Definition(s)


Effective Hydraulic Cylinder Area

Net area of the cylinder inside diameter (ID) subjected to internal pressure.

Source: API Specification 16Q, Design, Selection, Operation, and Maintenance of Marine Drilling Riser Systems, Second Edition, April 2017. Global Standards

Effective Hydraulic Cylinder Area

Net area of moving parts exposed to tensioner hydraulic pressure.

Source: API RP 16Q, Recommended Practice for Design, Selection, Operation and Maintenance of Marine Drilling Riser Systems, First Edition, November 1993 (Reaffirmed August 2001). Global Standards

Source: ISO 13624-1:2009, Petroleum and natural gas industries – Drilling and production equipment – Part 1:Design and operation of marine drilling riser equipment. Global Standards

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