低渗透油藏增产增注工艺技术研究  

Research on Production Increase and Injection Technology for Low Permeability Oil Reservoirs

作　　者：王增 霍萍萍 郝杰 Wang Zeng;Huo Pingping;Hao Jie(Yanchang Oilfield Co.,Ltd.Qilicun Oil Production Plant,Yanchang 717100)

机构地区：[1]延长油田股份有限公司七里村采油厂,陕西延长717100

出　　处：《石化技术》2024年第12期24-26,共3页Petrochemical Industry Technology

摘　　要：针对我国低渗透油藏储量占比高、开发难度大、采收率低的现状,探讨低渗透油藏增产增注的先进工艺技术。文章首先介绍了低渗透油田开发现状,包括勘探难度大、采收率受限、注水开发效果不佳、环保与成本压力大等。其次,对低渗透油藏阻塞物特征和形成进行了相关分析。最后,提出了低渗透油田增产增注技术,如水力压裂技术、酸化增注技术、水平井与多级压裂联合技术、纳米流体驱油技术等,通过综合运用多种增产增注技术,以期提升低渗透油藏的开发效率和采收率,为我国石油资源的持续稳定开发提供有力支持。This article aims to explore advanced technology for increasing production and injection in lowpermeability reservoirs,in order to address the current situation in China where low-permeability reservoirs have a high proportion of reserves,are difficult to develop,and have low recovery rates.The article first introduces the current situation of low-permeability oilfield development,including the difficulty of exploration,limited recovery technology,poor water injection development effect,and environmental and cost pressures.Secondly,a correlation analysis was conducted on the formation mechanism and characteristics of blockages in low-permeability reservoirs.Finally,in response to the technical challenges faced in the development of low-permeability oil reservoirs and the characteristics of low-permeability oil reservoirs,this article proposes production and injection technologies for lowpermeability oil fields,such as hydraulic fracturing technology,acidification injection technology,horizontal well and multi-stage fracturing combined technology,nanofluid flooding technology,etc.,in order to comprehensively apply various production and injection technologies to improve the development efficiency and recovery rate of lowpermeability oil reservoirs,and provide strong support for the sustainable and stable development of China’s petroleum resources.

关 键 词：低渗透油田 采收率 增产 增注 

分 类 号：TE3[石油与天然气工程—油气田开发工程]