发明名称 ROTARY CEMENTING HEAD WITH COLLECTING SET.
摘要 The present invention discloses an oscillating cementing head with a collecting unit, the collecting unit comprising a body connectable to a tool set and a cementing collector connectable to a cement source.The collector is rotably mounted upon the body to provide continuous fluid communication between the collector and the body, even when the body is spinning about with respect to the collector.
申请公布号 MX9300753(A) 申请公布日期 1997.05.31
申请号 MX19930000753 申请日期 1993.02.11
申请人 HALLIBURTON COMPANY 发明人 DAVID P. BRISCO;MORRIS G. BALDRIDGE;DAVID D. MCGUIRE
分类号 (IPC1-7):E21B33/00;E21B34/00 主分类号 (IPC1-7):E21B33/00
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