IOR/EOR research and development of Vietsovpetro joint venture
Abstract
In recent years, the production of oil and gas in Bach Ho and Rong fields has been decreased with high water-cut. Although Vietsovpetro has brought some new fields such as Nam Rong-Doi Moi, Gau Trang, and Tho Trang into production and implemented many geotechnical solutions, the oil and gas production of Vietsovpetro still continues the decline.
According to full field development plan reports of Bach Ho, Nam Rong-Doi Moi, Gau Trang and Tho Trang, residual oil is just over 55 million tons. Due to this fact, Vietsovpetro plans to have a programme for research and implementation of EOR in consultation with reputable companies in this area, in order to increase the probability of success of the project and obtain higher rates of recovery.
This paper analyses the current production status, recent EOR methods applied in Vietsovpetro’s oil fields, the mechanistic modelling of alkaline surfactant polymer flooding, hybrid process, and low tension gas flooding. We used a screen approach to identify the most potential applicable EOR method.
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