发明名称 WASHPIPE ASSEMBLY
摘要 A drilling system and a method of using a drilling system that has a first rotatable tubular connector, a second non- rotatable tubular connector and a washpipe assembly having at least one dynamic seal and defining a fluid conduit having at one end a first mating connector and at another end a second mating connector designed to interconnect with the first and second tubular connectors. A controllable torque driver is arranged to mechanically engage the washpipe assembly such that fluid connections are made between the first mating connector and the first tubular connector, and the second mating connector and the second tubular connector.
申请公布号 WO03018951(A2) 申请公布日期 2003.03.06
申请号 WO2002US27432 申请日期 2002.08.27
申请人 VARPO I/P, INC. 发明人 SENEVIRATNE, PADMASIRI, DAYA
分类号 E21B3/02;E21B21/02 主分类号 E21B3/02
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