Gas hydrates were formed due to the availability of free gas within the diapir structures from the bottom of gas hydrate stability zone up to the sea floor.

• 在底辟构造中，由于游离气体的向上迁移，在整个水合物稳定域中从下到上，直至海底都可能形成水合物，从而使我们有机会使用重力采样器这样的设备也能采获天然气水合物样品。