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发明名称
TORQUE REDUCING TUBING COMPONENT
摘要
申请公布号
EP1350004(A1)
申请公布日期
2003.10.08
申请号
EP20010271099
申请日期
2001.11.29
申请人
WEATHERFORD/LAMB, INC.
发明人
RASTEGAR, GHOLAM
分类号
E21B17/10;E21B17/22;(IPC1-7):E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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