基于群体平衡的胶凝原油水力悬浮体系流动特性模拟  

Simulation of flow characteristics of hydraulic suspension system of gelled crude oil based on population balance

作　　者：孙省身 侯磊 杨琨 刘珈铨 张鑫儒 朱祚良 唐帅帅 周庆林 SUN Xingshen;HOU Lei;YANG Kun;LIU Jiaquan;ZHANG Xinru;ZHU Zuoliang;TANG Shuaishuai;ZHOU Qinglin(College of Mechanical and Transportation Engineering/MOE Key Laboratory of Petroleum Engineering,China University of Petroleum(Beijing),Beijing 102249,China;China Liaohe Petroleum Engineering Company Limited,Panjin 124010,China)

机构地区：[1]中国石油大学(北京)机械与储运工程学院/石油工程教育部重点实验室,北京102249 [2]中油辽河工程有限公司,辽宁盘锦124010

出　　处：《中国石油大学学报（自然科学版）》2024年第3期162-169,共8页Journal of China University of Petroleum(Edition of Natural Science)

基　　金：国家自然科学基金项目(51974335)。

摘　　要：胶凝原油水力悬浮体系流动特性研究是高含水油田实现不加热集输的关键。近年来随着计算流体力学的发展,数值模拟成为复杂流体流动特性研究的有效工具。根据群体平衡模型,引入关键的凝油颗粒碰撞聚并与剪切破碎函数,描述颗粒群间的相互作用,在三维管道模型下求解,通过文献试验数据对模拟结果进行验证。结果表明:随着流速或含水率的增加,凝油颗粒平均粒径减小,粒径呈圆环状分布,油相分布更加均匀,不易产生凝油壁面沉积;在高含水阶段,流速增大对流动压降增大的影响占主导地位,含水率的影响不明显,颗粒粒径减小或凝油沉积也会导致流动压降增大。The study on the flow characteristics of hydraulic suspension system of gelled crude oil is the key to realize unheated gathering and transportation in high water cut oilfield.In recent years,with the development of computational fluid dynamics,numerical simulation has become an effective tool to study the flow characteristics of complex fluids.Based on the population balance model,the key gelled oil particle collision aggregation and shear breakage functions were introduced to describe the interaction among particle groups.The solution was obtained under the three-dimensional pipeline model and the simulation results were verified by experimental data in the literature.The results show that with the increase of flow rate or water cut,the mean diameter of gelled oil particles decreases,the particle diameter takes a circular distribution,and the distribution of oil phase is more uniform,which is not easy to cause gelled oil wall deposition.In the high water cut stage,the influence of flow rate increasing on the increase of flow pressure drop is dominant,but the influence of water cut is not obvious.The decrease of particle diameter or gelled oil deposition can also lead to an increase in flow pressure drop.

关 键 词：胶凝原油 群体平衡模型 碰撞聚并 剪切破碎 流动特性 

分 类 号：TE832[石油与天然气工程—油气储运工程]