Title: Optimization of conversion scheme and parameters of injection&production after steam stimulation in heavy oil reservoirs
Abstract: Currently Ng2+3 formation of Block Shan 10 in Shengli Oilfield has undergone multi-cycle steam stimulation,therefore water cut in producing wells is high and steam simulation efficiency is poor.4 types of conversion scheme,namely,hot water flooding,hot water foam flooding,steam flooding and the 4 types of conversion scheme are optimized through physical simulation in lab;numerical models are established by using reservoir numerical simulation software and the injection production parameters for the optimized well groups converted to flooding are optimized.The results show that the effectiveness of steam flooding with nitrogen foam is the best and its ultimate recovery will reach 49.87%.The study is significant to the study on next conversion to flooding and stable production and provides reference to the conversion of development scheme of similar reservoirs.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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