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   石蜡沉积 的翻译结果: 查询用时:1.238秒
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石蜡沉积     
相关语句
  wax precipitation
     WAX PRECIPITATION PREDICTION BY THERMODYNAMIC MODEL OF GAS-LIQUID-SOLID THREE PHASES EQUILIBRIUM
     气-液-固三相相平衡热力学模型预测石蜡沉积
短句来源
     THE PREDICTION METHOD FOR WAX PRECIPITATION
     石蜡沉积预测方法
短句来源
     The calculation results for three crude oil systems from literature and the model crude oil system studied in this research by the modified thermodynamic model present in this work and the regular solution model proposed by Leelavanichkul are compared with theexperimental ones, it can be seen that not only for complicated crude oil systems but also for simple model system, the modified thermodynamic model is much better than the regular solution model proposed by Leelavanichkul for calculating the amount of wax precipitation under different temperatures.
     运用上述模型与文献中Leelavanichkul模型对文献中的三个原油体系以及本文实验体系进行了模拟计算并与实验结果进行了比较,发现不管是复杂的原油体系还是简单的模拟原油,对于不同温度下的石蜡沉积量本文新建立的模型其模拟结果要远远优于Leelavanichkul模型。
短句来源
     Research of Experiment and Modeling on Wax Precipitation.
     石蜡沉积实验与模拟研究
短句来源
     For the wax precipitation temperature, the calculation results by the model present in this work are little higher than the experiment ones.
     对于石蜡沉积点,本文模型的模拟结果要稍大于实验值。
短句来源
更多       
  paraffin precipitation
     RESERVOIR DAMAGE CAUSED BY PARAFFIN PRECIPITATION
     石蜡沉积对储层孔隙度和渗透率的影响
短句来源
     Reservoir damage caused by paraffin precipitation
     石蜡沉积对储层的伤害
短句来源
     This paper used rock-capillary model to simulate the formation pore volume,and derives the variation equation between paraffin precipitation and formation parameters using the correlation among surface area to volume ratio,porosity and permeability,etc. Through a practical calculation we made a conclusion that porosity and permeability have declined separately after the precipitation of paraffin.
     根据岩石—毛细管模型,以及地层孔隙度、渗透率和比面的关系推导出了石蜡沉积以后的孔隙度和渗透率的变化公式,并通过实例计算证实石蜡沉积以后,地层的孔隙度和渗透率都有不同程度的下降。
短句来源
  paraffin deposition
     STUDY AND APPLICATION ON THE TECHNIQUE OF PARAFFIN DEPOSITION PREDICTION IN FORMATON
     储层石蜡沉积预测技术研究与应用
短句来源
     In recent years, along with the development deeply and broadly in the petroleum developing and processing, the research and resolution of the paraffin deposition is becoming the more urgent and outstanding.
     近年来,随着石油和天然气的勘探、开发、和石油加工向纵深方向的迅速发展,研究和解决石蜡沉积问题的紧迫性和重要性愈加突出。
短句来源
     In this paper,the mathematics model on paraffin deposition prediction in formation is developed through classic solution theory,mass conservation and energy conservation etc. principles. The software of paraffin deposition prediction in formation(FPOS1.0)is developed and applied to 28 wells in Xinmin Oilfield.
     文中应用理想溶液理论、质量守恒和能量守恒等基本原理 ,建立更符合油田实际情况的油藏中石蜡沉积预测数学模型 ,开发一套方便实用的油藏中石蜡沉积预测软件系统FPOS1 0。
短句来源
     The influential factors of wax deposit of wax-containing crude under the condition of the turbulent flow are analyzed in the paper. The wax deposition mechanism was described with the molecular diffusion and shear effects. The prognostication model of deposit's thinkness and wax content change with time are deduced and built,which is compared with TU single-phase paraffin deposition model and Singh et al.
     对含蜡原油在紊流条件下蜡沉积的影响因素进行了分析,并采用分子扩散和剪切效应的总效应来描述石蜡沉积机理,推导并建立了固相沉积厚度及固相沉积中的石蜡分数随时间的变化关系的预测模型,并把该模型与TU单相沉积模型和Singh et al.
短句来源
  wax deposition
     Measurement and simulation of wax deposition in waxy crude
     含蜡原油石蜡沉积模拟方法研究
短句来源
     The influential factors of wax deposit of wax-containing crude under the condition of the turbulent flow are analyzed in the paper. The wax deposition mechanism was described with the molecular diffusion and shear effects. The prognostication model of deposit's thinkness and wax content change with time are deduced and built,which is compared with TU single-phase paraffin deposition model and Singh et al.
     对含蜡原油在紊流条件下蜡沉积的影响因素进行了分析,并采用分子扩散和剪切效应的总效应来描述石蜡沉积机理,推导并建立了固相沉积厚度及固相沉积中的石蜡分数随时间的变化关系的预测模型,并把该模型与TU单相沉积模型和Singh et al.
短句来源
     Molecular diffusion plays a significant role on the wax deposition on the inside tube wall while the shearing diffusion of wax particles plays little.
     试验证实,蜡晶粒子剪切扩散对石蜡沉积没有作用,管内壁石蜡沉积主要是分子扩散的作用所致。
短句来源

 

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      wax precipitation
    When the temperature of waxy crude oil is below the wax precipitation temperature, wax will precipitate out from oil solution.
          
