许广明, 孔祥言, 卢德唐. 利用非稳定渗流方程研究射孔参数对产能的影响[J]. 石油钻采工艺, 2000, 22(4): 42-45. DOI: 10.3969/j.issn.1000-7393.2000.04.013
引用本文: 许广明, 孔祥言, 卢德唐. 利用非稳定渗流方程研究射孔参数对产能的影响[J]. 石油钻采工艺, 2000, 22(4): 42-45. DOI: 10.3969/j.issn.1000-7393.2000.04.013
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Xu Guangming, Kong Xiangyan, Lu Detang. STUDY OF INFLUENCE OF PERFORATION PARAMETERS ON PRODUCTIVITY BY UNSTEADY SEE PAGE FLOW EQUATION[J]. Oil Drilling & Production Technology, 2000, 22(4): 42-45. DOI: 10.3969/j.issn.1000-7393.2000.04.013
Citation: Xu Guangming, Kong Xiangyan, Lu Detang. STUDY OF INFLUENCE OF PERFORATION PARAMETERS ON PRODUCTIVITY BY UNSTEADY SEE PAGE FLOW EQUATION[J]. Oil Drilling & Production Technology, 2000, 22(4): 42-45. DOI: 10.3969/j.issn.1000-7393.2000.04.013
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利用非稳定渗流方程研究射孔参数对产能的影响

STUDY OF INFLUENCE OF PERFORATION PARAMETERS ON PRODUCTIVITY BY UNSTEADY SEE PAGE FLOW EQUATION

    摘要
  • 摘要: 根据射孔完井的渗流特点,利用有限元方法建立了三维单相非稳定渗流的数值模型,有限元方程组的求解是在曙光1000大型并行机上利用区域分解法进行的。利用非稳定渗流方程进行油田射孔产能的研究,克服了稳定渗流方程的局限性和外边界的不确定性。通过各种射孔方案的计算,给出了射孔深度、射孔半径、射孔密度、射孔相位、污染程度和厚度、压实程度和厚度等射孔参数对油井产能影响的曲线,这些结果对油田制定射孔方案具有一定的指导意义。

     

    Abstract: The perforation productivity has been studied by unsteady seepage flow equation. Using the unsteady seepage flow equation can effectively avoid the limitation of steady seepage flow equation and solve the variability of outside boundary of seepage area. The equation has been solved by finite element method in Dawn 1000. This paper has given the influence of perforation parameters on productivity of oil well. The results are very important to the plan of perforation.

     

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