基于高精度三维地震资料以及相干地震属性,对川中高石梯地区广泛发育的岩溶塌陷体进行识别。塌陷体主要分布在张性走滑断裂附近以及断裂交叉处;在地震剖面上表现为垂向多组同向轴连续下凹,呈类透镜体状,并伴随发育多期同心环形断层,纵向延伸可达前震旦系基底。研究区内广泛发育继承性断裂,特别是兴凯地裂运动产生的张性断裂,为淡水和热液运移提供良好的渗流通道,拉张活动越强烈,热液通道越发育,形成的塌陷体规模越大。结合岩心资料及地球化学分析,认为该区岩溶塌陷储集体的形成主要受构造—热液溶蚀作用影响。该类塌陷体在先存孔隙、裂缝的基础上,后期受到热液作用的改造形成晶间孔、溶孔等储集空间,储集物性得到进一步的改善,可以成为川中地区有较大勘探潜力的目标。 Based on the high-precision 3D seismic data and the related seismic attributes, the karst collapses, which are widely developed in the high-rise area of ​​central Sichuan, are identified. Collapse bodies are mainly distributed in the vicinity of the tensile strike-slip fault and at the intersection of fractures; in the seismic section, vertical multiple sets of co -axial axes are continuously concave, lenticular and accompanied by the development of multi-concentric annular faults and longitudinal extension Up to the former Sinian base. Successive fractures are widely developed in the study area, especially the Zhang-Zhang fault caused by the Xingkai earth-cleavage movement, which provides a good seepage channel for freshwater and hydrothermal migration. The more intensive the tensioning activity, the more the hydrothermal channel is developed and the resulting collapse The larger body size. Combined with core data and geochemical analysis, it is considered that the formation of karst collapse reservoirs in this area is mainly affected by tectono-hydrothermal dissolution. Based on the preexisting pores and fractures, this type of collapsed bodies are transformed into reservoirs such as intergranular pores and dissolved pores in the late stage by the hydrothermal effect, and the reservoir properties are further improved, which can lead to the great exploration potential in central Sichuan The goal.