低渗透致密砂岩储层测井产能预测方法

摘要

以鄂尔多斯盆地苏里格气田盒8段低孔隙度、低渗透率致密砂岩气藏为主要研究层段,利用常规测井资料,提出了基于动态标定静态法的多参数复合图版法、加权储能系数法和基于测井参数回归等致密砂岩气层产能分级预测模型和标准,实现对气井产能的快速分类,从而达到从定性到定量对天然气储层的产能进行评价和预测的目的.实际应用表明该产能预测方法有效、实用.%To survey He8 tight sand reservoir with low porosity and permeability in Sulige gas field in Ordos basin, this paper proposes the tight sand reservoir productivity prediction model and classification criterion based on well log data, such as static parameter compound plate defined by dynamic parameters, weighted reserve coefficient method and logging parameters regression method based on conventional log data, getting quick classification of gas well productivity. We can predict sand reserve quantitatively instead qualitatively with the methods. Applications show that the methods of productivity prediction are effective and practical.