Numerical Simulation Based on High Pressure Jet Mud Impact Technology

2018 International Conference on Civil and Hydraulic Engineering

土木建筑工程;水利工程

Zhang, Xiaohui^1 ; Zhu, Genmin^2 ; Zhao, Dongfeng^2

School of Petrochemical and Energetic, Zhejiang Ocean University, Zhoushan, zhejiang

316022, China^1

United Nation-Local Engineering Laboratory of Harbor OilandGas Storage and Transportation Technology, Zhoushan, zhejiang

316022, China^2

关键词: Colloidal solutions;    Crude oil reservoirs;    Crude oil storage;    Fine sediments;    High shear rate;    Sludge deposition;    Submerged jets;    Suction effects;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/189/4/042029/pdf
DOI  :  10.1088/1755-1315/189/4/042029

学科分类：土木及结构工程学

来源: IOP

【 摘 要 】

Since crude oil is composed of colloidal solution, solid hydrocarbon, asphaltene, and fine sediment dispersal, the problem of sludge deposition will occur after the long-term operation of the underground crude oil storage. The high shear rate produced by the jet has a suction effect on the sludge. Based on the advantages of groundwater sealing reservoirs, this study uses CFD software to study the jet flow of underground crude oil reservoirs, and analyzes the effects of the flow on the sludge and the changes of the flow with time. The research shows that the jet stream has impact and entrainment in the convection field, and the jet at a certain speed can make the flow field circulate as a whole, and dissolve the sludge at the bottom of the reservoir. The energy of submerged jet decays rapidly in the process of advance.