摘要
CDG体系形态结构特殊,具有驱油和调剖的双重效能,良好的耐温抗盐性能及相对于常规聚合物驱更加低廉的成本,近年来将其应用于提高原油采收率,CDG驱成为了一种新技术。总结了近十几年来中国对于CDG体系研究的基础成果和现场应用所取得的进展,对于CDG的制备、成胶机理、形成的影响因素、渗流特征、驱油机理、评价方法及现场试验效果等进行了综述,指出中国CDG体系用于提高原油采收率的未来发展方向应着重于建立CDG体系的统一评价方法、根据油层地质特点筛选合适的CDG配方和合理的注入工艺以及开展CDG体系环境友好性等方面的研究。
CDG system has special structure,which can he used for oil displacementand profile control.CDG flooding is a new technology on enhancing oil recovery for its super temperature -resistance and salt-resisting performance and low cost than general polymer flooding.The development on research and application of CDG in our country was overviewed.A detailed summarization on preparation,gelling mechanism,influencing factors,seepage characteristics,oil displacement mechanism,evaluation methods and field application...
出处
《油气地质与采收率》
CAS
CSCD
北大核心
2009年第1期55-58,61+115,共6页
Petroleum Geology and Recovery Efficiency
关键词
胶态分散凝胶
交联聚合物
驱油
调剖
提高采收率
研究进展
colloidal dispersion gel
crosslinked polymers
flooding
profile modification
enhancing oil recovery
research progress
