DETERMINATION OF DRILL BIT RATE OF PENETRATION FROM SURFACE MEASUREMENTS,申请号EP19930904240-传众专利搜索

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发明名称	DETERMINATION OF DRILL BIT RATE OF PENETRATION FROM SURFACE MEASUREMENTS
摘要
申请公布号	EP0626032(B1)	申请公布日期	1995.12.13
申请号	EP19930904240	申请日期	1993.02.22
申请人	ANADRILL INTERNATIONAL SA;SERVICES PETROLIERS SCHLUMBERGER	发明人	BOOER, ANTHONY K., "ORCHARD HOUSE"
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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