Many theories and practices of clasolite can not be applied to fracture-cavern carbonate reservoirs because of its complicated space structure and oil-water relationship.

• 复杂的储集空间结构、油水关系使得碎屑岩油藏的许多理论和实践不再适用于缝洞型碳酸盐岩油藏，在国内外均属于难开采油藏类型。