发明名称 Apparatus for pumping drill cuttings and dual cylinder positive displacement pump for moving drill cuttings and method of use
摘要 A dual cylinder positive displacement pump is used to move drill cuttings. The pump may include one or more of a self-sealing wear ring member/wear plate member interface, stainless steel pumping cylinders, and a hopper with an inclined surface.
申请公布号 US7407022(B2) 申请公布日期 2008.08.05
申请号 US20050191246 申请日期 2005.07.27
申请人 CLARKE UK, LTD. 发明人 MUNDELL DAVID;GARRICK DAVID STEPHEN
分类号 E21B21/01;E21B21/06;F04B7/00;F04B15/02 主分类号 E21B21/01
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