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Another Riser Management System Contract For Fugro

Fugro GEOS’ Structural Monitoring Division has recently been awarded a contract by FMC Technologies to supply a Riser Management System (RMS) for a completion/workover (C/WO) riser that FMC Technologies is supplying for Statoil’s Gjøa field, offshore Norway.

06 Jul 2007

Developed by Fugro and MCS, the market leaders in riser analysis and associated software the IRIS-RMS system is an integrated riser management system for drilling and C/WO risers that calculates a safe operating envelope using the unique MCS finite-element model of the riser.

The RMS consists of riser-mounted instrumentation, cables, and computer system running the MCS software. IRIS-RMS interfaces with vessel systems to collect key data to feed into the software’s sophisticated finite element predictive model and associated simulation software. Riser-mounted strain and/or accelerometer packages are also typically installed. The system also includes modules to calculate and display the operating envelope and drift-off characteristics.

Not only does the system monitor and record riser loads during operation, it also displays hotspot stresses within the riser and computes the top tension and tensioner/hook load tension split. It also tracks the fatigue life of each joint in the riser, and records and displays riser stresses during unexpected/unplanned incidents. IRIS-RMS warns if the riser is approaching its design capacity.

Further information on the IRIS-RMS is available from Fugro GEOS offices around the world and also from MCS.


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