发明公开
EP2785947A4 APPARATUS AND METHODS UTILIZING PROGRESSIVE CAVITY MOTORS AND PUMPS WITH ROTORS AND/OR STATORS WITH HYBRID LINERS
审中-公开
装置和偏心螺钉METHOD AND WITH转子和/或定子具有混合衬砌PUMPS
- 专利标题： APPARATUS AND METHODS UTILIZING PROGRESSIVE CAVITY MOTORS AND PUMPS WITH ROTORS AND/OR STATORS WITH HYBRID LINERS
- 专利标题（中）： 装置和偏心螺钉METHOD AND WITH转子和/或定子具有混合衬砌PUMPS
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申请号： EP12852653申请日： 2012-11-12
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公开(公告)号： EP2785947A4公开(公告)日： 2015-05-06
- 发明人: HOHL CARSTEN , GRIMMER HARALD , KRUEGER VOLKER
- 申请人： BAKER HUGHES INC , HOHL CARSTEN , GRIMMER HARALD , KRUEGER VOLKER
- 专利权人： BAKER HUGHES INC,HOHL CARSTEN,GRIMMER HARALD,KRUEGER VOLKER
- 当前专利权人： BAKER HUGHES INC,HOHL CARSTEN,GRIMMER HARALD,KRUEGER VOLKER
- 优先权： US201113306673 2011-11-29
- 主分类号： E21B4/02
- IPC分类号： E21B4/02 ; E21B4/06 ; E21B17/01
摘要：
An apparatus for use downhole is disclosed that in one embodiment may include a rotor having an outer lobed surface disposed in a stator having an inner lobed surface, wherein the inner lobed-surface or the outer-lobed surface includes a sealing material on a first section thereof and a metallic surface on a second section thereof.
信息查询
