Abstract

To accurately measure and evaluate the oil-water production profile of horizontal wells, a dynamic measurement experiment of oil-water two-phase flow in horizontal wells and numerical simulation were combined to establish a method for measuring the partial phase flow rate of oil-water two-phase stratified flow in horizontal wells. An experimental work was performed in horizontal oil-water two-phase flow simulation well using combination production logging tool including mini-capacitance sensor and mini-spinner. The combination tool provides a recording of holdup and velocity profiles at five different heights of the borehole cross-section. The effect of total flow rate and water-cut on the response of spinner and capacitive sensor at five measured positions were investigated. The capacitance water holdup interpolation imaging algorithm was used to determine the local fluid property and oil-water interface height, and the measured local fluid speed was combined with the numerical simulation result to establish an optimal calculation model for obtaining the partial phase flow rate of the oil-water two-phase stratified flow in the horizontal well. The calculated flow rates of five measured points are basically consistent with the experimental data, the total flow rate and water holdup from calculation are in agreement with the set values in the experiment too, suggesting that the method has high accuracy.

中文翻译：

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水平井中分层油水流的部分相流量测量

摘要

为了准确地测量和评价水平井的油水分布，将水平井中油水两相流的动态测量实验与数值模拟相结合，建立了测量油水分相流量的方法。水平井中的两相分层流。利用包括微型电容传感器和微型旋转器的组合生产测井工具，在水平油水两相流模拟井中进行了实验工作。组合工具可记录井眼横截面的五个不同高度处的滞留率和速度剖面。研究了总流速和含水率对五个测量位置处旋转器和电容式传感器响应的影响。用电容持水率插值成像算法确定局部流体性质和油水界面高度，并将测得的局部流体速度与数值模拟结果相结合，建立了求解局部流速的优化计算模型。水平井中油水两相分层流。五个测点的计算流量与实验数据基本一致，计算得出的总流量和持水率也与实验设定值相吻合，说明该方法具有较高的准确性。并将测得的局部流体速度与数值模拟结果相结合，建立了用于获得水平井油水两相分层流分相流速的最优计算模型。五个测点的计算流量与实验数据基本一致，计算得出的总流量和持水率也与实验设定值相吻合，说明该方法具有较高的准确性。并将测得的局部流体速度与数值模拟结果相结合，建立了用于获得水平井油水两相分层流分相流速的最优计算模型。五个测点的计算流量与实验数据基本一致，计算得出的总流量和持水率也与实验设定值相吻合，说明该方法具有较高的准确性。