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Structural integrity of high strength submarine pipelines in deep water environment


School of Engineering

About the Project

The need to reduce the amount of greenhouse gases in the atmosphere has led to increased activities in CO2 capture and subsequent storage in depleted reservoirs or use for enhanced oil recovery. This application requires the transportation of CO2 in pipelines to the final destination. The properties of CO2 require different pipeline design parameters compared to those for natural gas pipelines as CO2 can reach very low temperature when expanded.

The grade of material currently used for many deep water oil and gas field development is the same as that originally developed for much shallower waters, resulting in large wall thickness and increased material and installation costs. Therefore, it makes economic sense to use higher steel grade for pipelines in deep waters and for CO2 transportation; this will allow thinner pipeline wall and makes it cheaper to install. The cost savings that this will bring is very important in the present economic climate in the oil and gas industry. Higher grade steels have been successfully used onshore, however there is no application in subsea operations due to lack of understanding of their structural integrity and performance in offshore environment. The aim of this research is to study the fatigue performance of a high strength steel linepipe and to develop design charts for assessing the ability of these pipes to sustain typical installation and operational loads, and also the suitability of the material for CO2 transportation.

Candidates should have (or expect to achieve) a UK honours degree at 2.1 or above (or equivalent) in Mechanical Engineering; Materials Science/Engineering, or Metallurgy.

Knowledge of: Fracture Mechanics and Experimental mechanics

APPLICATION PROCEDURE:

• Apply for Degree of Doctor of Philosophy in Engineering
• State name of the lead supervisor as the Name of Proposed Supervisor
• State ‘Self-funded’ as Intended Source of Funding
• State the exact project title on the application form

When applying please ensure all required documents are attached:

• All degree certificates and transcripts (Undergraduate AND Postgraduate MSc-officially translated into English where necessary)
• Detailed CV

Informal inquiries can be made to Professor A Akisanya (), with a copy of your curriculum vitae and cover letter. All general enquiries should be directed to the Postgraduate Research School ()

Funding Notes

This project is advertised in relation to the research areas of the discipline of Mechanical Engineering and Materials Engineering/Science The successful applicant will be expected to provide the funding for Tuition fees, living expenses and maintenance. Details of the cost of study can be found by visiting View Website. THERE IS NO FUNDING ATTACHED TO THIS PROJECT


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