发明名称 THREADED CONNECTIONS WITH AN ADJUSTABLE SECONDARY SHOULDER
摘要 A tubular threaded connection includes a threaded sub-assembly having a first tubular member, a first torque member threadingly received on the first tubular member, and a second torque member threadingly received on the first tubular member. In forming the threaded sub-assembly, the first torque member is torqued relative to the second torque member. Furthermore, the sub-assembly is configured to receive a second tubular member for torqueing against the sub-assembly.
申请公布号 WO2015168552(A2) 申请公布日期 2015.11.05
申请号 WO2015US28794 申请日期 2015.05.01
申请人 NATIONAL OILWELL VARCO, L.P. 发明人 MARCHAND, NICHOLAS RYAN
分类号 F16L15/00 主分类号 F16L15/00
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