焊管2024，Vol.47Issue(12)：19-26,8.DOI:10.19291/j.cnki.1001-3938.2024.12.003
连续管内旋流射解堵工具参数优化与数值模拟
Parameter Optimization Design and Numerical Simulation Study of Internal Swirl Jet Deblocking Tool in Coiled Tubing
摘要
Abstract
In order to improve the cleaning efficiency of the tubing system,the structural parameters of the swirling jet tool in the coiled tubing were optimized,and the parameters of the swirling jet tool in the pipe were optimized under the conditions of the well depth of 7 000 m and the inner diameter of the tubing 73 mm.Through theoretical calculation,the equivalent diameter of nozzle is 6 mm,the minimum rock-carrying displacement is 165 L/min,and the optimal construction displacement is 270 L/min.Based on computational fluid dynamics,CFD numerical simulation was established to study the effects of impeller twist Angle,length and blade number on internal swirl field.By analyzing the distribution and diffusion Angle of the jet velocity field,the optimal parameters are obtained:the impeller twist angle is 270°,the length is 40 mm,and the number of blades is 3.The optimized tool produces high-speed swirling jets,increasing energy density and coverage,and enhancing cleaning results.关键词
连续管/射流清洗/参数设计/结构优化/喷嘴Key words
coiled tubing/jet cleaning/parameter design/structural optimization/nozzle分类
能源科技引用本文复制引用
张志伟,辛永安,刘家炜,吕维平,张炎,祝叶..连续管内旋流射解堵工具参数优化与数值模拟[J].焊管,2024,47(12):19-26,8.基金项目
中国石油天然气集团有限公司科学研究与技术开发项目"200℃/105 MPa 连续管钻磨/射流作业工具研制"(项目编号2020B-4018). （项目编号2020B-4018）
