欢喜岭油田上台阶沙二段成藏研究

Reservoir formation of Sha-Ⅱ section,Huanxiling Oilfield

辽河坳陷西部凹陷欢喜岭油田油气分布受构造和岩性双重因素控制,本次对区域成藏条件进行系统分析和评价,从稠油成藏条件和成藏控制因素上分析含油圈闭存在的依据,总结成藏规律,并研究岩性和不整合对油层分布的控制。

The distribution of oil and gas in Huanxinling oilfield,western depression,Liaohe basin is controlled by the dual factors of structure and lithology.The analysis and evaluation on the reservoir forming conditions of region are conducted with respect to the heavy oil accumulation conditions and controlling factors to find out causes of oil trap existence and summarize the principles of accumulation.The control of lithology and unconformity on reservoir distribution is discussed as well.