割缝筛管缝宽优化数值模拟  

Numerical Simulation Study on Optimization of Slot Width of Slotted Screen Tubes

作　　者：邓福成 桂福林 龚宁 张海雄 高志伟 DENG Fucheng;GUI Fulin;GONG Ning;ZHANG Haixiong;GAO Zhiwei(School of Mechanical Engineering,Yangtze University,Jingzhou,Hubei 434100,China;Bohai Petroleum Research Institute,Tianjin Branch of China National Offshore Oil Corporation Limited,Tianjin 300452,China;Sinopec Star(Beijing)New Energy Research Institute Co.,Ltd.,Beijing 100010,China)

机构地区：[1]长江大学机械工程学院,湖北荆州434100 [2]中海石油(中国)有限公司天津分公司渤海石油研究院,天津300452 [3]中石化新星(北京)新能源研究院有限公司,北京100010

出　　处：《西安石油大学学报（自然科学版）》2024年第2期94-102,共9页Journal of Xi’an Shiyou University（Natural Science Edition）

基　　金：国家自然科学基金“稠油油藏热采井出砂机理与流固热耦合计算方法研究”(51504040);湖北省技术创新专项“深部地热资源综合开发利用关键技术”(2016ACA181)。

摘　　要：对于割缝筛管缝宽的选择,大多数是基于经验公式,对防砂效果会产生较大的影响。利用CFD-DEM耦合方法研究不同因素对割缝筛管防砂性能的影响规律,结合正交试验确定各因素影响筛管性能指标的主次顺序,建立筛管防砂性能的回归方程模型,得到割缝筛管缝宽最优选择方式。结果表明:流通性能与挡砂性能最主要的影响因素为缝宽尺寸,抗堵塞性能主要受到流体黏度的影响;使用缝宽优化模型得到的最优解在整体防砂性能上优于经验公式的缝宽尺寸。研究结果可为特定储层条件下油气井防砂性能的预测与防砂介质的精度优化提供参考和借鉴。The selection of the slit width of the slotted screen tube will have a significant impact on the sand control effect,and most of it is based on empirical formulas.The influences of different factors on the sand control performance of slotted screen tubes are studied using the CFD-DEM coupling method,and the order of the influence degrees of the factors on the performance indicators of the screen tubes is determined through orthogonal experiments.A regression equation was established for the sand control performance of the screen tube,and the optimal selection method for the slot width of the slotted screen tube was obtained.The results show that the main factor affecting the flow performance and sand blocking performance of slotted screen tubes is the slot width,and the anti-plugging performance of screen tubes is mainly affected by fluid viscosity;The optimal slot width obtained using the slot width optimization model is superior to the slot width obtained based on empirical formulas in terms of overall sand control performance.The research results can provide reference and guidance for predicting the sand control performance of oil and gas wells under specific reservoir conditions and optimizing the accuracy of sand control media.

关 键 词：割缝筛管 CFD-DEM耦合 正交试验 回归分析 缝宽优化 

分 类 号：TE358[石油与天然气工程—油气田开发工程]