APPARATUS AND METHOD OF DETECTING INTERFACES BETWEEN WELL FLUIDS AND FOR DETECTING THE LAUNCH OF A DEVICE IN OILFIELD APPLICATIONS,申请号CA20032592638-传众专利搜索

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发明名称	APPARATUS AND METHOD OF DETECTING INTERFACES BETWEEN WELL FLUIDS AND FOR DETECTING THE LAUNCH OF A DEVICE IN OILFIELD APPLICATIONS
摘要
申请公布号	CA2592638(A1)	申请公布日期	2003.10.23
申请号	CA20032592638	申请日期	2003.04.03
申请人	BJ SERVICES COMPANY CANADA	发明人	HUGHES, RONNIE D.;DILLENBECK, ROBERT LEE;CARLSON, BRADLEY T.
分类号	E21B33/05;E21B33/13;E21B47/09	主分类号	E21B33/05
代理机构		代理人
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