四川盆地低渗透砂岩气藏大型水力加砂压裂配套技术研究

Research on Supporting Technologies for Large-scale Hydraulic Sand Fracturing of Low-Permeability Sandstone Gas Reservoirs in the Sichuan Basin

本文主要介绍了四川盆地低渗透砂岩气藏储层的特征及压裂液体系的特点,阐述了水力加砂压裂的原理和技术参数,探讨了四川盆地低渗透砂岩气藏大型水力加砂压裂配套技术的现场应用,旨在加强对低渗透砂岩气藏开发的研究,充分发挥水力加砂压裂配套技术的作用,不断优化气藏整体压裂方案设计,保证低渗透砂岩气藏开发效果,大力推动四川盆地内砂岩气藏勘探开发。

This article mainly introduces the characteristics of low-permeability sandstone gas reservoir in the Sichuan Basin and the features of fracturing fluid system.It elaborates on the principles and technical parameters of hydraulic sand fracturing,explores the field application of large-scale hydraulic sand fracturing technology for low-permeability sandstone gas reservoirs in the Sichuan Basin.The aim is to strengthen the research on the development of low-permeability sandstone gas reservoirs,fully utilize the role of hydraulic sand.fracturing technology,continuously optimize the overall fracturing design of gas reservoirs,ensure the development effect of low-permeability sandstone gas reservoirs,and vigorously promote the exploration and development of sandstone gas reservoirs in the Sichuan Basin.