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多相流全瞬态温度压力场耦合模型求解及分析

何淼 柳贡慧 李军 李梦博 查春青 李根

何淼, 柳贡慧, 李军, 李梦博, 查春青, 李根. 多相流全瞬态温度压力场耦合模型求解及分析[J]. 石油钻探技术, 2015, 43(2): 25-32. doi: 10.11911/syztjs.201502005
引用本文: 何淼, 柳贡慧, 李军, 李梦博, 查春青, 李根. 多相流全瞬态温度压力场耦合模型求解及分析[J]. 石油钻探技术, 2015, 43(2): 25-32. doi: 10.11911/syztjs.201502005
He Miao, Liu Gonghui, Li Jun, Li Mengbo, Zha Chunqing, Li Gen. Solution and Analysis of Fully Transient Temperature and Pressure Coupling Model for Multiphase Flow[J]. Petroleum Drilling Techniques, 2015, 43(2): 25-32. doi: 10.11911/syztjs.201502005
Citation: He Miao, Liu Gonghui, Li Jun, Li Mengbo, Zha Chunqing, Li Gen. Solution and Analysis of Fully Transient Temperature and Pressure Coupling Model for Multiphase Flow[J]. Petroleum Drilling Techniques, 2015, 43(2): 25-32. doi: 10.11911/syztjs.201502005

多相流全瞬态温度压力场耦合模型求解及分析

doi: 10.11911/syztjs.201502005
基金项目: 

国家自然科学基金重点项目“控压钻井测控理论及关键问题研究”(编号:51334003),国家自然科学基金面上项目“深层碳酸盐岩地层与井筒耦合作用机理与压力自动控制方法研究”(编号:51274221)、“控压钻井井筒多相流体瞬态变质量流动理论及工况解释方法研究”(编号:51274045)和“基于模型预测控制理论与状态机架构的控压钻井压力控制方法研究”(编号:51374223)联合资助.

详细信息
    作者简介:

    何淼(1989—),男,湖北荆门人,2011年毕业于中国石油大学(华东)工程力学专业,在读博士研究生,主要从事控压钻井、欠平衡钻井和井筒多相流方面的研究.

  • 中图分类号: TE21

Solution and Analysis of Fully Transient Temperature and Pressure Coupling Model for Multiphase Flow

  • 摘要: 为准确掌握高温高压条件下环空多相流的流动特性,基于井筒多相流、传热学理论,充分考虑循环流体物性参数随温度压力的变化,建立了适用于深井、超深井的井筒多相流全瞬态温度压力场耦合模型,并提出了迭代求解算法,以塔里木油田某深井为例分析了井筒瞬态温度、压力耦合变化规律.结果表明:循环8 h后井底钻井液的密度由1 360 kg/m3升至1 460 kg/m3,塑性黏度由8.6 mPa·s升至13.8 mPa·s;开始循环时井底压力迅速降低,循环0.2 h时降至最低,然后逐渐升高,最后趋于稳定;井底钻井液的密度和塑性黏度随循环时间增长而增大;气侵量对井底压力的影响最大,钻井液地面密度、排量、井口回压次之,钻井液地面塑性黏度的影响最小.分析结果可为深井、超深井水力参数设计提供理论指导.

     

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出版历程
  • 收稿日期:  2014-07-10
  • 修回日期:  2014-11-27
  • 刊出日期:  1900-01-01

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