Pressure_DrawDown_Calculator

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Generally, production rates increase with increasing draw-down and it's the primary force that drive reservoir fluids into the wellbore.

Pressure DrawDown Calculator is developed primarily to offer assistance to petroleum engineers, reservoir engineers, petrophysicists, researchers, drilling engineers, petroleum production engineers, completion engineers, students (undergraduates, postgraduates, etc.), and other oil and gas professionals compute the difference between reservoir pressure and flowing pressure (i.e pressure drawdown) in steady-state flow.

One of the main purposes of petroleum production engineering is to maximize the productivity index in a cost effective manner, that is, to increase the flow rate for a given driving force (pressure draw-down) or to minimize the draw-down for a given rate.

Pressure DrawDown Calculator computes the differential pressure into the wellbore.

The input parameters for Pressure DrawDown Calculator include: production rate, formation volume factor, viscosity, permeability, reservoir thickness, drainage radius, well radius and skin (Enter zero for skin parameter if it is not considered), all parameters expressed in oilfield units.