发明名称 ROTATING MANDREL CASING HANGERS
摘要 Rotating mandrel casing hangers are provided. In one embodiment, a system includes a casing hanger having a lower end configured to engage a casing string and a running tool configured to engage the casing hanger. The system is configured to facilitate rotation of the casing hanger within a casing head to rotate the casing string while cementing the casing string within a well. Additional systems, devices, and methods are also disclosed.
申请公布号 US2014311753(A1) 申请公布日期 2014.10.23
申请号 US201313867947 申请日期 2013.04.22
申请人 CAMERON INTERNATIONAL CORPORATION 发明人 Hanson Andrew R.;Cavanagh James D.;Levert, JR. Michael F.;Shirley Brandon B.;Sommerfeld Kyle A.;Lim Timothy W.;Christopherson Adam J.
分类号 E21B17/08 主分类号 E21B17/08
代理机构 代理人
主权项 1. A system comprising: a casing hanger having external threads and external recesses; and a running tool having internal threads for engaging the external threads of the casing hanger, the running tool further including locking pins arranged to engage the external recesses and enable torque on the running tool to be applied to the casing hanger for synchronous rotation via engagement of the locking pins with the external recesses when the running tool is threaded onto the casing hanger.
地址 Houston TX US