Cases

OCAS’s unique fatigue testing technique chosen to look into the viability of single-sided welds for offshore structures

Following the successful outcome of the "Improved Fatigue Life of Welded Jacket Connections" JaCo project, OCAS is once more the Carbon Trust’s Offshore Wind Accelerator preferred partner in their new…

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Looking beyond the standard – an engineering critical assessment case study

A new seabed pipeline had been struck by an anchor. In addition to being moved out of its position, the pipeline was also deformed. As this brought the pipeline out…

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Combatting sour corrosion

Sour corrosion is a serious issue that can cause material failure at stress levels well below the yield strength.

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Offshore wind benefits from accelerated qualification of new welding & joining techniques

Offshore wind is moving fast ahead, especially since cost has come down significantly. Currently, further efficiency improvements are being investigated. OCAS is equipped with a test bench that reduces the…

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Significantly reduce the number of experimental welding tests

Process simulation is to be understood as a virtual sequence of the process that aims to determine geometrical, metallurgical and technological process results. The simulations allow faster and more precise…

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Testing can be fatiguing!

Although, resistance to repetitive loading or fatigue might not be so well known as material degradation term, it is an important material property.

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Introducing higher strength steels to improve safety of blast barriers on offshore platforms

Blast panels are integral structures in offshore topside modules to protect personnel and safety critical equipment by preventing the escalation of events due to hydrocarbon explosions. As such, blast panels…

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Computer simulation of pipeline burst fracture helps preventing catastrophic events

It is widely accepted that economically viable long-distance onshore transportation of large quantities of gases and liquids in petrochemical industry and, recently, carbon dioxide (CO2) in Carbon Capture and Sequestration…

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Enabling extreme testing conditions in a safe way

Pressure-containing equipment such as pipelines, risers, valves, fittings and pressure vessels are often subject to complex loading conditions during their service life. Extreme testing conditions are required to accurately reproduce…

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Fatigue testing of large-scale welded structures made efficient

The shift to deeper waters and larger wind turbine generators requires optimised jacket foundations. Through a better understanding and accelerated testing of a large number of manual and automatic welded…

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Sour corrosion testing at your service

An increasing number of wells contain considerable amounts of hydrogen sulphide H2S. This requires the use of sour resistant steel, to avoid phenomena such as hydrogen-induced cracking (HIC) and sulphide-stress…

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MaDurOS – a private public partnership for material durability breakthroughs in challenging operational conditions

The offshore environment puts severe durability requirements on materials. One of its main inherent characteristics is that material is often exposed to several environmental conditions simultaneously: corrosive environment, fatigue loading,…

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Helping customers reach their design & engineering goals

OCAS has a long standing track record in conducting co-engineering projects with customers in a wide variety of market segments, including agricultural machinery, transportation, heating ventilation and air conditioning, and…

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Filling the gap

A request for technical support from an offshore gas pipeline customer highlighted the importance of the effect of filler wire selection on weld metal toughness. This triggered OCAS to set…

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MSC has held a successful second structural integrity seminar

In the afternoon of May 18th the partners of the Metal Structures Centre organised their second seminar on structural integrity of metal structures. Over 60 people joined to listen to…

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OCAS’s unique fatigue testing technique drives new Carbon Trust programme

The Carbon Trust’s Offshore Wind Accelerator announced a new project, Improved Fatigue Life of Welded Jacket Connections (JaCo), to cut the cost of offshore wind by optimising the design of…

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Bending can be fatiguing

The use of high-strength steel in structural components is becoming more and more attractive. For weight-saving reasons, typical applications include telescopic cranes, tippers, trucks and trailers. However, in spite of…

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Raising our hydrogen research to the next level

Since 2005, OCAS has been building up hydrogen research competence systematically in order to serve the needs related to modern technological developments, i.e. hydrogen as an energy vector, the industrialisation…

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Is a crack the end of life?

Many structures and components are used longer than their design life, or operate in conditions different from what was originally expected. As consequence, defects like cracks can be present and…

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Towards highest energy efficiency

Ever more stringent European Union regulations are driving the market trend towards higher efficiency electrical machines. As a result, our electrical steel customers are being compelled to make more than…

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Providing technical solutions to the energy market

OCAS is a solution provider in the energy market. Our services include technical support, failure investigation, research & development, finite element modelling, and materials testing. Results are obtained in such…

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Understand hydrogen interactions

Significant efforts are being made to design steel grades that can be used to safely generate, store and transport hydrogen. However, to develop new materials with the necessary resistance to…

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