油井气液两相流的温度与压力耦合研究  

The temperature and pressure coupling during gas-liquid two-phase flow in the wellbores

作　　者：钟英[1] 梁毅[2] 张鹏超[1] 张军斌[1] 刘军[1] 刘焕梅[1] 

机构地区：[1]中国石油长庆油田分公司第一采油厂,陕西延安716000 [2]中国石油长庆油田分公司油气工艺研究院,陕西西安710021

出　　处：《石油化工应用》2017年第4期48-50,76,共4页Petrochemical Industry Application

摘　　要：运用热力学、传热学以及两相流理论,对油井稳定连续生产时的传热过程进行了理论分析,建立了数学模型,并运用数学方法对该模型进行了求解,该模型综合考虑了井筒的径向传热,不同环空传热介质及地层的热物理性质沿井深的变化,环空中流体的对流换热,辐射以及传热,焦耳-汤姆逊系数以及液相的体积膨胀系数。采用该井筒温度分布计算模型为依据,借鉴均质模型的井筒压力求解方法计算井底流压。According to the thermodynamics, the theory heat transfer and the theory of two- phase flow, providing the theory analysis of heat transfer process in the steay and continuious working and provide mathematical model, and solved with mathematical method. The model, which accords with the actual situation, allows for the radial heat transfer of the wellbore, different heat transfer medium in annular and the change, with the depth of the physical properties of the formation, the convection heat transfer in the annulus, radiation, conduction, Joule-Thompson coefficient and the coefficient of cubic expansion of the liquid expansivity. Base on the wellbore temperature distribution model in this paper, computing the wellbore pressure distribution in the base of homogen method.

关 键 词：温度 压力 两相流 井筒 体积膨胀系数 

分 类 号：TE319[石油与天然气工程—油气田开发工程]