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Oil Recovery

South East Block of Beach Macelle Oilfield in Trinidad and Tobago has been started to be developed since 1957, in which natural-energy elastic development was implemented. This Block is a typical double-low development unit with low rate and low percent of oil production. In this oilfield, the reserve is changeful, oil-bearing section is long, longitudinal span is large, plane heterogeneity and heterogeneity between layers are greatly strong, which makes ordinary elastic and injection development difficult to be further improved.