Three advantages of Early Supplier Involvement

May 30, 2019 11:17:00 AM / by Jeroen Romijn posted in ROV Cables, Innovation, Deep-sea cables, Cable design, Cable solutions, experience, service, supplier, manufacturing, development, research, test

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Why is it important to involve your cable supplier early in the development of your new product or equipment? At DeRegt we often see customers who have succeeded in developing a great system, but who simply forget to think of the cables involved, or underestimate the complexity of them. You can have two fantastic pieces of equipment, but if you don’t have the right cable to connect them, they are likely to be worthless. Involving your cable supplier at an early stage of the project offers three key benefits:

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An uptick in oil & gas development and other thoughts from OTC 2019

May 23, 2019 3:18:02 PM / by Peter Brussee posted in ROV, Oil & Gas, Naval cables, Umbilical products, Umbilical cables, Flexible terminations, Dynamic cable design, Cable solutions, lightweight solutions, lightweight hybrid umbilical cables, dynamic tether

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The annual Offshore Technology Conference provides a great way to catch up with old and new customers and get a feel for what’s happening in offshore oil & gas. As in other years, we joined forces with other Sercel group companies to show the multidisciplinary fit across the group. As well as DeRegt, we had Metrolog and GRC all on one booth at the heart of the exhibition area. A great position to check the pulse. 


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How to make a light-weight electro/optical umbilical?

May 9, 2019 1:58:34 PM / by Sander van Leeuwen posted in Deep-sea cables, Cable design, Cable solutions

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The newly developed Sonic Wireline Operated Remote Drill (SWORD) is a system designed to collect samples and geotechnical data from the seabed. The cable needs to combine electro/optic components with a high tensile light-weight strength member, taking into account the rules around rope hoisting/lifting applications. Where conventional steel would be too heavy to cope with the system requirements, the optimal configured strength-member is able to withstand the high tension, at a lower self-weight. This white paper explains how De Regt designed, manufactured and tested a unique cable solution with a strength member made of 8 (!) layers of aramid wires. This is a world-first. 

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7 mechanical tests you really need to know about. Part 2

May 2, 2019 11:23:36 AM / by Sander van Leeuwen posted in Thermal analysis tool, Cable design, Testing, Dynamic cable design

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Every cable we design is bent, stretched, rotated and otherwise tortured as part of our verification process. What we do and how? In the first blog of this two-part mini-series, I outlined why mechanical testing can’t be ignored when it comes to designing high performance cables. 

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7 mechanical tests you really need to know about. Part 1

Apr 26, 2019 12:36:41 PM / by Sander van Leeuwen posted in Cable design, Testing, Dynamic cable design

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There are many aspects to designing a dynamic cable (a cable that is meant to move while in use, as happens when towing, for example, or because of wave motion). Things like torque balancing the cable, the load versus elongation properties, the crush resistance or its fatigue life. But behind every great cable there’s always one thing: a rigorous testing regime that involves checking and describing a cable’s mechanical performance and the applications it can be used for – verification and characterization in industry jargon.

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Check out our number one priority: health and safety

Apr 17, 2019 4:43:05 PM / by Jeroen Romijn posted in News, HSE day

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Like every company, we’re in business to make a profit. But not at any expense. And certainly not at the expense of our employees, assets, the environment and communities. So how do we work? What principles do we live by? We covered them all in our recent Health and Safety Day. See for yourself by watching the video.

For more information about the HSE principles, please Contact Us. 

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Five Types of Terminations

Apr 2, 2019 12:21:04 PM / by Manuella Hoogendijk posted in ROV Cables, Naval Defense, Seismic, Defense, Bespoke marine cables, Seismic source umbilical terminations, Seismic lead-in terminations, Flexible terminations, Lightweight balloon tether terminations, Seabed equipment terminations

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DeRegt works with each individual client to provide the perfect cable solution for their specific requirements. Each cable system by DeRegt is custom-made and this does not only apply to the cables themselves, but the terminations as well. DeRegt is able to design the termination to adapt to specific circumstances and to think outside the box to find the right solution for every situation. From deep undersea to high in the sky, terminations can be grouped into a few types which share similar features.

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An unusual request from 200km off the Norwegian coast- an interview with Aker Solutions

Mar 19, 2019 12:37:07 PM / by Peter Brussee posted in Oil & Gas, Naval cables, Umbilical products, Bespoke marine cables, Heidrun platform, Subsea cables, Umbilical cables

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Aker Solutions came to DeRegt with an unusual request. Aker is responsible for the maintenance of a floating concrete tension-leg platform, installed over a subsea template with 56 well slots. The rig is named Heidrun, and produces oil and gas from a depth of 2,300 metres. It is located about 200 km off the middle of the Norwegian coast. The unusual question was: can you reverse-engineer the same cables from 25 years ago, as a replacement for the next 50? We spoke to Roger Sand at Aker Solutions to find out more about this unique project.

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Blue Nodules: harvesting at 5.5km depth

Mar 8, 2019 4:03:38 PM / by Peter Brussee posted in Naval cables, Innovation, Raw materials, Subsea, Deep-sea cables, Deep sea mining

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The EU aims to reduce dependency on imports of raw materials. Large quantities of raw materials can be found in deep sea Polymetallic Nodules. Polymetallic Nodules contain relatively high concentrations of Nickel, Copper and Cobalt. Cobalt is especially valuable to harvest since it is used in batteries for electric cars. Nodules occur at any depth, but the highest abundance has been found between 4,000 and 6,000m. How do you harvest these nodules at such a large depth?DeRegt was asked to join an EU funded consortium of 14 companies. Industry, research institutes and service companies across seven different countries joined hands to solve the question on how to harvest them, avoiding serious harm and minimizing the environmental risks.

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How does DeRegt get cable buoyancy just right?

Feb 22, 2019 12:07:45 PM / by Maurice Corveleijn posted in ROV, ROV Cables, Whitepaper

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Buoyancy is an upward force exerted by a fluid that opposes the weight of an immersed object. If an umbilical cable is too light it will pull an ROV up, which makes piloting fiendishly difficult when manoeuvring through offshore structures. If the tether is too heavy it will push the ROV down making delicate work impossible. So how do we make sure we get it just right? Find out how we are able to test down to a single gram, up to 200 bar.

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