Definition(s)


Maximum Anticipated Surface Pressure (MASP)

A design load that represents the maximum pressure that may occur in the well during the construction of the well. NOTE: As with land and shelf wells, the MASP is a surface pressure.

Source: API STD 53, Blowout Prevention Equipment Systems for Drilling Wells, Upstream Segment, Fourth Edition, November 2012. Global Standards

 

Maximum Anticipated Surface Pressure (MASP)

A design load that represents the maximum pressure that can occur at the surface during well construction or production.

Source: API RP 96, Deepwater Well Design and Construction, First Edition, March 2013. Global Standards

 

Maximum Anticipated Surface Pressure

The highest pressure predicted to be encountered at the surface of the well. This pressure prediction should be based upon formation pressure minus a wellbore filled with native formation fluid at current conditions. If formation fluid information is unknown, this pressure prediction should be based upon formation pressure minus a wellbore filled with dry gas from the surface to the completion interval.

Source: NORSOK D-002, Well intervention equipment, Rev. 2, June 2013. Global Standards

 

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