Study on temperature field of thermal cracking drilling flow field under the condition of bottom hole submerged jet

Thermal Science

Tan Jun¹  Wang Guohua²  Li Chengxiao³ 

[1] College of Petroleum Engineering, Guangdong University of Petrochemical Technology, Maoming, China;College of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu, China;Drilling & Production Technology Research Institute of CNPC Chuanqing Drilling Engineering Co., Ltd., Guanghan, China;

关键词: temperature field;    thermal cracking;    submerged jet;   

DOI  :  10.2298/TSCI200605310W

来源: DOAJ

【 摘 要 】

In the deep well bottom hole environment, there are several different substances in the process of pyrolysis drilling, such as high temperature supercritical jet medium, cooling water and cuttings, which can be considered as submerged non-free jet of supercritical fluid in low temperature environment. From the energy point of view, there are heat transfer between supercritical fluid and cooling water, heat transfer between supercritical fluid and bottom rock surface, and heat transfer between up flow and well wall. Due to the complexity of the components, the transfer process of these energies is very complex, which has an important impact on the efficiency of thermal cracking drilling. Therefore, it is of great significance to study the heat transfer law under the condition of bottom hole submergence.

【 授权许可】

Unknown