代理机构 代理人
主权项 1. An apparatus for handling one or more tubulars, comprising: a body defining at least a portion of a tapered bowl; and a plurality of slips disposed at least partially within the bowl and configured to slide along a surface of the bowl, wherein each of the slips comprises: a radial engaging surface having a plurality of gripping structures extending inwardly therefrom that are configured to engage an outer surface of a first tubular having a substantially constant outer diameter; anda tapered engaging surface configured to engage a tapered outer surface of a second tubular.
地址 Houston TX US