From the spatial development and micro-sealing capacity research, capping and sealing of cap formation of deep gas reservoir in eastwards Daqing placanticline was comprehensively evaluated.

• 在研究大庆长垣以东地区深层气藏盖层空间发育特征及微观封闭能力的基础上 ,对其封盖能力进行了综合评价。