大庆石油地质与开发2025，Vol.44Issue(2)：110-118,9.DOI:10.19597/J.ISSN.1000-3754.202311008
稠油油藏聚/表二元复合驱综合调控技术及其应用
Integrated control technique of polymer/surfactant flooding in heavy oil reservoirs and its application:Taking Ng3-4 reservoirs in south block of eastern Gudao area as an example
摘要
Abstract
Compared with Gudao Class Ⅰ reservoirs,Class Ⅱ reservoirs have characteristics of higher oil viscosity and higher heterogeneity,causing more severe fingering and more unbalanced displacement in the process of poly-mer flooding development.In order to solve the problems,integrated control technique of polymer/surfactant flood-ing in heavy oil reservoirs are studied by integrating laboratory experiment,numerical simulation and field control technique.The results show that adopting multi-dimensional well pattern adjustment,multi-rounds injection adjust-ment and multi-directional streamline adjustment maximizes reserves control and optimizes slug combination and displacement effect,finally achieving multi-layered and multi-directional fully producing of remaining oil.Whole-process efficient adjustment of polymer/surfactant flooding in high-viscosity reservoirs in south block of eastern Gud-ao area optimizes unit slug to 1.15 PV.Current unit recovery rate is 52.4%,with increment 17.0 percentage points more than that of water flooding.Calibrated recovery reaches 61.27%,setting a high level of polymer/surfactant flooding in heavy oil reservoirs.The research provides theoretical basis and practical experience for subsequent effi-cient development of similar heavy oil reservoirs by polymer/surfactant flooding.关键词
稠油油藏/聚/表二元驱/大段塞/综合调控/高效开发Key words
heavy oil reservoir/polymer/surfactant flooding/large slug/integrated control/efficient development分类
能源科技引用本文复制引用
姚秀田,谢向东,徐宏光,王宏,张亚男,张仲平..稠油油藏聚/表二元复合驱综合调控技术及其应用[J].大庆石油地质与开发,2025,44(2):110-118,9.基金项目
中国石油化工股份有限公司开发导向项目"大段塞二元驱转非均相复合驱提高采收率研究"(YTBXD-YTKF-2023-2-01-005-SL). （YTBXD-YTKF-2023-2-01-005-SL）
