在桥口油田沉积微相研究和划分的基础上 ,本文对河道砂微相储集层沉积特征包括岩性特征、粒度分布、砂体展布、储层物性和储层非均质性等进行了全面的研究 ,认为河道砂微相储集层在油田开发早期是主力油层 ,在目前油田处于中高含水开发阶段 ,剩余油挖潜的主要对象仍然是此类层 ,并提出剩余油分布的类型 ,以便为油田后期制定调整挖潜方案提供参考。 Based on the study and division of sedimentary microfacies in Qiaokou oil field, the sedimentary characteristics of channel sand micro-facies reservoirs including lithology, grain size distribution, sand body distribution, reservoir physical properties and reservoir heterogeneity are studied A comprehensive study shows that channel sand micro-facies reservoirs are the main oil reservoirs in the early stage of oilfield development. At present, oilfields are in the middle and high water-cut development stage. The main targets of remaining oil tapping potential are still such reservoirs, and the types of residual oil distribution are proposed. In order to provide a reference for the oil field to formulate the plan of adjustment and tapping potential.