Subsea Inspection/Monitoring, Maintenance and Repair Discipline
The IMR department provides engineering services from feed to operational phases in STAT MARINE offices on top of technical consultancy worldwide. This Inspection, Maintenance and Repair engineering performed in-house considers Subsea equipment technology and morphology specificities and is consolidated by a solid site practice such as inspection campaigns, Subsea Production System commissioning and start-up, trouble shooting or subsea repair operations.
STAT MARINE has developped a client-oriented-expertise to help Customers in their decisions making in terms of asset integrity managment strategy and OPEX optimisation process.
competencies are articulated around the following combination of expertise:
- A site experience gained from assistance to offshore inspection works in both classical and deep water environments
- The practical utilisation of risk assessment methodologies (FMECA, Risk-Based Inspection)
- A consolidated knowledge of up to date inspection & monitoring techniques.
These benefits can help customers in the following project phases:
- Inspectability reviews and recommendation for monitoring systems in basic engineering phase (EPCC Contract specifications)
- Monitoring devices Qualification & Testing programme close follow-ups.
- Consolidated surveillance programme (inspection & Monitoring Plan) definition for field-operation-early alarms generation, in particular on critical components.
- Site Subsea anomaly tracking and follow-up with field operators, co-ordination of integrity/reliability site data…
- Classical offshore field inspection optimisation: jackets and pipelines inspection campaigns, call for tenders establishment, 3D interactive reporting forms…).
competencies in this area can be summarised as follows:
- a consolidated site experience gained from assistance to qualification programme (Factory Acceptance, Site Integration, Shallow and Deep Trials)
- the practical utilization of Reliability Availability Maintainability (RAM), Reliability Centred Maintenance (RCM), Life Cycle Cost (LCC) and spare parts optimisation approaches and study results.
STAT MARINE can then offer a relevant and objective global opinion about all families of Subsea equipment during key project phases, in particular :
For modular equipment:
- Maintainability aspects (ROV access & modularity, spare parts recommendations…) during engineering phases.
- Optimisation of local service contracts to maintain availability of supplier stock management and ROV tooling maintenance during field operation phase.
For permanent equipment:
- Close review of supplier’s installation documentation, analysis of repair scenarii during engineering phases.
- Definition of potential engineering studies (design & installation engineering), spare parts /installation aids and associated recommendations based on well defined selection criteria (repair ability, spare part inter-changeability, spare cost [direct & indirect] to repair mean ratio…) for field operation phase.
Emergency Response Systems & Strategies
competence in this area relies on:
- a fine knowledge of Subsea equipment design, associated Subsea interventions and repair methodologies
- a solid site experience gained from daily offshore works supervision on vessels dedicated to Subsea maintenance support.
- a consolidated operational knowledge in both classical and deep water projects
This experience allows STAT MARINE to come along with customers in their decision making process for their asset integrity management and proposes practical solutions to reduce the critical path of field equipment repair:
- Methodical data collection (Subsea systems data, history…) to perform relevant in-service criticality analysis.
- Carry-out failure causes and severity classification (from supplied documentation analysis FMECA, RAM) and issue recommendations for repair scenarii considerations.
- Definition of repair solutions, associated contracting strategies & possible synergies of repair means utilisation based on customers requirements (production availability, local logistic and contract agreement constraints…).
- Carry-out basic and detailed engineering for complete repair package solutions (scope of work, intervention support, cost & schedules, HAZID /HAZOPS definition…).
Quantitative Risk Assessment
competence in this area relies on:
- The use of recognized methodologies developed by DnV
- A good operational feed back about Subsea equipment expected failure modes
This allows STAT MARINE to perform both dedicated semi-quantitative risk evaluations and QRA (Quantitative Risk Assessment) studies focused on scenarios involving Subsea equipment and component failures
STAT MARINE has developed a set of stand alone expert tools (in both VBA Excel stand alone and full web versions) to manage the engineering activities in the IMR discipline:
- Criticality evaluation studies, failure modes catalogues and dynamic risk assessment (inspection programme & priority-based Subsea interventions).
- Installation, Commissioning & Start-up follow-up and anomalies tracking data management support.
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