本文介绍了一种低伤害压裂液体系和压裂过程中根据数值模拟裂缝温度剖面进行追加破胶剂的技术。在6 0— 80℃的地层条件下压裂液冻胶粘度稳定 ,滤失量低 ,破胶彻底 ,稳定粘土的性能好 ,在海拉尔盆地勘探压裂井压裂液返排率达 70 %左右 ,现场施工成功率高 ,增产效果明显 This article describes a low-damage fracturing fluid system and fracturing process based on numerical simulation of the fracture temperature profile additional gel breaker technology. In the formations of 60-80 ℃, the fracturing fluid has the characteristics of stable viscosity, low fluid loss, thorough gel breaking and good clay stability. The fracturing fluid in the fracturing fluid in the exploration and fracturing wells in Hailar Basin has a back flow rate of 70% , The success rate of on-site construction is high, and the stimulation effect is obvious