Injection Well Testing

Definition - What does Injection Well Testing mean?

Injection Well Testing is the testing of a well by injecting fluid into the reservoir. Falloff test is the most common type of test in which pressure decline is determined as the function of time. In most reservoirs, the formation pressure is adequately high to maintain a complete column of fluid in the borehole and track the pressure at the surface. The method of Injection Well Testing is designed to optimize the operating conditions of an injection well and maximize oil recovery from water flood without causing any damage to the reservoir.

Petropedia explains Injection Well Testing

The first and main objective of Injection Well Testing is to allow maximum pressure differential between the producer and the injector within the formation fracture pressure constraints. Higher rates of injection result in higher production and quicker response. The theories and equations of Injection Well Testing are considered to be the same as those of drawdown and buildup testing. The calculated results of Injection Well Testing are generally good as the formations are filled with liquid. Water injection wells are often inadvertently fractured at some time and leave a negative effect on the skin.

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