Safety and reliability of offshore structures are key components of Arifian Agusta Irman’s PhD study where the goal is to come up with a new method for reducing the operational costs and the overall risks of maintenance of offshore structures.
The challenging times in the oil and gas industry in recent years have meant a drop in oil prices and an increased focus on costs and maintenance. For the aging offshore structures in the Danish North Sea, reducing costs and risks to prolong the lifetime of the existing structures are essential.
However, many uncertainties such as wave loads and structural responses come into play when modelling offshore structures. This makes identifying and quantifying the uncertainties affecting the offshore structures in the Danish part of the North Sea key elements in Arifian Agusta Irman’s PhD that focuses on safety and reliability of offshore structures.
“Quantifying these uncertainties are the first major challenge. The second challenge is quantifying the value of any inspections or monitoring procedures and then decide which procedures is the best to reduce the costs without compromising safety,“ says Arifian Agusta Irman.
Arifian Agusta Irman is a PhD student at DTU department of Civil Engineering where he studies ‘Risk-based Inspection and Value of Information for offshore structures’ with the Danish Hydrocarbon Research and Technology Centre (DHRTC). He has a background as a research in Offshore Structures Reliability and Design at the University of Pertamina.
Read more about Arifian’s research here.