化学驱数值模拟的IMPIMC方法

doi:10.6040/j.issn.1672-3961.9.2014.003

摘要/Abstract

摘要： 针对化学驱采油中聚合物-表面活性剂-碱三元复合驱数学模型,提出一种顺序隐式求解算法。首先顺序隐式求解压力-组分浓度方程(implicit pressure and implicit concentration, IMPIMC),然后用牛顿雷弗森迭代方法求解化学反应平衡方程组;通过三元复合驱数值模拟,将该隐式算法和传统的隐式压力-显式组分浓度(implicit pressure and explicit concentration, IMPEC)方法进行了比较,结果表明,采用该隐式算法稳定性好,计算速度提高45%以上。

关键词: 隐格式, 数值模拟, 三元复合驱, IMPIMC

Abstract: The numerical methods in ASP (alkali-surfactant-polymer) combination flooding simulation were studied, and a new implicit sorting algorithm was introduced. The pressure equations and the components' concentration equations were solved via upstream sorting implicit method, and then the chemical reaction equations were solved with Newton-Raphson iteration method. The implicit scheme introduced was compared with the traditional IMPEC method through ASP combination flooding simulation. The results showed that the stability was better, and the computational speed could be improved by more than 45%.

Key words: ASP combination flooding, implicit algorithm, IMPIMC, numerical simulation

中图分类号:

TE319

曹伟东, 戴涛, 于金彪, 席开华, 鲁统超, 程爱杰. 化学驱数值模拟的IMPIMC方法[J]. 山东大学学报(工学版), 2015, 45(1): 88-94.

CAO Weidong, DAI Tao, YU Jinbiao, XI Kaihua, LU Tongchao, CHENG Aijie. An IMPIMC method for chemical simulation[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2015, 45(1): 88-94.

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