分子沉积膜驱油效率实验及影响因素分析  

Experiment on Efficiency of Molecular Deposition Film Flooding and Analysis on the Influence Factors

作　　者：杨力生[1] 郭艳[1] 吕帅[1] 吕晓华[1] 盛海燕[1] 李树斌[2] 

机构地区：[1]中国石化河南油田分公司勘探开发研究院,南阳473132 [2]中国石化河南油田分公司石油工程技术研究院,南阳473132

出　　处：《精细石油化工进展》2009年第12期1-3,6,共4页Advances in Fine Petrochemicals

摘　　要：研究了分子沉积膜驱油剂的驱油效率。通过岩心驱替实验,考察了岩心渗透率、段塞尺寸(宏观和微观条件下)、膜剂浓度和阳离子度、吸附时间、温度等因素对膜剂驱油效率的影响。实验结果表明,膜剂驱油能有效提高原油采收率,岩心渗透率和温度对膜剂驱油效率影响较小,段塞尺寸、吸附时间和膜剂阳离子度对驱油效率有一定的影响,较高的膜剂浓度有利于提高采收率。当膜剂质量浓度为1 500 mg/L、膜剂阳离子度大于24%、膜剂注入体积约为1 PV、吸附时间12 h以上时,可获得较高的原油采收率。The efficiency of the molecular deposition film flooding was studied. By the core flooding tests, the effects of the factors such as core permeability, plug dimension （macroscopic and microscopic ）, concentration and cationic degree of the film flooding agent, absorption time, and temperature on the flooding efficiency of film flooding agent were analyzed. The results showed that MD film flooding could increase oil recovery availably. The effects of core permeability and temperature on EOR were less, and those of plug dimension and cationic degree of the film flooding agent were much. The higher oil recovery was obtained when the concentration of the film flooding agent was 1 500 mg/L, the cationic degree of the film flooding agent was more than 24%, the volume of the film flooding agent was 1 PV, the absorption time was more than 12 h.

关 键 词：分子沉积膜 膜驱剂 采收率 驱油 

分 类 号：TE357.4[石油与天然气工程—油气田开发工程]