| 模拟退火算法用于蒸汽吞吐井生产能力的预测 |
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| 引用本文： | 刘道杰.模拟退火算法用于蒸汽吞吐井生产能力的预测[J].石油工业计算机应用,2007,15(4):32-34,37. |
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| 作者姓名： | 刘道杰 |
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| 作者单位： | 西南石油大学研究生院,四川成都610500 |
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| 摘 要： | 模拟退火算法是一种利用统计力学观点求解优化问题全局最优解的方法,是目前解决优化问题的一种比较先进的方法。本文应用模拟退火算法对蒸汽吞吐注采参数进行优化设计,并确定出了6个吞吐周期的最优周期产油量和周期注蒸汽量,较实际周期产油量和实际周期注汽量均有明显增加。将各周期的优化累积产油量和优化累积注汽量画在累积产油量与累积注汽量的双对数坐标中,得出累积注汽量和累积采油量关系曲线(简称注采关系曲线)。将该注采关系曲线外推估算了该井未来周期的累积产油量和累积注汽量,从而达到对蒸汽吞吐井生产能力的预测。
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| 关 键 词： | 模拟退火 蒸汽吞吐 累积注汽量 累积产油量 产能预测 |
THE SIMULATED ANNEALING ALGORITHM USED IN FORECASTING THE PRODUCTION CAPACITY OF A STEAM-STIMULATED WELL |
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| Abstract: | Simulated annealing algorithm is a kind of method to solve optimization problems with statistical mechanics. It is advanced at present.The simulated annealing algorithm is used to optimize the injection-production parameters in steam stimulation and determine oil output of the optimum cycle and injected steam volume in 6 steam stimulation cycles.The practical cyclic oil output and cyclic steam injection volume are increased obviously.The injection-production relation curve can be used to estimate the periodic cumulative oil production and cumulative steam injection volume to arrive at the object of forecasting the production capacity of a steam-stimulated well. |
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| Keywords: | simulated annealing steam stimulation cumulative steam injection volume cumulative oil production productive capacity forecasting |
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