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通过岩心照片、分析化验资料、岩性岩相及组合特征、测井相应特征等分析,对澳洲F油田早二叠系T砂岩与P砂岩进行划分地层单元,确定沉积微相类型,进行单井沉积学分析,总结辫状河-曲流河叠置体沉积模式和分布规律,并探讨这种叠加模式对于古气候、古构造和沉积物供给的指示意义。这种辫状河-曲流河叠置体的识别和认识对于陆相盆地河流相砂体的研究具有重要的参考价值。
Based on the analysis of lithosphere photos, laboratory data, lithofacies and assemblages, and corresponding characteristics of logging data, the stratigraphic units of T sandstone and P sandstone in the Early Permian of F field in Australia F are divided into different sedimentary microfacies to form single well Sedimentology analysis summarizes depositional patterns and distributions of braided river-meandering river laminates, and indicates the significance of this superimposition pattern for palaeoclimate, palaeostructure and sediment supply. The identification and recognition of this braided river-meandering river stack have important reference value for the study of facies sand bodies in the continental basin.