[1]赵虹,党犇,陈永胜,等.鄂尔多斯盆地姬塬地区三叠系延长组长2油层组储层特征及影响因素[J].西安科技大学学报,2009,(05):579-583.
 ZHAO Hong,DANG Ben,CHEN Yong sheng,et al.Reservoirs characteristics and influence factors of triassic Yanchang formation Chang 2 oil layer in Jiyuan, ordos basin[J].Journal of Xi'an University of Science and Technology,2009,(05):579-583.
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鄂尔多斯盆地姬塬地区三叠系延长组长2油层组储层特征及影响因素()
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2009年05期
页码:
579-583
栏目:
出版日期:
2009-09-11

文章信息/Info

Title:
Reservoirs characteristics and influence factors of triassic Yanchang formation Chang 2 oil layer in Jiyuan, ordos basin
文章编号:
1672-9315(2009)05-0579-05
作者:
赵虹1党犇1陈永胜1郑小杰1龙利平2
1.长安大学 资源学院,陕西 西安 710054; 2.川庆钻探工程公司 长庆录井公司,陕西 西安 710021
Author(s):
ZHAO Hong1 DANG Ben1 CHEN Yongsheng1 ZHENG Xiaojie1 Long Liping2
1. School of Earth Science and Resource, Chang′an University, Xi′an 710054,China; 2.SichuanChangqing Drilling Engineering Company,.Changqing Mudlogging Company, Xi′an 710021,China
关键词:
储层 长2油层组 姬塬地区 鄂尔多斯盆地
Keywords:
reservoir Chang 2 oil layer Jiyuan district Ordos Basin
分类号:
TE122.2
文献标志码:
A
摘要:
通过岩心铸体薄片、粘土矿物X衍射、扫描电镜、物性分析等方法,分析了鄂尔多斯盆地姬塬地区长2储层的岩石学特征、物性特征以及孔隙结构特征。结果表明:研究区长2储层主要为长石砂岩、岩屑长石砂岩,填隙物以高岭石为主,具细粒结构,分选好,磨圆度中等。储集性能具有中孔、低渗的物性特点。孔隙类型主要为粒间孔、其次是长石溶孔。孔隙结构为中小孔、中细喉型。影响储层的主要因素为长2油层组的三角洲沉积背景以及压实、胶结、溶蚀等成岩作用
Abstract:
By the methods of cast thin sections, Xray diffraction of clay, SEM( scanning electron microscopy), physical properties analysis, the characteristics of petrology, physical properties and porosity texture in Chang 2 have been studied. The results show that the reservoirs are made of feldspar sandstones and lithic feldspar sandstones. Its fillings are Kaoline mainly. Fine structure, good sort and medium roundness of sedimentary particles are the characteristics of the Chang 2 reservoirs. The reservoirs possess medium porosity and poor permeability. Type of porosity is mainly intergranular opening, secondly is feldspar solution opening.The structure of porosity is medium-small, medium-fine pore throat structure. Delta sedimentary facies is the base of forming good reservoirs. The distribution of the reservoir is controlled mainly by distributary channel.The diagenisms of compaction, cementation and dissolution are the main factors which influence porosity structure.

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备注/Memo

备注/Memo:
收稿日期: 2009-01-14 基金项目: 国家重点基础研究发展计划(973)项目(03CB214602); 陕西省自然科学基础研究项目(06z02) 作者简介: 赵虹(1967-),女,陕西户县人,博士,副教授,主要从事层沉积学及石油地质学方面的研究.
更新日期/Last Update: 2009-09-11