海上低渗储层注水水质指标试验研究  

Experimental Study on Injecting Water Quality Index for Offshore Low Permeability Reservoirs

作　　者：高波[1] 徐国雄[1] 史斌[1] 苏延辉[1] 陈华兴[1] 江安[1] 王朋[1] 高建崇 

机构地区：[1]中海油能源发展股份有限公司采油技术服务分公司,天津300452 [2]中海石油(中国)有限公司天津分公司,天津300452

出　　处：《石油天然气学报》2014年第3期147-150,10,共4页Journal of Oil and Gas Technology

摘　　要：为了实现海上低渗储层注水过程的储层保护,有必要对注水水质指标开展试验研究。以渤中25-1低渗油田沙河街组储层为研究对象,分析储层孔隙结构特征,创新模拟注入水的配制方法,利用油田现场油样和水样对含油质量浓度、悬浮固体质量浓度、悬浮颗粒直径中值等3个主要控制指标进行单因素试验,研究确定综合指标并进行天然岩心的验证试验。通过试验研究,推荐了适合渤中25-1低渗油田沙河街组二段(Es2)和沙河街组三段(Es3)储层特征的注水水质主要控制指标。It was necessary to study the quality index of injected water by laboratory experiment for controlling the damage of offshore low permeability reservoirs during water injection.By taking Shahejie Formation in BZ25-1Low-permeability Oilfield as object,the reservoir pore structural features were analyzed,the preparation of injected water was simulated innovatively.Oil and water samples in the oilfield are collected and used to stimulate the main control factors of water quality index,including oil concentration,suspended matter concentration and the diameter of suspended particles.On the basis of experiment study,a comprehensive index is determined and verification test on natural core is performed.The appropriate main controlled indexes of water quality suitable for the reservoir characteristics of Es2and Es3in BZ25-1Low-permeability Oilfield are suggested.

关 键 词：低渗储层 注水 水质指标 单因素试验 

分 类 号：TE357.61[石油与天然气工程—油气田开发工程]