【摘要】 通过对下辽河盆地及邻区的构造形迹特征和应力场资料的研究，阐明了这一地区自侏罗纪以来区域地应力场演化特征，首次将其应力场演化划分为６个期次，并初步探讨了应力场的变化对油气聚集的影响．更多还原

【Abstract】 Based on Studying the characteristics of tectonic appearance and the data of Stress field in Xialiaohebasin and its neighbour area,the characteristics of regional stress field since Jurassic period are clarified. The.evolution of stress field in Xialiaohe basin is divided into six stages firstly . At last, the influences of stress fieldvariation on change upon the gathering of oil and gas are discussed preliminarily.更多还原