Nautronix Wins DP Contract from Rowan

press release
Thursday, May 24, 2012

Nautronix will supply their NASDrill RS925 Positioning System to Rowan’s new Ultra-Deepwater Drillships.


Nautronix have been awarded a contract to supply NASDrill RS925 deepwater acoustic positioning system for Rowan’s new ultra-deepwater drillships. The vessels will be constructed at Hyundai Heavy Industries shipyard in Ulsan, Korea and are based on a Hyundai Gusto P1000 design. The first vessel will be completed in the fourth quarter of 2013, with the second one estimated to be completed in 2014.


Nautronix received orders for their NASDrill RS925 systems through a well known Norwegian DP Supplier who will supply their Dynamic Positioning (DP) System for these vessels. Nautronix’ NASDrill RS925 system has been designed specifically to meet the requirements for a reliable, stable DP and position reference system for demanding offshore operations, in particular deepwater drilling vessels.


NASDrill RS925 combines the two most accurate deepwater acoustic positioning technologies – Short Baseline (SBL) and Long Baseline (LBL) - to calculate multiple independent position solutions providing reliable, repeatable input to the vessel DP system; with SBL mode providing accuracies of 0.15% slant range and LBL mode providing accuracies up to 1m RMS independent of water depth.


Mark Patterson, Nautronix CEO, commented “We are delighted to be supplying Rowan Companies, Inc. with our NASDrill RS925 positioning system for their new vessels. It is very encouraging to see the high level of interest we are receiving in NASDrill RS925 from the industry, with increasing orders over the last year.”


As with all Nautronix leading commercial acoustic systems, NASDrill RS925 utilises Nautronix proprietary ADS2 (Acoustic Digital Spread Spectrum) broadband signalling technology which has been proven with over ten years of successful subsea operations, to provide superior accuracy, repeatability and reliability for dynamic positioning of vessels during deepwater drilling operations.

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