摘要
黄骅坳陷孔南地区孔二段沉积相类型划分不统一,严重制约了该区的油气深化勘探部署。通过大量岩心观察和测井曲线分析,结合生产实践,总结了孔南地区孔二段沉积特征、沉积相类型和沉积体系平面展布规律,为该区下一步深化勘探开发提供地质依据。研究表明:孔二段主要发育曲流河三角洲、辫状河三角洲、浊积扇和湖泊等4种沉积相类型。平面上沉积相展布规律性较强,以短轴多物源的辫状河三角洲为主,同时发育长轴水系控制的曲流河三角洲沉积体系,形成东、南、西、北部4个沉积体系组展布的沉积格局。
Inconsistent classification of sedimentary facies for the 2nd member of the Kongdian formation,Kongnan area,Huanghua depression has seriously restricted oil and gas exploration deployment in this area.The sedimentation characteristics and facies and the distribution of sedimentary systems are generalized through core observation and logs analyses combining with production practice in order to provide geological basis for future in-depth exploration and development in this area.The study shows that four major types of sedimentary facies had developed in the 2nd member of the Kongdian formation,including meandering river delta,braided river delta,turbidite fan and lacustrine facies.It shows a strong regularity in planar distribution of sedimentary facies,which are dominated by braided river delta with minor axis and multisource,also developed meandering river delta controlled by long axis water system,formed a sedimentary framework involving four sedimentary systems in the east,south,west and north.
出处
《特种油气藏》
CAS
CSCD
2011年第5期67-70,138-139,共4页
Special Oil & Gas Reservoirs
基金
中油大港油田勘探地质综合研究课题"黄骅坳陷孔店南部孔店组湖盆演化与沉积体系研究"部分内容(DGYT-2008-JS-715)
关键词
沉积相
沉积体系
孔二段
孔店组
孔南地区
黄骅坳陷
sedimentary facies
sedimentary system
the 2nd member of the Kongdian formation
Kongnan area
Huanghua depression
