formation permeability

Five methods summarized according to the identification of the permeable sandstone distribution section and plane figures of permeable sandstone distribution provide some evidences for drilling location.

针对陕北中生界延长组岩性油气藏的主控因素,依据黄土塬地区地震弯曲测线,充分利用有效的地震信息对目的层开展地震储层横向预测,在剖面上对渗透性砂岩展布的识别总结出5种方法,并且在平面上编制渗透性砂岩展布范围图,为探井井位部署提供了一定的依据;通过后期完钻井检查,其渗透性砂层厚度预测符合率达80%以上。