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鄂尔多斯盆地延长组长7页岩层段岩石热导率特征及启示

崔景伟 侯连华 朱如凯 李士祥 吴松涛

崔景伟, 侯连华, 朱如凯, 李士祥, 吴松涛. 鄂尔多斯盆地延长组长7页岩层段岩石热导率特征及启示[J]. 石油实验地质, 2019, 41(2): 280-288. doi: 10.11781/sysydz201902280
引用本文: 崔景伟, 侯连华, 朱如凯, 李士祥, 吴松涛. 鄂尔多斯盆地延长组长7页岩层段岩石热导率特征及启示[J]. 石油实验地质, 2019, 41(2): 280-288. doi: 10.11781/sysydz201902280
CUI Jingwei, HOU Lianhua, ZHU Rukai, LI Shixiang, WU Songtao. Thermal conductivity properties of rocks in the Chang 7 shale strata in the Ordos Basin and its implications for shale oil in situ development[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2019, 41(2): 280-288. doi: 10.11781/sysydz201902280
Citation: CUI Jingwei, HOU Lianhua, ZHU Rukai, LI Shixiang, WU Songtao. Thermal conductivity properties of rocks in the Chang 7 shale strata in the Ordos Basin and its implications for shale oil in situ development[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2019, 41(2): 280-288. doi: 10.11781/sysydz201902280

鄂尔多斯盆地延长组长7页岩层段岩石热导率特征及启示

doi: 10.11781/sysydz201902280
基金项目: 

国家重点基础研究发展计划(973计划)"中国陆相致密油(页岩油)形成机理与富集规律"(2014CB239000)资助。

详细信息
    作者简介:

    崔景伟(1980-),男,博士,高级工程师,从事非常规油气地质和油气成藏地化研究。E-mail:cuijingwei@petrochina.com.cn。

  • 中图分类号: TE311

Thermal conductivity properties of rocks in the Chang 7 shale strata in the Ordos Basin and its implications for shale oil in situ development

  • 摘要: 原位转化技术是中国陆相页岩油攻关的重点领域,鄂尔多斯盆地三叠系延长组长7页岩层段岩石热物性,特别是高温热物性研究尚处空白,严重制约原位转化工程优化和可行性评价。选取长7页岩发育区内多口取心井新鲜样品,利用热导仪、差示扫描量热仪和热膨胀仪,获得长7页岩层段泥质粉砂岩、凝灰岩、泥岩和页岩的热扩散系数、比热容、热膨胀系数以及热导率参数。长7页岩层段不同岩性的岩石热扩散系数和热导率存在差异,且随砂质含量降低而降低,即泥质粉砂岩>凝灰岩>泥岩>页岩。热扩散系数和热导率具有各向异性,水平方向是垂直方向的1~3.5倍,且其差异随温度升高而增大。随温度升高,岩石热扩散系数呈降低趋势、比热容呈增大趋势、热导率呈先降低后增大趋势。页岩热物性的各向异性最强,各向异性是岩石非均质性的体现,与微观纹层相关;砂岩各向异性可能与岩石不同方向上渗透率相关。

     

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出版历程
  • 收稿日期:  2018-11-21
  • 修回日期:  2019-02-15
  • 刊出日期:  2019-03-28

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