Hybridization of the probability perturbation method with gradient information

被引:4
作者
Johansen, Kent
Caers, Jef
Suzuki, Satomi
机构
[1] Tech Univ Denmark, Dept Chem Engn, IVC SEP, DK-2800 Lyngby, Denmark
[2] Stanford Univ, Energy Resources Engn Dept, Stanford, CA 94305 USA
关键词
history matching; hybrid method; gradient; probability perturbation;
D O I
10.1007/s10596-007-9055-9
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
Geostatistically based history-matching methods make it possible to devise history-matching strategies that will honor geologic knowledge about the reservoir. However, the performance of these methods is known to be impeded by slow convergence rates resulting from the stochastic nature of the algorithm. It is the purpose of this paper to introduce a method that integrates qualitative gradient information into the probability perturbation method to improve convergence. The potential of the proposed method is demonstrated on a synthetic history-matching example. The results indicate that inclusion of qualitative gradient information improves the performance of the probability perturbation method.
引用
收藏
页码:319 / 331
页数:13
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