长岭断陷东岭地区火一段沉积相
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摘要
利用现有钻井的岩心、测井和地震等资料,对松辽盆地南部长岭断陷东岭地区火石岭组一段的总体沉积特征进行了研究。通过对研究区取心井的岩心分析,并结合单井沉积微相分析,认为该区域火一段主要发育扇三角洲相和湖泊相。扇三角洲相可进一步划分为三角洲平原亚相(发育辫状河道、分流河道间等微相)和三角洲前缘亚相(发育水下分流河道、水下分流河道间、河口坝、前缘席状砂等微相)。湖泊相主要发育半深湖一深湖亚相。通过对该区火一段沉积相的平面展布特征研究表明,火一段的砂体主要分布于火一Ⅱ、Ⅲ砂层组,其次是火一Ⅰ砂层组和火一Ⅳ砂层组。
The study of sedimentary facies has been conducted for the first member of Huoshiling Formation of Dongling Area, Changling Fault Depression,and the south of Songliao Basin with coring,logging and seismic data.It is believed that fan delta facies and lacustrine face are well developed in the first member of Huoshiling Formation,of which fan delta facies can be subdivided into delta plain and delta front subfacies.The delta plain subfacies consists of braided channel and interdistributary channel microfacies. The delta front subfacies consists of under water distributary channel,interdistributary bay,mouth bar,distalbar and front sheet sand microfacies.The lacustrine facies can be subdivided into semi-deep lacustrine and deep lacustrine subfacies.Through study on sedimentary facies distribution of the first member of Huoshiling Formation,it is concluded that the sand bodies are mainly distributed in the Huo-Ⅱand Huo-Ⅲsand group,secondly in Huo-Ⅰsand group and Huo-Ⅳsand group in the first member of Huoshiling Formation.
The study of sedimentary facies has been conducted for the first member of Huoshiling Formation of Dongling Area, Changling Fault Depression,and the south of Songliao Basin with coring,logging and seismic data.It is believed that fan delta facies and lacustrine face are well developed in the first member of Huoshiling Formation,of which fan delta facies can be subdivided into delta plain and delta front subfacies.The delta plain subfacies consists of braided channel and interdistributary channel microfacies. The delta front subfacies consists of under water distributary channel,interdistributary bay,mouth bar,distalbar and front sheet sand microfacies.The lacustrine facies can be subdivided into semi-deep lacustrine and deep lacustrine subfacies.Through study on sedimentary facies distribution of the first member of Huoshiling Formation,it is concluded that the sand bodies are mainly distributed in the Huo-Ⅱand Huo-Ⅲsand group,secondly in Huo-Ⅰsand group and Huo-Ⅳsand group in the first member of Huoshiling Formation.
引文
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[2]张玉明,李明,李瑞磊.松辽盆地南部深层系天然气成藏规律[J].石油与天然气地质,2006,27(6):841-848.
[3]于兴河.碎屑岩系油气储层沉积学[M].北京石油工业出版社, 2008.
[4]冯增昭.沉积岩石学[M].北京:石油工业出版社,1993.
[5]石文武.长岭凹陷东岭地区储层地震预测研究[D].黑龙江大庆:大庆石油学院,2008:18-19.
[6]单伟.松辽盆地南部长岭、十屋断陷层构造演化与沉积响应特征研究[D].北京:中国地质大学,2009:44-46.
[7]胡望水,彭佳.测井曲线在沉积微相研究中的应用[J].西部探矿工程。2010(7):61-64
[8]谢锐杰,秦刚,李向阳.长岭凹陷前七号地区青山口组沉积相研究[J].特种油气藏,2009,16(5):10-13.
[9]陈亚青,侯伟,樊太亮,等.长岭凹陷腰英台地区青山口组沉积微相及其对有利储层的控制作用[J].大庆石油学院院报, 2010,34(2):16-20.
[10]胡玉双,辛朝坤.东岭地区营城组层序特征与沉积演化[J].物探与化探,2010,34(3):315-319.
[11]Zeng Hongliu,Hentz T F.High-frequency sequence stratigraphy from seismic sedimentology:Applied to Miocene,Vermilion Block 50,Tiger Shoal area,offshore Louisiana[J].AAPG Bulletin, 2004,88(2):153-174.
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