专利名称：METHOD FOR DRILLING A WELL IN
CONTINUOUS CIRCULATION AND DEVICEFOR INTERCEPTING AND REDISTRIBUTINGFLUID USED IN THIS METHOD
发明人：GIROLA, Giorgio申请号：EP15704202.9申请日：20150109公开号：EP3097251B1公开日：20170726
摘要：A method for drilling a well in continuous circulation and a device forintercepting and redistributing fluids for this drilling method wherein said devicecomprises a main chamber (5) communicating with a first auxiliary chamber (6) and with asecond auxiliary chamber (7), in which during the direct drilling flow (F1) mode, saidauxiliary chambers (6,7) are placed in fluid communication with each other.
申请人：HAD ENG S R L
地址：IT
国籍：IT
代理机构：Rastelli, Franco
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