Title: Parameters optimization on combined thermal recovery technology of heavy oil
Abstract: Heavy oil,as a very important resource,is increasingly attracting people’s interests and the performance of normal exploiting technology,such as steam stimulation and steam flooding need to be improved.Based on the normal exploitation technology of heavy oil,the numerical simulation method is employed to research combined thermal recovery technology of heavy oil.Some technical parameters,such as switching time,injection rate of steam,production factor and steam quality are optimized,some conclusions are drawn as follows: 1 the best transition moment from steam huff and puff to steam assistant gravity drainage(SAGD) is when the temperature between the injection and the production well is 120 centigrade degree;the most appropriate injection rate of steam is 100-150m3/day,production factor 1.2,steam quality above 0.5,2 a suitable schemes to recover an unexploited oil field is steam assistant gravity drainage after some turns of steam huff and puff.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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