2層モデルによる傾斜坑井の掘屑運搬挙動のモデル化 Modeling of cuttings transport in directional wells using two-layer model

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著者

    • 長縄 成実 NAGANAWA Shigemi
    • 東京大学大学院工学系研究科地球システム工学専攻 Department of Geosystem Engineering, Graduate School of Engineering, University of Tokyo
    • 植松 浩 UEMATSU Hiroshi
    • 東京大学大学院工学系研究科地球システム工学専攻 Department of Geosystem Engineering, Graduate School of Engineering, University of Tokyo
    • 高橋 弘 [他] TAKAHASHI Hiroshi
    • 東北大学大学院環境科学研究科環境科学専攻 Department of Environmental Studies, Graduate School of Environmental Studies, Tohoku University
    • 増田 昌敬 MASUDA Yoshihiro
    • 東京大学大学院工学系研究科地球システム工学専攻 Department of Geosystem Engineering, Graduate School of Engineering, University of Tokyo

抄録

A previously developed transient cuttings transport model using a two-layer model was modified to enable more practical simulation over the whole trajectory of a directional well. Two-layer model is usually used to describe solid-liquid two-phase flow in pipes in which cuttings bed is formed and the boundary between layers can be clearly recognized. In this study, two-layer model was extended to apply to describing cuttings transport behavior in relatively low hole inclination angles ranging from vertical to about 55 degrees, in which continuous cuttings bed was unlikely formed. Of the constitutive equations used, cuttings re-entrainment rate was re-formulated as a function of hole inclination angle and was corrected to match experimental results. To evaluate the modified model, field scale simulation on cuttings transport was carried out for a simple horizontal well. Simulation results showed that the modified model could successfully demonstrate transient behavior of cuttings transport over the whole trajectory of the well.

収録刊行物

  • 石油技術協会誌  

    石油技術協会誌 72(3), 269-278, 2007-05-01 

    The Japanese Association for Petroleum Technology

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各種コード

  • NII論文ID(NAID)
    10018760419
  • NII書誌ID(NCID)
    AN00130976
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03709868
  • NDL 記事登録ID
    8848360
  • NDL 雑誌分類
    ZP29(科学技術--化学・化学工業--燃料--石油)
  • NDL 請求記号
    Z17-178
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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