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《Journal of Chengde Petroleum College》 2017-06
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Evaluation and Comparison of Steady State Horizontal Well Productivity Models

WU Yan-xin;DONG Chang-yin;GAO Kai-ge;Petroleum Engineering Institute,China University of Petroleum ( East China);  
The assumptions and derivation methods of steady state horizontal well productivity calculation models are different,which leads to the large difference in the calculation results. To facilitate the selection of suitable models for researchers applied in different production influencing factors,this paper summarizes various production models home and abroad,evaluates the accuracy of each model by giving numerical examples,and analyzes the reason which causes the difference of the results. The results show that Joshi model,Renard-Dupuy model,Lang Zhaoxin model and Chen Yuanqian model are better used in the case,and the heterogeneity permeability is less than 1. Renard-Dupuy model is not suitable for the case,and the heterogeneity permeability is more than 1; Xu Jingda model and Dou Hongen model weaken the influence of the supply area at both ends of the horizontal well,so it is more suitable for the long horizontal wells.
【CateGory Index】: TE328
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