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辽河拗陷位于郯庐断裂向北延伸的部位,该拗陷发育深水沉积,生油潜力大,储集层发育。李应暹(1997)利用辽河拗陷陆相遗迹化石对东部凹陷古近纪沉积环境做了分析。任作伟等(2003)对辽河拗陷沉积特征及砂体展布规律做了深入研究,认为沉积体系及沉积相决定东部凹陷深层储层的发育规模和储集性能,湖底扇中扇、扇三角洲前缘及泛滥
The Liaohe River depression is located at the northward extension of the Tancheng-Lujiang fault and is characterized by deep-water sedimentary deposits with large potential for oil generation and well-developed reservoirs. Li Ying Siam (1997) using the Liaohe depression continental facies fossil sedimentary environment in the eastern sag analyzed. Ren et al. (2003) studied the depositional characteristics and distribution of sand bodies in the Liaohe depression, and concluded that the sedimentary system and sedimentary facies determine the developmental scale and reservoir performance of the deep reservoirs in the eastern sag, Edge and flooding