发明名称 |
AUTOMATED PIPE SLIPS |
摘要 |
An automated pipe slips includes a pipe slips body having a generally frustoconically tapered inner wall. A plurality of wedges is positioned to slide along the tapered inner wall and may be hydraulically driven. In some embodiments, the wedges alternate between long and short wedges, such that only long wedges are used to engage a tubular member having a small diameter, and both long and short wedges are used to engage a tubular member having a large diameter. In some embodiments, the automated pipe slips may include a centralizer assembly. In some embodiments, the automated pipe slips may include a wiper assembly. |
申请公布号 |
US2015090463(A1) |
申请公布日期 |
2015.04.02 |
申请号 |
US201414503591 |
申请日期 |
2014.10.01 |
申请人 |
NABORS CORPORATE SERVICES |
发明人 |
Gupta Ashish;Scekic Vladimir;Reddy Padira;Ellis Brian;Yousef Faisal;Magnuson Chris;Heighington Larry |
分类号 |
E21B19/10;E21B17/10;E21B17/00;E21B33/04 |
主分类号 |
E21B19/10 |
代理机构 |
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代理人 |
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主权项 |
1. An automated pipe slips for supporting a tubular member, the automated pipe slips comprising:
a slips body, the slips body being generally annular and having a tapered inner surface; and a plurality of wedges, the wedges being positioned to slide along the tapered inner surface of the slips body, the wedges alternating between short wedges and long wedges. |
地址 |
Houston TX US |