METHOD AND APPARATUS TO DETERMINE BEGINNING OF STRATUM FLUID APPEARANCE AND ABSORPTION OF DRILLING MUD,申请号SU19904849017-传众专利搜索

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发明名称	METHOD AND APPARATUS TO DETERMINE BEGINNING OF STRATUM FLUID APPEARANCE AND ABSORPTION OF DRILLING MUD
摘要
申请公布号	RU2032071(C1)	申请公布日期	1995.03.27
申请号	SU19904849017	申请日期	1990.07.12
申请人	SEVERO-KAVKAZSKIJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT PRIRODNYKH GAZOV	发明人	KUZNETSOV VLADIMIR GRIGOREVICH;NIFANTOV VIKTOR IVANOVICH;TENN RUDOLF ALFREDOVICH;YASHIN ALEKSANDR FEDOROVICH
分类号	E21B45/00;(IPC1-7):E21B45/00	主分类号	E21B45/00
代理机构		代理人
主权项
地址

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