基于井间连通性的油藏开发生产优化方法

doi:10.7623/syxb201705008

石油学报 ›› 2017, Vol. 38 ›› Issue (5): 555-561.DOI: 10.7623/syxb201705008

基于井间连通性的油藏开发生产优化方法

赵辉¹, 谢鹏飞¹, 曹琳¹, 李颖¹, 赵艳艳²

1. 长江大学石油工程学院湖北武汉 430100;
2. 中国石油化工股份有限公司石油勘探开发研究院北京 100728

收稿日期:2016-11-10 修回日期:2017-03-24 出版日期:2017-05-25 发布日期:2017-06-07
通讯作者: 赵辉,男,1984年3月生,2006年获中国石油大学(华东)学士学位,2011年获得中国石油大学(华东)博士学位,现为长江大学石油工程学院副教授,主要从事油气田开发、油藏工程及优化控制工程方面的研究。Email:zhaohui-712@163.com
作者简介:赵辉,男,1984年3月生,2006年获中国石油大学(华东)学士学位,2011年获得中国石油大学(华东)博士学位,现为长江大学石油工程学院副教授,主要从事油气田开发、油藏工程及优化控制工程方面的研究。Email:zhaohui-712@163.com
基金资助:
国家重大科技专项（2016ZX05014）和国家自然科学基金项目（No.51344003、No.51674039）资助。

Reservoir production optimization method based on inter-well connectivity

Zhao Hui¹, Xie Pengfei¹, Cao Lin¹, Li Ying¹, Zhao Yanyan²

1. College of Petroleum Engineering, Yangtze University, Hubei Wuhan 430100, China;
2. Sinopec Petroleum Exploration & Production Research Institute, Beijing 100728, China

Received:2016-11-10 Revised:2017-03-24 Online:2017-05-25 Published:2017-06-07

摘要/Abstract

摘要：

基于连通性思想与最优控制理论，建立了一种新的油藏开发生产优化设计方法。在现有井间连通性模型基础上，通过改进饱和度追踪方法，得到可预测油水动态的连通性模型，使其在处理油田常见液量剧变、关停井、转注等措施带来的流体转向时计算更为精确。在对油藏历史动态进行自动拟合反演后，建立了油藏生产最优控制模型，结合优化算法进行快速求解，最大化经济效益的同时，自动获取最优开发注采方案。概念算例表明，改进后饱和度追踪方法更为精确；实际算例显示，该方法能自动优化油井转注时机，且优化后注采方案能有效控水增油，提高经济开发效益，为现场开发方案设计提供指导。

关键词: 井间连通性, 油藏生产优化, 饱和度追踪, 历史拟合, 优化算法

Abstract:

Based on the inter-well connectivity and optimal control theory, this paper presented a new reservoir production optimization method.According to the existing inter-well connectivity model, the saturation tracing method was improved to obtain the connectivity model for predicting oil and water dynamics, and thus can more accurately calculate the fluid diversion caused by fluid upheaval, well shut-in, converted injection and other commonly-used measures.Through the automatic fitting inversion of dynamic history, the reservoir production optimization control model was established with the optimization algorithm for rapid solution.When maximizing economic benefits, the optimal injection and production scheme can be automatically obtained.The conceptual case demonstrated that the improved saturation tracking method is more accurate.The practical case also indicated that this method can automatically optimize the converted injection timing of oil well; meanwhile, the optimized injection and production scheme is able to effectively control water and increase oil yield, improve the economic development efficiency and provide a reference for on-site development scheme design.

Key words: inter-well connectivity, reservoir production optimization, saturation tracking method, historical fitting, optimization algorithm

中图分类号:

TE33

赵辉, 谢鹏飞, 曹琳, 李颖, 赵艳艳. 基于井间连通性的油藏开发生产优化方法[J]. 石油学报, 2017, 38(5): 555-561.

Zhao Hui, Xie Pengfei, Cao Lin, Li Ying, Zhao Yanyan. Reservoir production optimization method based on inter-well connectivity[J]. Acta Petrolei Sinica, 2017, 38(5): 555-561.

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基于井间连通性的油藏开发生产优化方法

Reservoir production optimization method based on inter-well connectivity

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