摘要
油气运移的条件和油气运移的特征决定了油气藏的形成与分布。沾化凹陷南斜坡不整合面、断层以及各层系储集砂体的空间配置构成复杂的立体网络通道,决定了油气的运移,控制了油气分布。以断层为垂向运移通道的油气藏常在断层带附近多层叠置;以连通砂体为主要运移通道的油气藏常形成于距烃源层较近或相邻的层位;以不整合面作为运移通道往往可使油气长距离运移形成各种地层油气藏。沾化凹陷南斜坡的油气藏都是油气经过两种或多种输导层阶梯式运移而形成的。砂体、断层和不整合面组成的输导系统的末端和边缘是油气运移的重要指向区。
Conditions and characteristics of hydrocarbon migration determine the accumulation and distribution of reservoirs.The unconformities、faults and sand bodies in the south slopes in Zhanhua sag formed the complex solid network paths which decides the hydrocarbon migration and controls the distribution of reservoirs.The oil reservoirs whose hydrocarbons migrated vertically along the fault often have multiple oil beds overlapped around the faults.The oil reservoirs whose hydrocarbons migrated mainly along the connected sand bodies mainly formed in strata near the source rocks.Hydrocarbons though the unconformity belts can migrate in a long distance and formed stratigraphic reservoirs.All reservoirs in the south slope of Zhanhua Sag were formed by migration in two or more carrying beds.The margin and end of carrying bed systems are usually the significant target areas of oil and gas migration.
出处
《新疆石油天然气》
CAS
2006年第3期11-15,共5页
Xinjiang Oil & Gas
基金
国家十五重大科技攻关项目(2001BA605A09)
关键词
沾化洼陷
断裂
砂体
不整合面
油气运移
Zhanhua Sag
fault system
sand body
unconformity surface
migration
作者简介
谢启超（1975-），男，重庆大足人，2003年毕业于中国石油大学（北京），硕士，工程师，主要从事油气勘探开发的研究工作。
