基于井间连通性的碳酸盐岩油藏注采关系优化

doi:10.7657/XJPG20210511

新疆石油地质 ›› 2021, Vol. 42 ›› Issue (5): 584-591.doi: 10.7657/XJPG20210511

基于井间连通性的碳酸盐岩油藏注采关系优化

雷昇¹(), 周玉辉¹(), 王宁^2a, 赛尔江·阿哈提^2b, 郑强^2a, 盛广龙¹

1. 长江大学石油工程学院,武汉 430100
2. 中国石油新疆油田分公司 a.勘探开发研究院；b.百口泉采油厂,新疆克拉玛依 834000

收稿日期:2020-09-09 修回日期:2020-11-09 出版日期:2021-10-01 发布日期:2021-09-28
通讯作者: 周玉辉 E-mail:779644318@qq.com;zhyhtree@163.com
作者简介:雷昇（1995-）,男,湖北潜江人,硕士研究生,油气田开发,（Tel）13125040083（E-mail） 779644318@qq.com
基金资助:
国家自然科学基金(51874044);国家科技重大专项(2016ZX05014)

Injection-Production Optimization of Carbonate Oil Reservoirs Based on a Well Connectivity Model

LEI Sheng¹(), ZHOU Yuhui¹(), WANG Ning^2a, Saierjiang AHATI^2b, ZHENG Qiang^2a, SHENG Guanglong¹

1. School of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China
2. PetroChina Xinjiang Oilfield Company, a.Research Institute of Exploration and Development; b.Baikouquan Oil Production Plant, Karamay, Xinjiang 834000, China

Received:2020-09-09 Revised:2020-11-09 Online:2021-10-01 Published:2021-09-28
Contact: ZHOU Yuhui E-mail:779644318@qq.com;zhyhtree@163.com

摘要/Abstract

摘要：

碳酸盐岩油藏储集层非均质性强,注水开发时注入水易沿高渗通道窜进,导致生产井发生水窜或水淹、含水率上升速度加快、开发效率低。基于井间连通性原理,根据缝洞型碳酸盐岩油藏的地质特征、开发动态等,可定量表征井间的连通性参数传导率和连通体积,构建碳酸盐岩纵向多层油藏井间连通性模型,进而获取油藏各层注水井平面注水劈分系数、注水利用率等。结合自动历史拟合方法和生产优化算法,实现对油水井生产动态的实时优化和预测。现场应用表明,该方法年增油1.1×10⁴ m³,具有较好的增油效果,对同类型油藏的高效开发有重要指导意义。

关键词: 碳酸盐岩油藏, 连通性, 传导率, 注水利用率, 注采关系优化

Abstract:

Carbonate oil reservoirs are very heterogeneous, so that injected water is easy to advance through high-permeability channels, and results in water channeling or flooding, and consequently fast rising water cut and low development effeciency in production wells. Based on the principle of well connectivity, and considering the geological features and development performance of fractured-vuggy carbonate oil reservoirs, parameters of well connectivity (conductivity and connected volume) were quantitatively characterized, then a vertical multi-layer well connectivity model was established, and parameters such as plane splitting coefficient and utilization rate of injected water were estimated for each layer of the oil reservoirs, and finally by using automatic history matching method and production optimization algorithm, real-time optimization and prediction of production performance of oil and water wells were realized. Field application has proved that the yearly incremental oil production is 1.1×10⁴ m³ by using this method and good effect has been obtained. The method has important guiding significance for efficient development of similar oil reservoirs.

Key words: carbonate oil reservoir, well connectivity, conductivity, utilization rate of injected water, injection-production optimization

中图分类号:

TE344

雷昇, 周玉辉, 王宁, 赛尔江·阿哈提, 郑强, 盛广龙. 基于井间连通性的碳酸盐岩油藏注采关系优化[J]. 新疆石油地质, 2021, 42(5): 584-591.

LEI Sheng, ZHOU Yuhui, WANG Ning, Saierjiang AHATI, ZHENG Qiang, SHENG Guanglong. Injection-Production Optimization of Carbonate Oil Reservoirs Based on a Well Connectivity Model[J]. Xinjiang Petroleum Geology, 2021, 42(5): 584-591.

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基于井间连通性的碳酸盐岩油藏注采关系优化

Injection-Production Optimization of Carbonate Oil Reservoirs Based on a Well Connectivity Model

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