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动态条件下超声储层水敏性去除实验研究*

本站小编 Free考研考试/2022-01-02
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华 强.动态条件下超声储层水敏性去除实验研究*[J].,2021,40(2):274-278
动态条件下超声储层水敏性去除实验研究*
Experimental study on water sensitivity removal of reservoirs by Ultrasound under dynamic conditions
投稿时间：2020-03-26修订日期：2020-11-02
中文摘要:
利用自主研制的超声发生仪,选取不同渗透率的天然岩心,模拟实际地层的温度、压力进行室内驱替实验,评价了渗流过程中超声作用对储层水敏性伤害去除的影响。研究表明,对于去除储层水敏性,超声频率存在最佳范围,频率与功率存在一定的补偿关系；超声最佳处理时间与储层物性有一定联系；渗透率恢复率与储层物性呈现较复杂的关系。研究结果有助于了解超声水敏性去除的作用机理,为该技术在油田现场的推广提供理论指导。
英文摘要:
By using the independently developed ultrasonic generator, natural cores with different permeability are selected to carry out the indoor core displacement experiment under simulation of the temperature and pressure of the actual formation, and the effect of ultrasonic action on the removal of reservoir water sensitive damage has been evaluated during seepage.The results show that for removing reservoir water sensitivity, ultrasonic frequency has an optimal range, there is a certain compensation relationship between frequency and power, and there is a certain relationship between the optimal processing time of ultrasound and the physical properties of the reservoir. The relationship between permeability recovery rate and the physical properties of reservoirs presents a complex relationship. The results are helpful to understand the mechanism of ultrasonic water sensitive removal and provide theoretical guidance for the popularization of this technology in oil field.
DOI：10.11684/j.issn.1000-310X.2021.02.015
中文关键词:储层,水敏,超声波,渗透率恢复率,实验研究
英文关键词:Reservoir,Watersensitivity,Ultrasound,Permeabilityrecovery,Experimentalstudy
基金项目:河南省科技攻关计划项目（172102210434）、河南省高等学校重点科研项目（19B480004）
作者单位E-mail
华 强河南大学濮阳工学院huaqiangupc@163.com
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