油气藏压裂后产能影响因素的岭回归分析

Analysis on Main Factors to Influence the Productivity of Oil-gas Reservoir after Fracturing by Ridge Regression

油气藏在压裂后产能变化幅度大,对影响其压后产能的因素不清楚。岭回归分析法就是通过现有压裂井的大量储层参数、压裂设计施工参数和生产参数,对压后产能与相互独立的参数建立数学模型,得出各参数与压后产能的岭回归数学模型。分析影响压后产能的主要因素,为优化压裂设计参数提供依据。

The changing magnitude of productivity after fracturing is large, and influence factors of productivity after fracturing are not clear. Through analysis a large number of existing wells reservoir parameters, fracturing design and construction parameters and production parameters, it uses productivity after fracturing and independent parameters to gain ridge regression mathematical model. The paper analyzes the influence of formation and fracturing operation parameters by the model and discusses how to improve fracturing results.