Polymer flooding is a technology of enhanced oil recovery due to increase of surface efficiency and reduction of residual-oil saturation in the flushed zone due to  reduction of a ratio of oil mobility and displacement agent in the formation.

Field of application

Enhanced oil recovery, enhanced oil recovery methods.

Technology efficiency

The average efficiency of the technology is 300 tons of incremental oil production per 1 ton of injected polymer. The technology of polymer flooding shows high efficiency in case of its use at fields with different characteristics around the world. The technology was most widely used in Canada, the USA and China.

Technology peculiarities

The technology represents injection of water solution of a synthetic polymer at a concentration of 0.05-0.3% to injected water. The volume of the injected rim is 10-40% of the pore volume of the formation.

159Polymer flooding technology https://mirrico.ru/upload/iblock/cdd/cdd9b11091ebc1180e509ca31e9aa1fa.jpg
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