Repeatability of Optical Measurements in the Subsea Environment and the Importance of Index Refraction Correction

Starts: Thu, Nov 15, 2018 11:30 AM
Ends: Thu, Nov 15, 2018 12:30 PM
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The offshore Oil and Gas industry is always improving and learning regarding integrity and operational benefits for accurate, repeatable condition monitoring that can measure the current location of subsea assets relative to adjacent structures. 

The ability to take terrestrial 3D or “dimensionally controlled” accuracies subsea using proven LiDAR technology has been impeded due to refraction index which distorts light-based measurements through varying mediums of water.  For accurate, repeatable measurements in the subsea environment, a mathematical correction needs to be applied to correct for light distortion. Further, a robust optical design enables the accuracies and repeatability only found with industrial grade terrestrial measurements which advertise at 2-3mm. 

This presentation sets to show real-world examples that knowing the unknown is not enough; visualizing and measuring with accurate and actionable data is the game changer. The ability to manage, improve and extend subsea integrity due to subsidence, thermal expansion and/or vibration is now possible using this proven subsea LiDAR technology. 

About the presenter
Dereck Pierce
Derek Pierce brings over 18 years of experience in onshore and offshore surveying with a focus on delivering strategic value to client projects and portfolios. As the U.S Operations and Client Lead, Derek overseas client relationships and deliverables to ensure maximum value is realized for every LiDAR project. 

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30 Seats Event Capacity
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Event Location

Harry Cameron Technology Center (HCTC)

6401 W. Sam Houston Parkway N
Houston, Texas 77041,
Phone: + 1 832.787.8502
Website: https://www.products.slb.com

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