春10井区特稠油水平井蒸汽吞吐注采参数优化研究

Study on injection and production parameters of steam soak for horizontal well of super-heavy oil reservoir in Chun-10 well-block

摘要: 春光油田春10井区主力产油层沙湾组Ⅱ2、Ⅱ1层地质情况复杂,在蒸汽吞吐开采过程中,缺乏合理、有效的方法指导注采参数的选择,阻碍了该区经济开发效益的提高。针对上述问题,建立了适合该区特稠油水平井蒸汽吞吐注采参数优化调整的地质模型,并利用数值模拟技术优化了注采参数,确定出分层系分类井的注采参数指标。

Abstract: Main oil layers of N1S1II2 and N1S1II1 of well-block Chun 10 in Chunguang Oilfield has complicated geological features.During the process of steam soak,there was no reasonable and effective method to provide guidance for choosing injection and production parameters and therefore it hindered the improvement of economic benefits.Aiming at the above problem,the geological model which is suitable for the optimization of injection and production parameters in horizontal well has been established.Based on this geological model,the optimum injection-production parameters of different wells which have different location and layer series of development has been confirmed by numerical simulation and it can be used for choosing injection and production parameters of steam soak.