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

作　　者：樊晓东[1,2] 李忠权[1] 刘剑营[2] 

机构地区：[1]成都理工大学油气藏地质及开发工程国家重点实验室,四川成都610059 [2]大庆油田有限责任公司勘探开发研究院,黑龙江大庆163712

出　　处：《大庆石油地质与开发》2015年第2期34-40,共7页Petroleum Geology & Oilfield Development in Daqing

基　　金：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)

摘　　要：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 southwest ; two kinds of the ary 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 microfaeieses 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 Ⅰand Ⅱ of Member Nan-1.

关 键 词：海拉尔盆地 贝中油田 南一段 油层组 沉积微相 扇三角洲 

分 类 号：TE121.3[石油与天然气工程—油气勘探]