Hydrostatic Pressure

Definition - What does Hydrostatic Pressure mean?

Hydrostatic Pressure is the pressure of fluids present in a hydrocarbon reservoir. This pressure is usually exerted by a column of water on sea level from the depth of a hydrocarbon reservoir inside the earth's surface. The data collected from hydrocarbon and hydrostatic pressure is helpful in volumetric calculations. Hydrostatic pressure is also known as formation pressure or reservoir pressure.

Petropedia explains Hydrostatic Pressure

In order to calculate hydrostatic pressure, bottom hole pressure measuring instruments are used to measure the fluid pressure in the pores of the reservoir. Usually, the pressure inside the reservoir keeps on changing when fluids are produced hence hydrostatic pressure is measured at a specific time and is referred to as initial reservoir pressure. When the fluids flow from the reservoir, the pressure distribution can be in a steady state flow, pseudo steady state flow or transient flow. Optical Fiber technology is considered to be advantageous in measuring the pressure and temperature of the reservoir.

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