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岩性地震勘探法是相对于构造地震勘探法而言的。过去的地震勘探法只是研究地下构造,七十年代以来,逐步发展了亮点法和虚测井等研究地层岩性的方法,包括直接找油气。这些都还只是间接对比岩性的方法,从地震剖面直接提取各种弹性波参数的直接对比方法,还有待于发展。文中评述了间接对比方法的各个步骤的要点及直接对比方法的可能途径。
Lithological seismic exploration method is relative to the structure of the seismic exploration method. In the past, the seismic exploration method only studied the subsurface structure. Since the 1970s, the methods of studying the lithology of the lithofacies, such as the bright spot method and the virtual logging method, have been gradually developed, including directly looking for oil and gas. All of these are still just methods of indirectly comparing lithologies. It is yet to be developed to directly extract various elastic wave parameters from the seismic profiles. The paper reviews the essentials of each step of the indirect comparison method and possible ways of direct comparison.