The fracture-vug reservoir in carbonate rock may be regarded as a kind of complicated inhomogeneous medium made up of various low speed bodies, which are random and has different size and form.

• 摘要碳酸盐岩洞缝型油气藏可以看作是由准均质介质中随机分布大小形状各异的低速体共同组成的复杂非均匀介质。