Basic understanding of water flooding as a secondary recovery concept

The need for energy and mineral resources is needed the survival of human life. One results minerals contained in bowels earth crude oil. Natural oil still a top priority natural resource needs Indonesia. So it necessary to explore exploit resources. Secondary recovery (water flooding) tertiary methods are carried out on an gas well assist process producing surface. Water flooding method that widely used because water easy obtain, supply quite cheap mobility low. injection second stage by injecting into reservoir so remaining can be pushed production well. its application show decreasing trend if efficiency this has decreased, therefore after decreased production, EOR as applied.