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鄂尔多斯盆地志丹探区延长组储层特征研究及评价

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陈永胜, 赵虹, 郑小杰, 燕洲泉, 贾玉琴, 龙利平. 鄂尔多斯盆地志丹探区延长组储层特征研究及评价[J]. 西北地质, 2009, 42(2): 83-88.
引用本文: 陈永胜, 赵虹, 郑小杰, 燕洲泉, 贾玉琴, 龙利平. 鄂尔多斯盆地志丹探区延长组储层特征研究及评价[J]. 西北地质, 2009, 42(2): 83-88.
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CHEN Yong-sheng, ZHAO Hong, ZHENG Xiao-jie, YAN Zhou-quan, JIA Yu-qin, LONG Li-ping. Reservoirs Characteristics and Evaluation of Yanchang Formation in Zhidan Area, Ordos Basin[J]. Northwestern Geology, 2009, 42(2): 83-88.
Citation: CHEN Yong-sheng, ZHAO Hong, ZHENG Xiao-jie, YAN Zhou-quan, JIA Yu-qin, LONG Li-ping. Reservoirs Characteristics and Evaluation of Yanchang Formation in Zhidan Area, Ordos Basin[J]. Northwestern Geology, 2009, 42(2): 83-88.
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鄂尔多斯盆地志丹探区延长组储层特征研究及评价

  • 1.

    吉林大学地球科学学院, 吉林 长春 130061;长安大学地球科学与资源学院, 陕西 西安 710054

  • 2.

    长安大学地球科学与资源学院, 陕西 西安 710054

  • 3.

    川庆钻探公司长庆录井公司, 陕西 西安 720021

  • 基金项目: 中国地质调查局项目:西北中小盆地群油气资源远景调查(1212010733506)

Reservoirs Characteristics and Evaluation of Yanchang Formation in Zhidan Area, Ordos Basin

  • 1.

    College of Earth Science, Jilin University, Changchun Jilin 130061, China;School of Earth Sciences and Resources Management, Chang'an University, Xi'an, Shaanxi 710054, China

  • 2.

    School of Earth Sciences and Resources Management, Chang'an University, Xi'an, Shaanxi 710054, China

  • 3.

    Changqing Logging Company of Chuanqing Drilling Co. Ltd, Xi'an, Shaanxi 720021, China

    摘要
  • 在大量岩心铸体薄片及物性等资料统计分析的基础上,对志丹探区延长组储层的沉积学、岩石学、物性等特征及孔隙类型和孔隙结构等进行了深入研究,并对储层进行了分类评价。研究结果表明,研究区延长组储集层具有成分成熟度低、结构成熟度高的特点;孔隙类型主要为粒间孔、溶蚀孔等类型,属于中孔、低渗型和中低孔、特低渗型储层。综合多参数评价,研究区延长组中长2和长6油层组分别发育类和类储层,个别地区发育类和类储层。
    In this paper,we analyze the data of drilling cores and cast thin sections,study the petrologic characteristics,characteristics of pore and permeability,and the porosity types,and discuss the effect of such factors on oil-bearing layers of Chang-2,Chang-3,Chang-4+5,and Chang-6 in ZHidan area. The resultindicates that the Yanchang reservoir is characterized by low mineral maturity and highst ructure maturity,of which Chang-2,Chang-3,and Chang-4+5 are better than Chang-6 in mineral maturity. The physical property shows that Chang-2 is characterized by middle-sized pores and low permeability while Chang-3,Chang-4+5,and Chang-6 are very low in permeability. Reservoirs are divided in to four types by several parameters,withChang-2 oil-bearing layer containing reservoir type and Chang-6 oil-bearing layers mostly containing reservoir type-Ⅲ.
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出版历程
收稿日期:  2008-04-10
修回日期:  2009-02-28
刊出日期:  2009-06-15

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