METHOD AND APPARATUS AND PROGRAM STORAGE DEVICE ADAPTED FOR AUTOMATIC DRILL BIT SELECTION BASED ON EARTH PROPERTIES,申请号EP20050725869-传众专利搜索

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发明名称	METHOD AND APPARATUS AND PROGRAM STORAGE DEVICE ADAPTED FOR AUTOMATIC DRILL BIT SELECTION BASED ON EARTH PROPERTIES
摘要
申请公布号	EP1769135(A1)	申请公布日期	2007.04.04
申请号	EP20050725869	申请日期	2005.03.17
申请人	SCHLUMBERGER HOLDINGS LIMITED;SERVICES PETROLIERS SCHLUMBERGER	发明人	CHEN, PATRICK;GIVENS, KRIS;VEENINGEN, DAAN
分类号	E21B44/00;E21B10/00;E21B41/00	主分类号	E21B44/00
代理机构		代理人
主权项
地址

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