| 改变低渗透油藏润湿性提高采收率技术研究进展 |
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| 引用本文： | 王所良,汪小宇,黄超,柴巧玲,荆建春,蒋文学,王业飞.改变低渗透油藏润湿性提高采收率技术研究进展[J].断块油气田,2012,19(4):472-476. |
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| 作者姓名： | 王所良 汪小宇 黄超 柴巧玲 荆建春 蒋文学 王业飞 |
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| 作者单位： | 1. 中国石油长庆油田公司低渗透油气田勘探开发国家工程实验室,陕西西安710018;中国石油川庆钻探工程有限公司钻采工程技术研究院,陕西西安710018
2. 中国石油大学(北京)地球科学学院,北京,102249 |
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| 基金项目： | 中国博士后科学基金资助项目 |
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| 摘 要： | 油藏岩石润湿性是储层物性的一个基本特征参数,是影响油田特别是混合润湿或油湿性低渗透油田开发的重要因素.文中针对目前通过改变油藏岩石润湿性以提高原油采收率方面的相关技术及研究进行了详细调研,系统总结了改变油湿性油藏岩石润湿性以提高原油采收率的方法.经过归纳总结,认为目前这些方法主要分为物理法、化学法和微生物法3大类.润湿...
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| 关 键 词： | 低渗透油藏 润湿性 润湿性反转 采收率 机理 |
Research progress of EOR with alteration of rock wettability in low-permeability reservoir |
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| Wang Suoliang
,
Wang Xiaoyu
,
Huang Chao
,
Chai Qiaoling
,
Jing Jianchun
,
Jiang Wenxue
,
Wang Yefei.Research progress of EOR with alteration of rock wettability in low-permeability reservoir[J].Fault-Block Oil & Gas Field,2012,19(4):472-476. |
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| Authors: | Wang Suoliang Wang Xiaoyu Huang Chao Chai Qiaoling Jing Jianchun Jiang Wenxue Wang Yefei |
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| Affiliation: | 1.State Engineering Laboratory of Exploration and Development of Low-Permeability Oil ＆ Gas Field, Changqing Oilfield Company, PetroChina, Xi＇an 710018, China; 2.Research Institute of Drilling ＆ Production Engineering, Changqing Drilling Engineering Company Limited, PetroChina, Xi＇an 710018, China; 3.College of Geosciences, China University of Petroleum, Beijing 102249, China) |
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| Abstract: | Rock wettability of reservoir is a basic characteristic parameter of reservoir property and it can affect the oilfield development, especially in low-permeability reservoir with mixed wettability and oil wettability. This paper analyzes the relative techniques of ahering the rock wettabilily of oil reservoir to enhance the recovery ratio of crude oil and sums up the methods of ahering rock wettability of oil reservoir with oil wettability to enhance the recovery ratio. The methods can be divided into three categories： physical, chemical and microbial methods, h is believed that the mechanism of wettability alteration is to restore the wetlability of rock surface or to creale the double htyer adsorption on rock surface in order to make the wettability of rock surface reverse into water wet and improve the imbibition displacement action of capillary pressure through the stripping of polar comonent adsorbed by rock surface. Based on the sufficient understanding of wettability aheration meehanisms, the targeted adjustment of rock wettability of reservoir can realize the objective to enhance oil recovery. |
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| Keywords: | low-permeability reservoir wellability wettabillty reversal recovery ratio mechanisms |
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