Based on the field geologic survey, core observation and well logging fractural identification, it is shown that in the tight reservoir in Wubaiti gas pool of eastern Sichuan developed structural fractures controlled by local structure.

• 摘要根据野外地面裂缝调查、岩心裂缝观察描述及测井裂缝识别，指出川东五百梯气田致密储集层主要是受局部构造控制的构造缝。