应用合成声波速度技术，结合振幅信息剖面，从已知井出发，总结出二叠系裂缝发育带在反射系数剖面及振幅信息剖面上的5种表现形式：①反射同相轴呈“眼球状”；②反射同相轴上凸；③层间时差增大；④反射层增多或减少；⑤小断层发育。利用这些识别标志，对四川东部卧、新、双构造带的二叠系裂缝发育带的分布进行了预测。 Based on the synthetic sound velocity technique and the amplitude information profile, five manifestations of the Permian fracture development zone on the reflection coefficient profile and amplitude information profile are summarized from known wells: (1) the reflection events are “eyeballs”; (2) the reflections are uplifted; (3) the time difference between layers increases; (4) the reflection layer increases or decreases; (5) the small faults develop. Using these identification signs, the distribution of Permian fracture development zones in the lying, new and dual tectonic belts in eastern Sichuan Province is predicted.