三元复合体系渗流特征及其动态损失规律研究

doi:10.13218/j.cnki.csdc.2018.11.003

日用化学工业 ›› 2018, Vol. 48 ›› Issue (11): 617-621.doi: 10.13218/j.cnki.csdc.2018.11.003

三元复合体系渗流特征及其动态损失规律研究

赵习森¹, 杨红¹, 于峰², 汪杰³, 王宏¹, 金志¹

1.陕西延长石油(集团)有限责任公司研究院,陕西西安 710075;
2.中国石油华北油田分公司第一采油厂,河北任丘 062550;
3.中国石油大学(北京)非常规天然气研究院,北京 102249

收稿日期:2018-04-28 出版日期:2018-11-22 发布日期:2019-03-18
通讯作者: 杨红,工程师,硕士,电话：18602935686,E-mail：yh_cup2011@sina.com。
作者简介:赵习森(1964-),男,教授级高级工程师,博士,电话：15109116850,E-mail：21559655@qq.com。
基金资助:
陕西延长石油(集团)有限责任公司科研项目(ycsy2014ky-A-11,ycsy2015ky-A-24)

Research on the seepage characteristics and dynamic damage rules of thealkali/surfactant/polymer flooding system (ASP)

ZHAO Xi-sen¹, YANG Hong¹, YU Feng², WANG Jie³, WANG Hong¹, JIN Zhi¹

1.Research Institute of Shaanxi Yanchang Petroleum (Group) Co.,Ltd,Xi’an,Shaanxi 710075,China;
2.NO.1 Production Plant of Huabei Oilfield Branch Company,PetroChina,Renqiu,Hebei 062550,China;
3.Institute of Unconventional and Natural Gas,China University of Petroleum (Beijing),Beijing 102249,China

Received:2018-04-28 Online:2018-11-22 Published:2019-03-18

摘要/Abstract

摘要： 针对以单一岩心尺度作为实验介质研究复合体系渗流特征及各组分损失规律不能完全真实地模拟其在实际油藏中的渗流特性的问题和评价各组分的损失规律仅以静态损失量作为评价指标存在局限性的问题,在优化各组分检测方法的基础上,开展了多个岩心尺度的三元复合体系渗流实验,研究了复合体系各组分的渗流特征及其动态损失规律。实验结果表明：随着岩心尺度的增大,碱和聚合物浓度曲线均呈逐渐滞后的趋势,且二者受吸附、滞留作用的损失率逐渐增大,而表面活性剂则变化不明显;各组分渗流前缘上游区域同一位置处各组分相对浓度大小顺序依次为：碱>表面活性剂>聚合物;同一岩心尺度下,复合体系注入不同阶段,吸附、滞留作用和多孔介质的剪切作用对聚合物黏度损失的贡献有所不同。

关键词: 表面活性剂, 三元复合体系, 岩心尺度, 渗流, 损失规律

Abstract: To solve the problems that (1) the ASP seepage characteristics in real petroleum reservoir can’t be properly simulated when using single core only;and (2) the loss can’t be evaluated accurately by the evaluation with just static loss,in this work,a seepage experiment for the ASP system was carried out to study its seepage characteristics and loss rules with different core scales on the basis of measuring method optimization.The experimental results show that,with the increase of core scale,the alkali and polymer curves are gradually pushed to the right and their loss ratios influenced by adsorption and retention are gradually increased.In contrast,the increase of core scale nearly has no influence on surfactant.The sequence of the relative concentration at the same position of the upstream region of seepage front is:alkali>surfactant>polymer.In addition,the contribution of adsorption,retention and shear on polymer viscosity loss are different with different stages of injection.

Key words: surfactant, ASP system, core scale, seepage, loss rule

中图分类号:

TQ423

赵习森, 杨红, 于峰, 汪杰, 王宏, 金志. 三元复合体系渗流特征及其动态损失规律研究[J]. 日用化学工业, 2018, 48(11): 617-621.

ZHAO Xi-sen, YANG Hong, YU Feng, WANG Jie, WANG Hong, JIN Zhi. Research on the seepage characteristics and dynamic damage rules of thealkali/surfactant/polymer flooding system (ASP)[J]. China Surfactant Detergent & Cosmetics, 2018, 48(11): 617-621.

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三元复合体系渗流特征及其动态损失规律研究

Research on the seepage characteristics and dynamic damage rules of thealkali/surfactant/polymer flooding system (ASP)

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