Multistage reservoir? Forming of complex fault blocks is a major feature of petroleum geology in Bohaiwan basin.
复杂断块多期成藏是渤海湾盆地石油地质的一大特点。
Because of the lateral velocity varying in complex geologic areas, some conventional imaging methods can not fulfill the correct image of complex fault blocks.
在复杂构造地区，地震速度横向变化大，常规偏移方法已无法完成复杂断块的正确成像。
Typical extensional structural patterns, cut into a series of complex fault noses and fault blocks by faults of different levels, form under regional extension force in Biyang depression.
泌阳凹陷在区域性引张作用下形成了典型的伸展构造样式——被不同层次断层切割成的一系列复杂断鼻、断块。
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