Anisotropism has created these objective results that the efficiency becomes bad and the distribution of remaining oil is scattered in water-driving reservoir development.

• 油藏非均质性是造成目前水驱油藏开发效果差,剩余油分布零散的主要原因,为弱化油藏非均质性的负面影响,人们考虑提出部署矢量化井网。