    An understanding of the key parameters affecting wax precipitation is critical to the interpretation of both laboratory results and model predictions.
          
    Nevertheless, we believe that wax precipitation could be an important factor affecting crude oil composition in subsurface.
          
    Wax precipitation will affect the samples and producing in the hydrate region will require injection of inhibitors.
          
      paraffin deposition
    Paraffin deposition in crude oil production and depressor additives for paraffin inhibition
          
    Paraffin deposition on cold metallic surfaces in crude oil production, collection, and transportation is studied.
          
    Modeling of paraffin deposition in flow of a gas-oil mixture in tubes
          
    Proper design of paraffin management systems is dependent upon a priori knowledge of paraffin deposition rates and gel deposit properties.
          
      paraffin deposits
    Removal of asphalt-paraffin deposits in oil pipelines by a moving source of high-frequency electromagnetic radiation
          
    Growth of paraffin deposits on the pipe surface in a stream of oil
          
    Measurement of the thickness of paraffin deposits with noncontact receivers by the thermal boundary layer method
          
    A major problem in oil extraction and transport is the buildup of paraffin deposits that restrict flow in the pipeline.
          
    It should also permit the more efficient development of wax inhibitors and solvent systems necessary to remove or reduce paraffin deposits.
          
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      其他


    The gas saturated crude transportation method discussed in this article is a fairly good

    本文所论述的气饱和原油输送法,对于高粘度、高含蜡原油的输送,是一种较好的方法.采用这种方法能降低管输压力,提高管输生产率并能减少管壁上的石蜡沉积.

    The performance of wax deposits both in static and dynamic conditions and the pourpoint of PuLing crude at same, conditions are evaluated using a tubular apparatus. It is found that after the crude is treated by additive "EVA" , there is a difference in changes of the deposition and flow characteristics. That is, the depressant effects on wax deposits strength strictly dependent on treating Condition and temperature of crude oil. The necessity for establishing a criterion is emphasized. In making the criterion,...

    The performance of wax deposits both in static and dynamic conditions and the pourpoint of PuLing crude at same, conditions are evaluated using a tubular apparatus. It is found that after the crude is treated by additive "EVA" , there is a difference in changes of the deposition and flow characteristics. That is, the depressant effects on wax deposits strength strictly dependent on treating Condition and temperature of crude oil. The necessity for establishing a criterion is emphasized. In making the criterion, account must be taken of both deposition and flow characteristics based on pipeline temperature for selecting optimum thermal treating temperature.

    本文使用自行研制的管式静态石蜡沉积装置测定了不同处理条件下濮阳原油的静态蜡沉积特性和对应条件下原油的凝固点。发现濮阳原油经添加剂(EVA)处理后,其石蜡沉积特性和流动特性的变化趋势不一致。石蜡沉积强度的抑制效果,严格地取决于原油处理条件和油品温度。提出应探索新的评价管输含蜡原油处理效果的标准。应能根据管线的温度条件,综合考虑含蜡原油的石蜡沉积特性和流动特性两项指标,从而选择最优的原油热处理温度、化学添加剂类型和添加浓度。

    The flow characteristics(pour point, apparent viscosity and yield value) of Shengli wax-bearing crude and the wax deposit characteristics can be improved appreciably by adding a flow improver of poly higher mixed alcohol acrylates(PMHAA)under suitable conditions. The effect of the experimental conditions and the chemical structure of PMHAA on waxy crude flow characteristics and wax deposit characteristics are also studied. A discussion on PMHAA mechanism indicates that the side-chain ester radical in PMHAA must...

    The flow characteristics(pour point, apparent viscosity and yield value) of Shengli wax-bearing crude and the wax deposit characteristics can be improved appreciably by adding a flow improver of poly higher mixed alcohol acrylates(PMHAA)under suitable conditions. The effect of the experimental conditions and the chemical structure of PMHAA on waxy crude flow characteristics and wax deposit characteristics are also studied. A discussion on PMHAA mechanism indicates that the side-chain ester radical in PMHAA must of similar length with the wax hydrocarbon to achieve co-crystallization.

    采用自行研制的聚丙烯酸高级混合醋作流动性改进剂,在适宜的条件下,可使胜利油田含蜡原油的流动特性(凝点、粘度和屈服值)和石蜡沉积特性得到明显改善。同时研究了实验条件及聚丙烯酸高级混合酯的化学结构对含蜡原油流动特性和石蜡沉积特性的影响,并对聚丙烯酸高级混合酯的作用机理进行了讨论。文中指出,聚丙烯酸高级混合酯的侧链醋基长度必须与原油中石蜡烃长度相适应才能使二者共晶。

     
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