考虑无效注水的合理注采比研究
Research on Reasonable Injection-Production Ratio Considering Invalid Water Injection

作者: 徐志涛 :东北石油大学提高采收率教育部重点实验室,黑龙江 大庆; 王小欣 :大庆油田有限责任公司第六采油厂,黑龙江 大庆; 周宇洋 :中国石油大学(北京)石油工程学院,北京;

关键词: 合理注采比无效注水物质平衡原理Logistic旋回理论Z油田Reasonable Injection-Production Ratio Invalid Water Injection Material Balance Principle Logistic Cycle Theory Z Oilfield

摘要:
注水开发油田一般是通过注采平衡来保证油井具有旺盛的生产能力,要实现注采平衡就必须有一个合理的注采比。但是油田在长期的注水开发之后,不可避免地会产生一部分无效注水,而某一时刻的无效注水比例是难确定。本文以物质平衡原理与Logistic旋回理论为基础进行了考虑无效注水的合理注采比的理论推导,同时推导出了确定无效注水比例的理论计算方法。基于实际Z油田的生产数据,对该油田的合理注采比进行了计算,并与应用油藏数值模拟方法确定出的Z油田的合理注采比进行了对比,验证了此方法的正确性,该方法对油田确定合理的注采比有一定的指导意义。

Abstract: Waterflooding oilfield usually needs injection-production balance to ensure production wells have a strong production capacity. In order to realize the injection-production balance, it must have a reasonable injection-production ratio. But in the long-term waterflooding oilfield, it will produce part of invalid water injection inevitably, and the proportion of invalid water injection at a certain moment is difficult to determine. Based on the material balance principle and the Logistic cycle theory, theoretical derivation of reasonable injection-production ratio considering of invalid water injection is established, and the theoretical calculation method of the invalid water injection rate is also derived. Based on the production data of actual Z oilfield, reasonable injection-pro- duction ratio of the oil field is calculated, and reasonable injection-production ratio of Z oilfield with application of reservoir numerical simulation method to determine has carried on the contrast, so validate the correctness of this method. This method to determine reasonable injection- production ratio of oilfield has certain guiding significance.

文章引用: 徐志涛 , 王小欣 , 周宇洋 (2016) 考虑无效注水的合理注采比研究。 自然科学, 4, 189-194. doi: 10.12677/OJNS.2016.42023

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