Anticipated Surface Pressure
Definition - What does Anticipated Surface Pressure mean?
Anticipated Surface Pressure is the maximum pressure applied while constructing a well. It can be obtained by the hydrostatic pressure equation of a given fluid inside the wellbore. The load case models showcase the surface pressure applied to mud gradient. The Anticipated Surface Pressure helps in determining the selected load cases along with suitable safety margins. Besides, the shelf and land wells have maximum Anticipated Surface Pressure. The pressure is generally exerted on casing strings or well head equipment while drilling.
Petropedia explains Anticipated Surface Pressure
Anticipated Surface Pressure is equal to the breakdown pressure at a single point under consideration while subtracting the hydrostatic head of influx in the casing. There are a number of stages that can make variations in the results of the surface pressure. During the calculations of the Anticipated Surface Pressure, few points should be considered such as completion, drilling or producing conditions. The pressure also depends on total well depth, casing settings, fracture gradients, types of fluid formations and the total well depth. Moreover, it is used for designing the production string.
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