二酸化炭素注入に伴う多孔質砂岩の透気係数と弾性波速度の測定に関する実験的研究 Laboratory Measurements on Gas Permeability and P-wave Velocity in Two Porous Sandstones During CO_2 Flooding

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Laboratory experiments were conducted to measure gas permeability and P-wave velocity under hydrostatic pressure in Shirahama and Tako sandstones with porosity of 12% and 24%, respectively. In dry samples, gas permeability and P-wave velocity were significantly changed with increasing hydrostatic pressure in Shirahama sandstone, as a result of the closure of micropores with low aspect ratio, while in Tako sandstone they were less affected. In water-saturated sample, velocity changes caused by CO<sub>2</sub> injection, are typically on the order of -6%. P-wave velocities decreased almost simultaneously along horizontal paths in two orthogonal directions. Results of P-wave velocity tomography suggested that cross-well seismic profiling is useful to monitor migrations of the injected CO<sub>2</sub> in geological sequestration sites.

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  • 資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 120(2), 91-98, 2004-02-25

    The Mining and Materials Processing Institute of Japan

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各種コード

  • NII論文ID(NAID)
    10012099525
  • NII書誌ID(NCID)
    AN10062646
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09161740
  • NDL 記事登録ID
    6868207
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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