Main issues of enhanced oil recovery at the oilfields of Belarus and their solutions

01.09.2012

At present Production Association Belorusneft has 63 oilfields. It is worth mentioning that 44% of the reserves are hardly recoverable ones (low-permeable reservoirs and highly-viscous oils) and 20% of reserves are contained in highly watered areas of reservoirs with active reserves and have water cut of more than 80%. So, that means that more than 64% of the remaining recoverable reserves are hard to recover.

 

Main amount of oil production (77.5%) is yielded by oilfields with active hydrocarbon reserves. The rate of withdrawal of active reserves is, on average, 48%, and the withdrawal rate of hardly recoverable reserves is 0.51.5% of the current amount of recoverable reserves. At the same time the share of active reserves is intensively reducing and the share of hardly recoverable reserves is increasing.

 

Under such conditions the main task is to increase oil recovery factor at reservoirs with active reserves and to increase production rates and oil recovery factor at the reservoirs with hardly recoverable reserves in order to retain the planned volumes of oil production.

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