The results also show that In the reservoir of Qingxi oil field, both the fracture and the vug have grown;especial the interlayer fracture is in well growth.

• 窟窿山地区裂缝分布主方向与原地最大水平主应力的方向趋于一致，原地应力对构造成因裂缝的发育起着主导作用。