Methods and application for water holdup calculation and flowing image based on array electromagnetic wave instrument in horizontal water-oil wells

CHEN Meng; XIE Weifeng; ZHANG Yu; YANG Guofeng; LIU Xiangjun

doi:10.13809/j.cnki.cn32-1825/te.2023.04.012

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Methods and application for water holdup calculation and flowing image based on array electromagnetic wave instrument in horizontal water-oil wells

更新时间：2025-12-05

- Methods and application for water holdup calculation and flowing image based on array electromagnetic wave instrument in horizontal water-oil wells
- Petroleum Reservoir Evaluation and Development Vol. 13, Issue 4, Pages: 505-512(2023)
- 作者机构：
  
  1. 西南石油大学地球科学与技术学院，四川成都 610500中国石油青海油田分公司钻采工艺研究院，甘肃敦煌,736202
  2. 中国石油青海油田分公司钻采工艺研究院，甘肃敦煌,736202
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2023.04.012
  CLC： TE33
- Published：2023
- 稿件说明：
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CHEN Meng, XIE Weifeng, ZHANG Yu, et al. Methods and application for water holdup calculation and flowing image based on array electromagnetic wave instrument in horizontal water-oil wells[J]. Petroleum Reservoir Evaluation and Development, 2023, 13(4): 505-512.
DOI：

CHEN Meng, XIE Weifeng, ZHANG Yu, et al. Methods and application for water holdup calculation and flowing image based on array electromagnetic wave instrument in horizontal water-oil wells[J]. Petroleum Reservoir Evaluation and Development, 2023, 13(4): 505-512. DOI： 10.13809/j.cnki.cn32-1825/te.2023.04.012.

摘要

准确求取水平井多相流持水率和反演井筒流体分布是揭示水平井开发动态的关键基础，以国产阵列电磁波持水率计为切入点开展研究，在对比分析现有阵列持水率定量计算方法基础上，提出了一种基于阵列探头径向投影中点切分面积计算持水率方法，同时对比建立了水平井筒油水两相流高、中、低含水率条件流体介质分布反演方法。研究表明，新方法计算水平井持水率平均绝对误差为4.43 %，相对误差为16.34 %，明显优于目前采用的权系数法和径向等高面积法；同时，高、中、低含水条件水平井筒流体分布反演以高斯径向基函数法和多元线性法最为匹配，研究成果为矿场水平井多相流生产动态评价奠定基础。

Abstract

The accurate calculation of the water holdup and the inversion of fluid distribution for multi-phase flow play a crucial role in understanding the development performance in horizontal wells. This study builds upon the array electromagnetic wave holdup instrument and proposes a novel method for calculating water holdup. The method is based on the weight of the mid-point tangential area of the probe's radial projection. Additionally

inversion methods for oil-water phase distribution in horizontal wells

considering high

middle

and low water content

were developed by comparing them with existing quantitative calculation methods of the array holdup instrument. The results demonstrated that the new method exhibited an average absolute error of 4.43 % and relative errors of 16.34 %. These values were significantly better than those obtained using the weight coefficient method and the radial contour area method. For the inversion of fluid distribution in horizontal wells with high

middle

and low water cut conditions

the Gaussian Radial Basis method and multivariate linear method provided the best matches. This research lays a solid foundation for evaluating the production performance of multi-phase flow in horizontal wells.

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