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一种新的计算三元复合驱渗流规律的方法
引用本文:魏洪涛,周庆,张虓雷,刘忠原. 一种新的计算三元复合驱渗流规律的方法[J]. 西南石油大学学报(自然科学版), 2022, 44(2): 89-96. DOI: 10.11885/j.issn.1674-5086.2021.10.31.01
作者姓名:魏洪涛  周庆  张虓雷  刘忠原
作者单位:1. 中国石油大庆油田有限责任公司, 黑龙江 大庆 163712;2. 黑龙江省油层物理与渗流力学重点实验室, 黑龙江 大庆 163712;3. 中国石油大庆油田有限责任公司第一采油厂, 黑龙江 大庆 163712
摘    要:为突破三元复合驱渗流规律研究瓶颈,提出以流度变化来代替三元复合驱驱油过程中黏度变化对渗流规律的影响,简化渗流运动方程,利用稳态法和非稳态法实验数据拟合方程参数.通过该方法可处理得到两相流度曲线,并推导出考虑流度变化下的无因次采液、采油指数计算方程.通过实例验证及方法对比,发现该方法计算简便,准确性较高.该方法的优点是避...

关 键 词:三元复合驱  复合驱  渗流规律  方法  流度  相对渗透率曲线
收稿时间:2021-10-31

A New Method to Calculate the Seepage Law of ASP Flooding
WEI Hongtao,ZHOU Qing,ZHANG Xiaolei,LIU Zhongyuan. A New Method to Calculate the Seepage Law of ASP Flooding[J]. Journal of Southwest Petroleum University(Seience & Technology Edition), 2022, 44(2): 89-96. DOI: 10.11885/j.issn.1674-5086.2021.10.31.01
Authors:WEI Hongtao  ZHOU Qing  ZHANG Xiaolei  LIU Zhongyuan
Affiliation:1. Daqing Oilfield Company Limited, PetroChina, Daqing, Heilongjiang 163712, China;2. Heilongjiang Key Laboratory of Reservoir Physics and Seepage Mechanics, Daqing, Heilongjiang 163712, China;3. No.1 Oil Plant, Daqing Oilfield Company Limited, PetroChina, Daqing, Heilongjiang 163712, China
Abstract:In order to break through the bottleneck of the study on the seepage law of ASP flooding, the effect of viscosity change on the seepage law is replaced by the change of fluidity, the equation of seepage motion is simplified, and the parameters of the equation are fitted with the experimental data of steady-state method and unsteady method. The two-phase fluidity curve can be processed by this method, and the calculation equation of dimensionless production fluid and oil recovery index is derived considering the fluidity change. The method is proved to be simple and accurate by example verification and comparison. The advantage of this method is that it avoids the influence of complex physical and chemical changes on fluid viscosity in ASP flooding, directly reflects fluid flow capacity, and provides a new idea and method for the study of ASP flooding seepage law.
Keywords:ASP flooding  composite flooding  seepage law  methods  mobility  relative permeability curve  
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