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    • 3. 发明申请
    • SYSTEM AND METHOD FOR MODELING FLUID FLOW PROFILES IN A WELLBORE
    • 用于在井筒中建模流体流轮廓的系统和方法
    • WO2010036599A3
    • 2010-06-03
    • PCT/US2009057644
    • 2009-09-21
    • BAKER HUGHES INCWANG XIAOWEI
    • WANG XIAOWEI
    • E21B47/06E21B47/12
    • E21B47/1005
    • A system for measuring a fluid flow rate in a wellbore disposed in an earth formation is disclosed. The system includes: a wellbore assembly configured to be disposed along a length of a wellbore, the wellbore configured to receive a wellbore fluid therein; a distributed temperature sensor (DTS) assembly disposed along the length of the wellbore and configured to take a plurality of temperature measurements along the length of the wellbore; and a processor in operable communication with the fiber optic sensor, the processor configured to receive the temperature measurements and apply a fluid flow rate model of fluid flow rates to the temperature measurements to calculate a fluid flow profile of the wellbore. The model is based on a steady-state energy balance between the wellbore fluid and the earth formation and a Joule- Thomson coefficient including a liquid volume expansion factor and a fraction of gas in the wellbore fluid.
    • 公开了一种用于测量设置在地层中的井筒中的流体流量的系统。 该系统包括:井筒组件,其构造成沿着井筒的长度设置,所述井筒构造成在其中容纳井筒流体; 分布式温度传感器(DTS)组件,其沿着井眼的长度设置并且被配置为沿着井筒的长度进行多个温度测量; 以及处理器,其与所述光纤传感器可操作地通信,所述处理器被配置为接收所述温度测量值,并将所述流体流速的流体流速模型应用于所述温度测量值,以计算所述井筒的流体流动分布。 该模型基于井筒流体和地层之间的稳态能量平衡,以及包括液体体积膨胀系数和井筒流体中气体分数的焦耳 - 汤姆森系数。