Reservoirs in member H3 of Yanglou Oilfield is at the early diagenetic stage B subage period,the diagenesis of which can be divided into mechanical compaction,cementation and denudation.

• 杨楼油田核三段储层成岩阶段为早成岩阶段B亚期,成岩作用主要有机械压实作用、胶结作用、溶蚀作用三种,成岩作用阶段也是储层孔隙演化的过程。