Design and Experimental Study on Casing Pipe Continuous Flow Cryostat System

Sun Changli, Miao Dianyuan, Chu Dejun, Gao Junjie, Xu Hongbo

Abstract


Casing pipe continuous flow cryostat system is the subsystems of liquid nitrogen freezing temporary plugging project. It is also an important supporting system which make the cooling uniform, safe and stable. The requirement analysis of cryogenic user have been carried out. The main technical specifications and requirements of the system has been defined. The process flow design and key components design have also been carried out. A verification experimental system has been built. The experimental results show that the design of continuous flow cryostat system is reasonable and the outlet temperature fluctuation is less than 0.3K, which can meet the design requirements.

Keywords


temporarily plugging, continuous flow cryostat system, well control technology


DOI
10.12783/dteees/iceee2018/27793

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