Controlled by structure, facies and well pattern, high oil saturation is found near faults, the top of micro-structures, upper zones where sandstone edges away and the low permeability section.

• 受构造、储层物性及井网因素控制，未淹、弱水淹剩余油平面上主要分布在断层附近、断层破碎带、微构造高点和砂体上倾尖灭区等部位；