大庆石油地质与开发

2015, v.34;No.168(02) 34-40

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海拉尔盆地贝中油田南一段沉积微相特征
CHARACTERISTICS OF THE SEDIMENTARY MICROFACIES IN MEMBER NAN-1 OF BEIZHONG OILFIELD IN HAILER BASIN

樊晓东,李忠权,刘剑营
FAN Xiaodong,LI Zhongquan,LIU Jianying

摘要(Abstract):

根据测井、岩心及实验分析资料,对海拉尔盆地贝中油田南一段进行了沉积微相分析并建立了相识别标志。利用沉积旋回特征,自上而下将南一段分为5个油层组。研究表明:贝中油田的沉积物源主要来自西南部;南一段发育扇三角洲前缘、滨浅湖等2种沉积亚相,其中扇三角洲前缘亚相可识别出水下分流河道、水下分流间湾、河口坝及席状砂等4种沉积微相,滨浅湖亚相可识别出坝砂、滩砂及浅湖泥等3种沉积微相;南一段I、Ⅱ油层组表现为2期水退、水进过程。
According to the data of the well logging,cores and experimental analyses,the sedimentary microfacieses in Member Nan-1 of Beizhong Oilfield in Hailer Basin are figured out,and moreover the identifying markers for these facieses are established.By means of the characteristics of the sedimentary cycles,five oil groups in the member are classified from top to bottom.The researches show that the sedimentary sources are mostly from the southwest;two kinds of the sedimentary subfacieses such as the fan delta front and shore shallow lake are developed in the member,and further more in the former,the four sedimentary microfacieses can be distinguished,including the underwater distributary channel,underwater interdistributary bay,mouth bar,sheet sand,for the later,three kinds of the sedimentary microfacies are identified i.e.the bar sand,beach sand and shallow lake mud;the 2 periods water transgression and regression are shown in Oil Group Ⅰ and Ⅱ of Member Nan-1.

关键词(KeyWords): 海拉尔盆地;贝中油田;南一段;油层组;沉积微相;扇三角洲
Hailer Basin;Beizhong Oilfield;Member Nan-1;oil group;sedimentary microfacies;fan delta

Abstract:

Keywords:

基金项目(Foundation): 中国石油天然气股份有限公司科学研究与技术开发项目“大庆油田原油4000万吨持续稳产关键技术研究”(2011E-1217)

作者(Author): 樊晓东,李忠权,刘剑营
FAN Xiaodong,LI Zhongquan,LIU Jianying

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