发明名称 METHOD AND SYSTEM FOR RECOVERING AND DISPLACING FLUID FROM A PIPE
摘要 In one aspect, the present invention relates to a method for displacing fluid from a pipe. The method includes engaging a fluid-displacement system with the pipe. A displacement agent is pumped into the pipe via the fluid-displacement system. Fluid present within the pipe is displaced by the displacement agent. The pipe is manipulated in a desired manner.
申请公布号 US2017008043(A1) 申请公布日期 2017.01.12
申请号 US201615274831 申请日期 2016.09.23
申请人 Foster Wheeler USA Corporation 发明人 Austin John A.;Young Raymond Christopher
分类号 B08B9/032;F16L1/16;F16L55/38;E21B43/01;E21B31/12;B08B9/027;E21B43/12 主分类号 B08B9/032
代理机构 代理人
主权项 1. A system comprising: a displacement-agent source containing a displacement agent; a friction-pin unit operatively coupled, via a conduit, to the displacement-agent source to allow transmission of the displacement agent from the displacement-agent source to the friction-pin unit, the friction-pin unit comprising: a sleeve;a guide cone formed at a first end of the sleeve;a shaft disposed coaxially within the sleeve; anda plurality of friction pins extending radially outward from the shaft.
地址 Houston TX US