DEEP-DRILLING RELEASABLE TOOL ASSEMBLY OF FILTER AND CASING HOOK WITH PRODUCING RESPECTIVELY DRILL PIPE CONNECTION FOR WELL OPERATIONS OF OIL AND WATER PRODUCTION ADVANTAGEOUSLY FOR FORMING AND CONTROLLING SAND FILTER,申请号HU19870000298-传众专利搜索

发明名称	DEEP-DRILLING RELEASABLE TOOL ASSEMBLY OF FILTER AND CASING HOOK WITH PRODUCING RESPECTIVELY DRILL PIPE CONNECTION FOR WELL OPERATIONS OF OIL AND WATER PRODUCTION ADVANTAGEOUSLY FOR FORMING AND CONTROLLING SAND FILTER
摘要
申请公布号	HUT45749(A)	申请公布日期	1988.08.29
申请号	HU19870000298	申请日期	1987.01.30
申请人	MAGYAR SZENHIDROGENIPARI KUTATO-FEJLESZTOE INTEZET,HU	发明人	HEGYI,FERENC,HU;MADAR,GEZA,HU;MADAR,LASZLO,HU;RAKAR,GEZANE,HU;ZSOKA,ISTVAN,HU
分类号	E21B43/10;(IPC1-7):E21B43/10	主分类号	E21B43/10
代理机构		代理人
主权项
地址