Water flooding is a method of recovery that is used in the secondary production life of a well. The inherent idea is that by converting an old production well or drilling a new well the operator will then be able to inject water into a formation and improve production. read more
Water injection can be two things, it is either used interchangeably with water flooding or it is referring to water disposal. Water disposal is taking produced water from a field and then reinjecting it back underground. read more
I do not think that there is any difference. Petroleum engineers normally inject water into an oil reservoir to maintain the reservoir pressure (and. read more