动态“一点法”产能方程在气藏开发中的应用  

Application of Dynamic One-point-method Deliverability Equation to Reservoir Development

作　　者：韩家新[1] 

机构地区：[1]中国石化集团江汉石油管理局井下测试公司,湖北武汉430040

出　　处：《天然气技术与经济》2015年第2期29-30,36,共3页Natural Gas Technology and Economy

摘　　要：在气藏开发过程中,尤其是高压、高含硫气藏,由于产能测试资料有限,快速准确地评价单井产能难度很大。然而动态"一点法"产能公式只需要测试工作制度下的稳定产量及对应的流压,就能实现产能评价。应用此方法可以大幅度减少工作量和测试时间,同时,还可以获得准确的气井产能。通过介绍常规"一点法"产能方程,推导出动态"一点法"理论公式,并针对不同区间的无阻流量建立"动态产能系数",确立动态"一点法"经验公式。结果表明,与常规"一点法"产能公式相对比,动态"一点法"产能公式更加准确。During the development of gas reservoirs particularly with high pressure and H2S, it is very difficult to fast and accurately evaluate a deliverability of single well due to limited testing data. However, a dynamic one-point-method deliverability equation can realize a deliverability evaluation since it only needs to test both stable gas production and corresponding flowing pressure. It not only reduces sharply workload and testing time but also obtains an accurate productivity. This paper presents the conventional onepoint- method deliverability equation, develops the dynamic onepoint-method theoretical equation, establishes the dynamic flow capacity for different openflow capacity, and finally determines the dynamic one-point-method empirical equation. Results show that the dynamic one-point-method deliverability equation is more exact than the conventional one.

关 键 词：一点法 产能评价 产能系数 无阻流量 

分 类 号：TE328[石油与天然气工程—油气田开发工程] TE37