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模型及计算
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The actual wind speed power model and calculation method of a wind farm made up of many wind turbine units are discussed.
      
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Abstract

本文叙述了用有限元法研究轴对称电阻率测井的多功能数值模型及计算程序,并且给出了部分计算实例以及与其他方法对比的结果。这种程序既可用于目前已有的各种电阻率测井方法,又可用于研究新的测井方法,既可计算特征点的值,又可计算连续曲线。对于设计仪器、制作解释图版和进行新的测井方法研究都有重要作用。

On the basis of statistical information of drill bit data base,serial optimization of drill bits used in well bore was developed with dynamic programming and multi-stage decision making.The calculating method and a computer program were given.The drill bit types used in a well bore can be determined and an optimized planning of the matching parameters can also be made with the program.

根据钻头数据库统计资料,应用动态规划及多阶段决策理论,建立了全井段钻头序列优化的多阶段决策模型及计算方法,编制了计算机应用程序。运用此程序即可给出一口井的钻头序列选型和配合参数的优化设计方案。

This paper makes a research on tthe mathenatical model of productivity prediction in view of the four completion methods or horizontal wells of perforation series, such as casing perforated completion, inside casing wire wrapped screen, inside casing gravel pack, inside casing prepacked gravel liner and in consideraton of the effect of formation damage, well completion methods and well completion parameters on the productivity of horizontal wells. Example calculation shows these mathematical models and...

This paper makes a research on tthe mathenatical model of productivity prediction in view of the four completion methods or horizontal wells of perforation series, such as casing perforated completion, inside casing wire wrapped screen, inside casing gravel pack, inside casing prepacked gravel liner and in consideraton of the effect of formation damage, well completion methods and well completion parameters on the productivity of horizontal wells. Example calculation shows these mathematical models and their calculation methods are feasible and can be used in the optimum selection of well completion methods and the optimum design of well completion engineering.

本文针对套管射孔完井、射孔套管内绕丝筛管完井、射孔套管内井下砾石充填完井、射孔套管内预充填砾石筛管完井等四种射孔系列的水平井完井方式,考虑地层损害和完井方式及完井参数的影响,进行了产能预测数学模型的研究。实例计算表明,其数学模型及计算方法是可行的,可用于水平井完井方式的选择与完井参数优化设计

 
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