[1]杨智峰,曾溅辉,冯 枭,等.源储岩性组合对致密油聚集的影响——以鄂尔多斯盆地延长组长7段为例[J].新疆石油地质,2015,36(04):389.[doi:10.7657/XJPG20150403]
 YANG Zhifeng,ZENG Jianhui,FENG Xiao,et al.Effects of SourceReservoir Lithologic Assemblage on Tight Oil Accumulation: A Case Study of Yanchang Chang7Member in Ordos Basin[J].Xinjiang Petroleum Geology,2015,36(04):389.[doi:10.7657/XJPG20150403]
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源储岩性组合对致密油聚集的影响——以鄂尔多斯盆地延长组长7段为例()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
36
期数:
2015年04期
页码:
389
栏目:
出版日期:
2015-08-30

文章信息/Info

Title:
Effects of SourceReservoir Lithologic Assemblage on Tight Oil Accumulation: A Case Study of Yanchang Chang7Member in Ordos Basin
文章编号:
1001-3873(2015)04-0389-05
作者:
杨智峰 曾溅辉 冯 枭 冯 森 张译丹 乔俊程
(中国石油大学 a.油气资源与探测国家重点实验室; b.地球科学学院,北京 102249)
Author(s):
YANG Zhifeng ZENG Jianhui FENG Xiao FENG Sen ZHANG Yidan QIAO Juncheng
(China University of Petroleum, a.State Key Laboratory of Petroleum Resource and Prospecting;b.School of Geosciences, Beijing102249, China)
关键词:
鄂尔多斯盆地延长组岩性组合致密油排烃与聚集
Keywords:
Ordos basin Yanchang formation lithologic assemblage tight oil hydrocarbon expulsion and accumulation
分类号:
TE112.1
DOI:
10.7657/XJPG20150403
文献标志码:
A
摘要:
根据对岩心、录井和测井资料的综合分析,将研究区上三叠统延长组长7段划分为源夹储、源储互层和储夹源3种源储岩性组合类型。结合烃源岩厚度、内部流体压力发育特征、地化分析资料及有效充注空间系数的研究,证实源储岩性组合类型对致密油排烃与充注具有重要的影响。其中源夹储与源储互层型岩性组合具有微裂缝幕式排烃与不充分排烃两种排烃方式,储夹源型岩性组合排烃充分。源夹储型岩性组合致密油的富集程度较高,源储互层型次之,而储夹源型相对较差。源储组合的研究对深化鄂尔多斯盆地致密油的勘探与开发有指导意义。
Abstract:
According to comprehensive analysis of data from core lab, logging and well logs,the Chang?7member of Yanchang formation of Upper Triassic in the study area can be dividedinto three types of source?reservoir lithologic assemblages such as source sandwiching reservoir(Type1), source?reservoir interbed (Type2) and reservoir sandwiching source rock (Type3). This Paper indicates that such assemblage types have important effects on expulsion and charging of tight oil, based on studied results of source rock thickness, internal fluid pressure feature,geochemical analysis and effective oil charging space coefficient. The former two types have micro?fracture episodic hydrocarbon expulsion and incomplete expulsion, the third type is one with complete expulsion. For the tight oil enrichment extent, Type1is high, followed by Type2, Type3is relatively poor.

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更新日期/Last Update: 2015-09-21