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 US9534479(B2) 申请公布日期 2017.01.03
申请号 US201313837481 申请日期 2013.03.15
申请人 AMEC Foster Wheeler USA Corporation 发明人 Austin John A.;Young Raymond Christopher
分类号 B08B9/04;E21B43/12;F16L1/16;B08B9/055;B08B1/00;B08B5/00;B08B3/00;B08B3/04;B08B9/00;B08B9/027;B08B9/032 主分类号 B08B9/04
代理机构 Winstead PC 代理人 Winstead PC
主权项 1. A method for displacing fluid from a pipe, the method comprising: engaging a friction-pin unit with the pipe, the friction pin unit comprising a plurality of friction pins extending radially from a shaft, the plurality of friction pins being angulated relative to the shaft; pumping a displacement agent into the pipe via the fluid-displacement system; displacing away from the friction-pin unit, a fluid present within the pipe; and lifting the pipe via a recovery head attached to the friction-pin unit.
地址 Houston TX US