发明名称 Floating wedge thread for tubular connection
摘要 A tubular connection is provided with a first thread on a first step having an initial makeup location and a second thread on a second step, the second thread being a wedge thread and having a selected clearance on stab and load flanks at the initial makeup location of the first thread.
申请公布号 US7527304(B2) 申请公布日期 2009.05.05
申请号 US20040027015 申请日期 2004.12.30
申请人 HYDRIL LLC 发明人 MALLIS DAVID LLEWELLYN;SIVLEY, IV ROBERT S.;REYNOLDS, JR. HARRIS A.
分类号 F16L15/00 主分类号 F16L15/00
代理机构 代理人
主权项
地址