摘要
在中原油田矿场示踪剂监测的基础上,根据常规示踪剂分析技术存在的问题,针对影响示踪剂运移规律的层间非均质性以及水淹程度不同所造成的产出曲线双峰值情况进行了系统的分析。结果表明,在多层合注合采的注采井网中,若水淹程度相近,渗透率级差为3.3且低渗透层与高渗透层的厚度比大于4.0时可能出现双峰现象。该研究成果为现场的工艺分析和示踪剂技术的实施提供了可靠的科学依据。
According to the issues existing in the conventional tracer analytic technique,systematic analysis is made on double peak of output curve caused by interlayer heterogeneity which affects the tracer migration law and by different degree of water flooding based on tracer monitoring in Zhongyuan Oilfield. The results indicate that if the water flooding degree is approximate, double peak may occur when permeability differential is 3.3 and thickness ratio between low and high permeability layers is more than 4 in the multi-layer commingling production-injection pattern. It will offer reliable scientific foundation for the technological analysis of fields and the tracer technical implement.
出处
《油气地质与采收率》
CAS
CSCD
北大核心
2007年第1期76-78,共3页
Petroleum Geology and Recovery Efficiency
