APPARATUS FOR GRAVEL PACKING A PLURALITY OF SPACED ZONES IN A WELL WITH ONLY A SINGLE TRIP,申请号AU19850051769-传众专利搜索

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发明名称	APPARATUS FOR GRAVEL PACKING A PLURALITY OF SPACED ZONES IN A WELL WITH ONLY A SINGLE TRIP
摘要
申请公布号	AU5176985(A)	申请公布日期	1986.08.28
申请号	AU19850051769	申请日期	1985.12.31
申请人	HALLIBURTON CO.	发明人	DAVID DURWARD SZARKA
分类号	E21B33/124;E21B43/04	主分类号	E21B33/124
代理机构		代理人
主权项
地址

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