逸泥を伴う水平および傾斜ドリリングにおける堀削井内繰粉濃度変化に関する数値シミュレーション Numerical Simulation of in-situ Cuttings Concentration Change due to Lost Circulation in Horizontal and inclined Drilling

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This paper describes the simulation model of in-situ cuttings concentration change due to lost circulation in horizontal and inclined drilling. The mixture flow of cuttings and mud fluid is regarded as the solid-liquid two-phase flow in the annulus and the numerical simulation model is developed based on the equation of motion of cuttings. The numerical simulation of in-situ cuttings concentration change due to lost circulation was carried out, and the simulated results were compared with the previous research related to the cuttings velocity change due to lost circulation. As simulated results agreed with the experimental results in the previous research, it was confirmed that the model developed here is reasonable. Therefore, by using this model, numerical simulation was carried out again under several conditions. From the simulated results, it was found that the effect of lost circulation on the change of in-situ cuttings concentration and height of moving bed becomes significant according to the decrease of the inclination angle of the drilling well.

収録刊行物

  • 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 115(4), 219-225, 1999-04-25

    The Mining and Materials Processing Institute of Japan

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各種コード

  • NII論文ID(NAID)
    10002469428
  • 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
    4728036
  • 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  NDL  J-STAGE 
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