发明名称 |
BEARING / GEARING SECTION FOR A PDM ROTOR / STATOR |
摘要 |
A moving or progressive cavity motor or pump is disclosed, the motor including a rotor and a stator, the stator having one or more inserts or gearing sections to limit a lateral movement of the rotor relative to the stator. In some embodiments, the motor or pump may include a rotor and a stator, the stator including: a first, helicoidal, section comprising a compliant material having a first compressibility; a second section, helicoidal, non-helicoidal, or combination thereof, having a second compressibility, wherein the second compressibility is less than the first compressibility. |
申请公布号 |
WO2012122321(A3) |
申请公布日期 |
2013.02.21 |
申请号 |
WO2012US28153 |
申请日期 |
2012.03.08 |
申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;CLOUZEAU, FRANCOIS;PUSHKAREV, MAXIM;UNDERWOOD, LANCE, D.;MANSOUR, BASSEM |
发明人 |
CLOUZEAU, FRANCOIS;PUSHKAREV, MAXIM;UNDERWOOD, LANCE, D.;MANSOUR, BASSEM |
分类号 |
E21B4/02;F01C1/107;F04C2/107;F04C18/107 |
主分类号 |
E21B4/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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