METHOD OF STEPWISE CEMENTING OF WELLS,申请号SU19792772343-传众专利搜索

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发明名称	METHOD OF STEPWISE CEMENTING OF WELLS
摘要
申请公布号	SU829877(A1)	申请公布日期	1981.05.15
申请号	SU19792772343	申请日期	1979.05.31
申请人	VOLGOGRADSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI	发明人	SHEVCHENKO ALEKSANDR K,SU;BLINKOV NIKOLAJ N,SU
分类号	E21B37/00;E21B21/00;(IPC1-7):E21B37/00	主分类号	E21B37/00
代理机构		代理人
主权项
地址

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