Title: Field test research on steam flooding in Block PuQ12 in south Putaohua area
Abstract: The steam huff and puff began in 1993 in Heidimiao oil reservoir in Block PuQ12 in south Putaohua area,and in some wells the steam huff and puff had been over 8 cycles till the end of 2003.In order to understand the feasibility of steam flooding in shallow and thin heavy oil reservoirs,and improve the heavy oil reservoir development in Daqing,the field test for steam flooding is carried.During the test,the heat insulation measures both at the surface and down hole to decrease heat loss are evaluated through down hole testing and well bore heat loss calculation.It is concluded: the matching pipe string selected at present is suitable for heavy oil steam flooding;high temperature steam foam profile control technique can be simultaneously used to control steam channeling during steam injection.The development results for more than 2 years field test are good with the interval cumulative oil gas ratio of 0.19t/t,which is higher both at home and abroad.The field test suggests it is feasible for multiple cycled steam huff and puff changing to steam flooding in shallow thin heavy oil reservoirs,and this method has great potential to be applied.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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