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九龙山气田须二下亚段气藏是形成于超低孔、渗型的储集岩层中的致密气藏，裂缝的发育与否对单井气产量起着控制作用。从储集层岩石的力学性质、构造形态以及电测曲线解释结果等方面入手，对该气藏裂缝在平面上的发育状况进行了讨论，划定了４个不同的裂缝发育分区。这一结论对该气藏开发调整方案的设计和实施将有很好的参考作用。
The second sub-section of Jiulongshan gas field is a tight gas reservoir formed in ultra-low-porosity and permeability reservoir rocks. The development of fractures plays a controlling role in single-well gas production. Beginning from the mechanical properties of rocks in the reservoir, the tectonic forms and interpretation results of electrical test curves, the development status of the fractures in the gas reservoirs is discussed and four different fractured development zones are delineated. This conclusion will be a good reference for the design and implementation of the gas reservoir development and adjustment program.