Research On Carbon Dioxide Recovery Technology Based On Jidong Field 104

Based on reservoir engineering theory basis and technology mainly by means of reservoir numerical simulation,with noble fort 104 as the research object,and obtain the geological data of the reservoir,and then according to the geological data are analyzed,at the same time understanding of the current measures taken in the development process,and the problems in the process of mining,geological model,for single well history matching.Through large data simulation,test parameters,combined with the actual work situation,design of CO2 injection solution.Through the study of geological data blocks,the survey found high 104-5 block structure in north west-south east direction distribution,main body structure was two larger high willow and north south off fault cut into multiple fault block,its development in high fault up plate,and the nose structure as the boundary,its formation pressure and formation pressure system belongs to the normal temperature,temperature and block structure reservoir with edge and bottom water;Through the numerical simulation results show that the average forecast period on the whole is induced on daily fluid production output increases with carbon dioxide injection increases first and then slightly lower,reasonable carbon dioxide injection for 800 t;Average forecast period on the whole is induced on daily fluid production output increases with carbon dioxide injection rate first increased and then decreased,the reasonable carbon dioxide injection rate of 100t/d;Average forecast period on the whole is induced on daily fluid production output with the extension of soak time of first increased and then decreased,reasonable soak time for 30d;Average forecast period on the whole is induced on daily fluid production output decreased with increasing cycle production time,reasonable production cycle time of 180 d.CO2 can improve the recovery efficiency of single well,the technology for horizontal Wells in high water cut of heavy oil in the middle of the development,due to the large amounts of water,the development efficiency is decreased obviously after the very effective measures.Comprehensively summarized in order to further the carbon dioxide production technology,the application of this technology is more simple and applicable method was studied in this paper,the carbon dioxide production engineering design,through a variety of evaluation and prediction,optimization for a variety of solutions,to guide the application of the technology in the field.Analysis of co2 flooding technology promotion at the same time,think that carbon dioxide increase oil technology in the successful application of horizontal well in Jidong oilfield,for promoting the technology in the domestic similar oilfield the scene of the theory and experience.In 2011 the project team will be the technology successfully applied in golden horse oilfield sea and the edge of production plant in Shenyang the block 26,Shen 625 block,the golden horse oilfield application 15 Wells,production plant in Shenyang20 Wells,received the good effect of oil increase water control.