Dual Horizontal Well Steam Assisted Gravity Drainage Technology In The DU 84 Guantao Reservoir Development Of The West

Du Shu an area of Liaohe Oilfield Block 84 Guantao heavy oil, oil products because of its special nature, resulting in conventional cyclic steam stimulation production decline rapidly, the annual decline rate of around 20%. Du Shu District 84 for a heavy oil reservoir Guantao block the development of the late rounds of high throughput, development effect becomes worse and so on, through a lot of statistical data, the development characteristics of the block, horizontal well stimulation systematic study law, and geological parameters from the reservoir, steam injection process parameters, such as oil well stimulation analyzes the effects of constraints, throughput for the following wells provide a scientific basis. Developed a dual horizontal well steam assisted gravity drainage technology, steam assisted gravity drainage technology in the Liaohe oil field block Shu super heavy one area have formed a certain scale, significant effects of measures. However, dual horizontal well steam assisted gravity drainage combination of theoretical research is also relatively lacking, with block development characteristics of the selected area and construction of wells to optimize the parameters, using theory to guide on-site implementation of measures to further improve the results.In this paper, a district Du Shu Block 84 heavy oil reservoir characteristics, oil properties, production and other aspects, through laboratory simulation study, the final well selection to optimize the scope of the purpose of optimization of technical parameters in order to guide the field application improve the effectiveness of measures. Application results show that the study of the dawn of the super heavy oil has a positive role in guiding the development, two horizontal wells combined steam assisted gravity drainage (SAGD) technology for the development of DU 84 Guantao oil needs.