METHOD AND APPARATUS FOR ACCUMULATING LIQUID AND INITIATING UPWARD MOVEMENT WHEN PUMPING A WELL WITH A SEALED FLUID DISPLACEMENT DEVICE,申请号CA20042583636-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR ACCUMULATING LIQUID AND INITIATING UPWARD MOVEMENT WHEN PUMPING A WELL WITH A SEALED FLUID DISPLACEMENT DEVICE
摘要
申请公布号	CA2583636(A1)	申请公布日期	2004.12.06
申请号	CA20042583636	申请日期	2004.05.20
申请人	REITZ, DONALD D.	发明人	REITZ, DONALD D.
分类号	E21B43/12;E21B43/16	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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