Objective
To realize the industrial prototype called Advanced Inspection Management System - AIMS. Its operational objectives are to :
- Manage the entire information related to Inspection Repair and Maintenance (IRM) Strategy for jackets, pipelines and risers systems;
- Generate and maintain an updated Long Term Inspection Program according to an optimized cost proposed by the AIMS software;
- Guarantee an acceptable safety level related to operator's inspection policies, national regulations and certifying authorities;
- Assist the IRM decision-maker regarding financial, legal, technological and labour issues;
- Store the IRM knowledge, capitalize the known-how of any operator in the IRM domain.
The project will provide an industrial prototype leading to a standard and an integrated software together with its documentation for commercial purpose.
The AIMS prototype is completed. It has two packages : one relative to the inspection of the structure called IRM-IS and the other is relative to the inspection of the pipelines called IRM-IS/Pipelines. Both computer systems run on A PC Windows environment. These two packages demonstrate the benefits associated with an integrated data management: retrieval system, historical analysis and safe life prediction package. The end-user has the possibility to interactively ask the database, to define his long term program, and to generate its annual campaign. A risk-based inspection module is available to allow the identification of high risk structural components and to rank them in order of inspection importance. The results of this prototype are now available.
1) INNOVATIVE TECHNOLOGY
AIMS is a computer based for managing IRM (Inspection Repair and Maintenance) of offshore fixed platforms, pipelines and risers during their lifetime. Its main objective is to optimize IRM related costs while ensuring an acceptable safety level. AIMS will be implemented and demonstrated extensively in a real North Sea fields environment consisting of two large jackets platforms, pipelines and risers and concrete platform. Innovatory aspect is to monitor "online" the safety levels and manage the IRM works, thanks to implementation of the recent improvements in the reliability models, probabilistic IRM strategy and inspection technology.
2) THE CONTEXT IN WHICH THE TECHNOLOGY IS OPERATING
At present, there is no operational methodology and software able to :
a) Provide online the safety status of the structure,
b) Provide online diagnosis of defects,
c) Generate and update interactively Inspection Scheduling and Detailed Inspection Scopes, while managing interactively defect diagnosis, operator decisions, operator strategy, safety requirements, design data and full inspection data histories;
d) Issue detailed Inspection call of tenders for inspection works.
AIMS is potentially coping with all these features in a consistent and integrated way. But it would not be of value if it did not allow the implementation of any new development related to inspection performance and safety assessment, leading to its validation and to improve the quality of the inspection database, in an iterative manner.
3) ECONOMIC ASPECTS OF THE TECHNOLOGY
AIMS is expected to demonstrate that reliability based inspection scheduling techniques lead to improve the safety and to optimize IRM costs. The reliability techniques and probabilistic strategies are issued from recent R&D programmes, and need still to be tested and validated through practical application by industry. They rely on use of high quality data about environmental actions, structural resistance defect description, inspection performance, etc. The actual available databases are not reliable enough. Therefore the results of application of these new techniques are not yet guaranteed with regard to accurancy in the determination of practical safety levels, given the actual quality of input data. This problem should be overcome thanks to the most recent research programmes leading to high quality data bases. Finally the return of investment is not justified, from the industry point of view, and the investment is too large to be totally financed by the promoters.
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Programme(s)
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
92077 Paris La Defense Cedex
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.