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Asymptotic Method of Solution for a Problem of Construction of Optimal Gas-Lift Process Modes

机译:最优气举过程模式构造问题的渐近解法

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摘要

Mathematical model in oil extraction by gas-lift method for the case when the reciprocal value of well's depth represents a small parameter is considered. Problem of optimal mode construction (i.e., construction of optimal program trajectories and controls) is reduced to the linear-quadratic optimal control problem with a small parameter. Analytic formulae for determining the solutions at the first-order approximation with respect to the small parameter are obtained. Comparison of the obtained results with known ones on a specific example is provided, which makes it, in particular, possible to use obtained results in realizations of oil extraction problems by gas-lift method.
机译:考虑井深的倒数代表较小参数的情况,采用气举法采油的数学模型。最优模式构造的问题(即,最优程序轨迹和控件的构造)被简化为具有小参数的线性二次最优控制问题。获得用于确定相对于小参数的一阶近似解的解析公式。在特定的示例上提供了将获得的结果与已知结果进行比较的结果,这尤其使得可以将获得的结果用于通过气举法实现采油问题。

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  • 来源
    《Mathematical Problems in Engineering》 |2010年第2期|p.18.1-18.10|共10页
  • 作者单位

    Institute of Applied Mathematics, Baku State University, Baku 1148, Azerbaijan;

    Institute of Applied Mathematics, Baku State University, Baku 1148, Azerbaijan;

    Institute of Applied Mathematics, Baku State University, Baku 1148, Azerbaijan;

    Department of Mathematics and Statistics, York University, Toronto, ON, Canada M3J 1P3;

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