Fourthly, the prestack time migration is introduced in AVO inversion to improve AVO techniques to meet the needs of the gas/water prediction of high steep complicated structure.

• 第四，针对高陡复杂构造的特点，在AVO反演中引入了叠前时间偏移的思想，将AVO技术进行了改进，有效地适应了高陡复杂构造的气水预测；