松南十屋断陷扇三角洲和辫状河三角洲沉积体系特征
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摘要
从岩相、测井相和地震相三方面入手,将扇(辫状河)三角洲沉积相划分为扇(辫状河)三角洲平原亚相、扇(辫状河)三角洲前缘亚相和前扇(辫状河)三角洲亚相,并识别出辫状河道微相、辫状分流河道微相、水下水道微相、前缘砂微相、边缘席状砂微相、开阔湖沉积微相和水下重力流沉积微相。
In the Shiwu Fault Depression lake basin of southern Songliao Basin,fan delta depositional system develops in the west side of the steep slopes,with high sediment thickness and fast phase-change,coarse andmiscellaneous lithology,braided river delta develops in the eastern side of the gentle slopes,sandbody distributes relatively large ranges,but the thickness of sedimentary is thin.After the rapid entry into the water it becomes open lake deposits.Fan(braided river) deltas is divided into braided fan(braided river) delta plain sub-facies,fan(braided river)delta plain front subfacies and the front fan(braided river) delta subfacies according to the lithofacies and well logging seismic facies of a three-pronged.And the identification method of micro-braided river facies,braided distributary channel microfacies,water sewer microfacies,frontal sand microfacies,edge sheeted-sand microfacies,open lake sedimentary microfacies and underwater gravity flow sedimentary microfacies is introduced.
In the Shiwu Fault Depression lake basin of southern Songliao Basin,fan delta depositional system develops in the west side of the steep slopes,with high sediment thickness and fast phase-change,coarse andmiscellaneous lithology,braided river delta develops in the eastern side of the gentle slopes,sandbody distributes relatively large ranges,but the thickness of sedimentary is thin.After the rapid entry into the water it becomes open lake deposits.Fan(braided river) deltas is divided into braided fan(braided river) delta plain sub-facies,fan(braided river)delta plain front subfacies and the front fan(braided river) delta subfacies according to the lithofacies and well logging seismic facies of a three-pronged.And the identification method of micro-braided river facies,braided distributary channel microfacies,water sewer microfacies,frontal sand microfacies,edge sheeted-sand microfacies,open lake sedimentary microfacies and underwater gravity flow sedimentary microfacies is introduced.
引文
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[3]李维锋,高振中,彭德堂,等.库车坳陷中生界三种类型三角洲的比较研究[J].沉积学报,1999,17(03):430—434.
[4]蔡雄飞,李长安,占车生.一个辫状河三角洲的沉积特征——以民和盆地朱家台组为例[J].沉积与特提斯地质,2000,20(03):61—65.
[5]姜在兴,王卫红,余宏忠.渤南油田377井高精度层序地层格架分析[J].石油勘探与开发,2003,30(03):26—28.
[6]唐黎明,松辽盆.地十屋断陷沉积特征与油气前景[J].吉林大学学报,2002,(04):345—348.
[7]刘立.松辽裂谷盆地层序地层学研究[D].长春:吉林大学,1993:105-109.
[8]HG里丁.沉积环境和相[M].北京:科学出版社,1985.
[9]赵霞飞.动力沉积学与陆相沉积[M].北京:科学出版社,1992.
[10]陈立官.油气田地下地质学[M].北京:地质出版社,1982.
[11]顾家裕.沉积相与油气[M].北京:石油工业出版社,1994.
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