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 SG11201602574Q(A) 申请公布日期 2016.05.30
申请号 SG11201602574Q 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 主分类号 E21B19/10
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