Fluid Compatibility Test

Definition - What does Fluid Compatibility Test mean?

A Fluid Compatibility Test is an assessment conducted on the fluids used during the exploration and drilling of oil and gas to ensure that the fluids do not have any undesirable reactions with other wellbore fluids or reservoir fluid. This test is important because certain fluids may cause significant reactions which may damage the reservoir. The test may also include a reservoir formation compatibility checks.

Petropedia explains Fluid Compatibility Test

During the drilling process of an oil or gas well, drilling fluids are used on drilling rigs to aid the drilling of boreholes into the earth. All drilling fluids may not be compatible with the reservoir fluid, other treating fluids or wellbore fluids and can have significant reactions which may damage the reservoir. Therefore certain compatibility tests are conducted on the fluids being used for drilling the wellbore or during oil and gas exploration before using them. There may be a series of tests on the fluids to find out their compatibility with all other fluids. The test should also show if the fluids may damage the reservoir permeability.

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