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    页岩油富集可采主控因素分析: 以泌阳凹陷为例

    李吉君 史颖琳 章新文 陈祥 严永新 朱景修 卢双舫 王民

    李吉君, 史颖琳, 章新文, 陈祥, 严永新, 朱景修, 卢双舫, 王民, 2014. 页岩油富集可采主控因素分析: 以泌阳凹陷为例. 地球科学, 39(7): 848-857. doi: 10.3799/dqkx.2014.079
    引用本文: 李吉君, 史颖琳, 章新文, 陈祥, 严永新, 朱景修, 卢双舫, 王民, 2014. 页岩油富集可采主控因素分析: 以泌阳凹陷为例. 地球科学, 39(7): 848-857. doi: 10.3799/dqkx.2014.079
    Li Jijun, Shi Yinglin, Zhang Xinwen, Chen Xiang, Yan Yongxin, Zhu Jingxiu, Lu Shuangfang, Wang Min, 2014. Control Factors of Enrichment and Producibility of Shale Oil: A Case Study of Biyang Depression. Earth Science, 39(7): 848-857. doi: 10.3799/dqkx.2014.079
    Citation: Li Jijun, Shi Yinglin, Zhang Xinwen, Chen Xiang, Yan Yongxin, Zhu Jingxiu, Lu Shuangfang, Wang Min, 2014. Control Factors of Enrichment and Producibility of Shale Oil: A Case Study of Biyang Depression. Earth Science, 39(7): 848-857. doi: 10.3799/dqkx.2014.079

    页岩油富集可采主控因素分析: 以泌阳凹陷为例

    doi: 10.3799/dqkx.2014.079
    基金项目: 

    国家自然基金项目 41272152

    油气资源与探测国家重点实验室开放课题 PRP/open-1209

    黑龙江省普通高等学校新世纪优秀人才培养计划 1252-NCET-012

    详细信息
      作者简介:

      李吉君(1981-), 男, 博士, 副教授, 主要从事油气地质与地球化学研究.E-mail: 294292454@qq.com

    • 中图分类号: P618

    Control Factors of Enrichment and Producibility of Shale Oil: A Case Study of Biyang Depression

    • 摘要: 页岩油能否有效聚集并具可采性主要受控于6个方面因素, 即生烃基础、存储空间、保存条件、储层改造条件、原油物性和开发方式.目前已取得页岩油突破的安深1井、泌页1井开发层段有机质丰度高、有机质类型好, 页理、纹理及构造裂缝发育, 脆性矿物含量较高等有利条件, 但其泥页岩有机质成熟度较低, 在影响泥页岩含油率的同时, 对原油的物性也有较大影响, 且保存条件不佳, 地层无超压, 能量较低, 不利于页岩油的产出.今后, 泥页岩埋深较大的东南部地区可能是下步页岩油勘探开发的有利区.另外, 考虑到原油溶解气量对其物性的影响以及低渗储层的应力敏感性, 生产方面应尽量延缓储层压力的降低.

       

    • 图  1  泌阳凹陷核桃园组泥页岩含油性与有机质丰度的对应关系

      Fig.  1.  Corresponding relationship of shale oil-bearing property and abundance in the Hetaoyuan Formation, Biyang depression

      图  2  泌阳凹陷核桃园组泥页岩有机质类型(a)及其与含油性关系(b)

      Fig.  2.  Organic matter type (a) and its relationship with oil-bearing property (b) of the Hetaoyuan formation in Biyang depression

      图  3  泌阳凹陷泥页岩有机质成熟度随埋深的变化(a)及氯仿沥青“A”/TOC随埋深的变化(b)

      Fig.  3.  Variation of organic matter maturity (a) and "A"/TOC (b) with depth of shale in Biyang depression

      图  4  泌页1井综合柱状图

      Fig.  4.  Columnar section of Biye-1 Well

      图  5  泌页1井泥页岩层理(a)及高角度构造裂缝(b)

      a.2 437 m;b.2 420 m;岩心直径101 mm

      Fig.  5.  Shale beddings and tectoclases with high dip-angle of Biye-1 Well

      图  6  泌页1井泥页岩纹理发育情况

      a.块状泥岩2 427.6 m;b.页岩2 419.5 m

      Fig.  6.  Development of lamination in shales with (a) and without beddings (b)

      图  7  安深1井泥页岩基质孔隙

      a.泥岩2 418.55~2 418.85 m;b.白云质泥岩2 570.46~2 570.76 m

      Fig.  7.  Matrix pores of shale in Anshen-1 Well

      图  8  泌阳凹陷H33页岩油富集段地层岩性及测井响应特征

      Fig.  8.  Lithology and logging response characteristics of shale oil enrichment segment in the H33 formation, Biyang depression

      图  9  泌阳凹陷泥页岩矿物组成

      Fig.  9.  Mineral composition of shale in Biyang depression

      图  10  泌阳凹陷原油及泥页岩抽提物胶质、沥青质含量随深度的变化规律

      Fig.  10.  Content variation of the resins and asphaltenes with depth of crude oil and chloroform extract in Biyang depression

      图  11  泌阳凹陷原油密度、粘度随深度变化规律

      Fig.  11.  Variation of oil density and viscosity with depth in Biyang depression

      图  12  泌阳凹陷泌页1井页岩油气产能曲线

      Fig.  12.  Shale oil and gas deliverability curve of Biye-1 Well in Biyang depression

      表  1  不同丰度、类型和成熟度有机质理论生烃量

      Table  1.   Hydrocarbon generation in the theory of organic matter with different abundance, type, and maturity

      TOC(%) 生烃潜力(mg/g·TOC) 生烃转化率(%) 生油量(%) 生气量(m3/t岩石)
      1 300 30 0.05 1.22
      1 300 60 0.09 2.37
      1 500 30 0.13 2.04
      1 500 60 0.25 3.95
      2 300 30 0.09 2.44
      2 300 60 0.18 4.74
      2 500 30 0.25 4.07
      2 500 60 0.50 7.90
      下载: 导出CSV
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