Application of GK Fuzzy Clustering Method for PVT Analysis of Gas Condensate Reservoirs

Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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ICHEC07_643

تاریخ نمایه سازی: 25 فروردین 1394

Abstract:

In this work Gustafson-Kessel (GK) FCM algorithm was implemented and its effectiveness in handling high dimensional data was revealed. This algorithm associates each data point in the dataset with every cluster using an optimized membership function. GK forms a generalization of theFCM algorithm by utilizing the Mahalanobis distance for non-spherical clusters. In this clusteringalgorithm, components are placed in the hyper-component along with simultaneous calculation ofcritical and thermo-physical properties. Four case studies were selected for the characterization inPVT analysis of gas condensate reservoir fluids. The mixture composition and properties of the gas condensate samples of reliable published data are used. The automatic placement of components in each group is consistent with previous schemes those have highly heuristic natureof pseudo-component generation. The perfect agreement between detailed and clustered PVTanalysis, shows good predicting capability of this clustering algorithm in mixture characterizationand pseudo-component generation to simulate thermodynamic equilibrium and volumetric behavior in PVT experiment designed for gas condensate reservoir including prediction of condensed liquid dropout, densities, viscosities and saturation pressure

Authors

m Assareh

Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box ۱۱۳۶۵-۹۴۶۵, Tehran, Iran

c Ghotbi

Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box ۱۱۳۶۵-۹۴۶۵, Tehran, Iran

m.r pishvaie

Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box ۱۱۳۶۵-۹۴۶۵, Tehran, Iran

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