荣胜堡洼陷石油地质特征及勘探潜力研究

荣胜堡洼陷是大民屯凹陷最大的负向构造,勘探程度低、勘探难度大。石油地质特征研究表明,洼陷烃源岩分布广,有机质丰度高,剩余资源丰富;储集岩包括变质岩、碎屑岩,储集类型多样;油气输导条件控制油气运移指向,确定低潜山和岩性油气藏两大勘探方向,洼陷勘探潜力巨大。区域供油断层与优势岩性相配置控制洼陷周边低潜山油气富集;坡洼过渡带沙河街组岩性油气藏发育,应用岩性预测关键技术和方法,落实油气勘探目标。

Study on petroleum geological characteristics and potential of oil exploration in Rongshengpu sag

Rongshengpu sag provided with the low exploration level and extremely difficulty is the biggest negative tectonics of Damintun depression.The integrated study on petroleum geological characteristics shows wide distribution range of hydrocarbon source rock and high content of organic matter which determinate a big surplus of petroleum resources in Rongshengpu sag.Reservoir rocks including metamorphic rock and clastic sediments have various reservoir types.Petroleum conduction condition controls the direction of oil migration,so buried hill and lithologic reservoirs are two main directions of exploration.Rongshengpu sag has huge potential in oil exploration.Petroleum accumulation of buried hill depends on regional oil feed faulting and dominant｜ lithological association.The transition zone is suitable for forming lithologic reservoirs of Shahejie formation,lithologic reservoirs are the aims of oil exploration found out by adopting the key techniques and methods.