APPARATUS AND METHOD FOR CONTROLLING OR LIMITING ROTOR ORBIT IN MOVING CAVITY MOTORS AND PUMPS,申请号EP20130793462-传众专利搜索

发明名称	APPARATUS AND METHOD FOR CONTROLLING OR LIMITING ROTOR ORBIT IN MOVING CAVITY MOTORS AND PUMPS
摘要	A moving cavity motor or pump, such as a mud motor, comprising: a rotor, a stator, and one or more apparatus for constraining (i.e., controlling or limiting) the movement of the rotor relative to the stator.
申请公布号	EP2855823(A1)	申请公布日期	2015.04.08
申请号	EP20130793462	申请日期	2013.05.23
申请人	SERVICES PÉTROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED	发明人	JARVIS, BRIAN P.;WILCOX, NIGEL;WILLIAMS, BRIAN;UNDERWOOD, LANCE;MURRAY, WILLIAM;CARIVEAU, PETER THOMAS;DOWNTON, GEOFFREY;LEE, LAWRENCE;ONODERA, SHUNETSU;ALVARADO, DANIEL;PUSHKAREV, MAXIM;TUNC, GOKTURK;PLOP, ANDREI;ASKEW, WARREN
分类号	E21B4/04;H02K7/12	主分类号	E21B4/04
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