利用磷虾群觅食优化算法求取阿尔奇公式参数
A Method for Calculating Parameters of Archie Formula Using Krill Foraging Algorithm
DOI: 10.12677/JOGT.2018.403083, PDF,  被引量   
作者: 金仁高, 邱海滨：中国石油集团测井有限公司生产测井中心，陕西 西安
关键词: 磷虾群觅食优化算法；阿尔奇公式；参数优化；Krill Foraging Algorithm； Archie Formula； Parameter Optimization
摘要: 阿尔奇公式中的各个参数值的准确选取对含水饱和度的结果影响巨大。为了解决在岩电试验和一些地区的岩心和岩电数据不足，难以有效、准确地得到阿尔奇公式参数值的问题。根据30块岩心样品的蜡封岩心水饱和度试验数据、物性数据以及电阻率数据，利用磷虾群觅食优化算法的全局寻优能力求取的阿尔奇公式的参数a、b、m、n分别为0.9931、1.0308、2.322和2.133。利用计算参数预测了其他8个岩样的含水饱和度，并与岩心分析结果进行了对比，平均相对误差在10%以内，拟合效果较好，说明磷虾群觅食优化算法在饱和度参数估计上可靠、有效，具有应用前景，可为储层的含水饱和度评价工作带来帮助。
Abstract: The accurate selection of each parameter value in Archie formula had a great influence on the result of water saturation. In order to solve the problem of insufficient core and rock electricity data in rock electricity test and some areas, it is difficult to get the parameter of Archie formula effectively and accurately. Based on the water saturation test data, physical property data and resistivity data of 30 core samples, the parameters of the Archie formula obtained by using the global searching ability Krill Foraging optimization algorithm were used for obtaining Archie parameters a, b, m, n, which were 0.9931, 1.0308, 2.322 and 2.133 respectively. The water saturation of the other 8 samples was predicted by using the calculation parameters, and the results were compared with those of the core analysis, the average relative error was within 10%, the fitting effect was good. The results show that the krill foraging algorithm is reliable and effective in the estimation of saturation parameters, and has the application prospect, which is beneficial for evaluating the water saturation in reservoirs.
文章引用：金仁高, 邱海滨. 利用磷虾群觅食优化算法求取阿尔奇公式参数[J]. 石油天然气学报, 2018, 40(3): 184-189. https://doi.org/10.12677/JOGT.2018.403083

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