Download - Foster Wheeler FCC Project Example Package
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Combining FCC Technology Upgrade with Asset Optimisation – Key Steps to Profitability
Mike Whitling – Manager Asset Operations and ConsultancyJohn Payne – Chief Static Equipment Engineer
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Technology Upgrades / Asset Optimisation
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• Refinery margins continue to be extremely tight – investor close?
• European assets are particularly vunerable (age andconfigurations)
• FCC turnaround and revamp is a regular and majoractivity for most refineries
– From multi-million dollar to multi-billion dollar investments
• Integrating FCC upgrade with holistic asset optimisation(both process and O&M best practices) provides a veryreal opportunity to achieve profitability
• John and myself will present a combination of theoryand case study based examples
Key Steps to Profitability
The way to go . . .
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Expanding Horizons – Delivering Long Term Value to Client Investments
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TechnicalExpertise
ProjectDelivery
Expertise
O&MBest
Practice
WorldLeading
Technology
Foster Wheeler seeks to workwith clients and partners todeliver long term value toclient investments
Foster Wheeler is focused onmaximising value by combining ourtechnical, O&M and project deliveryexpertise with world leading technology
Foster Wheeler’s Philosophy for Adding Value
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Foster Wheeler Support Jigsaw
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• Foster Wheeler’s primary objective is always to make the Client’sdecision making as simple as possible
• Detailed study is essential to optimise the project and confirm
feasibility on a robust basis ahead of any significant expenditure• A shortlist of technically feasible options should be generated with
economic evaluation of the most promising
• Investment planning should focus on all issues affecting project
cost and development – not just the configuration and technology
• Investment Planning can be optimised across multiple assets andmultiple units, and phased in accordance with financial constraints
Foster Wheeler is a World Leader in Concept Studies
– from multi-million to multi-billion dollar investments
Investment Planning / Concept Studies
…. Bringing real, practical EPC experience to conceptual investment planning
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• Wear and tear means maintenance driven shutdowns will happen
• FCCs are flexible units that readily lend themselves to revamp totake advantage of new developments from any source
• Maximise benefit of maintenance turnarounds by looking for newbusiness opportunities
• Apply project management to the scope definition and development
• Ensure you get the right technology at the right cost
• Make the upgrade pay
Process Technology Improvement
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• Fringe benefits of operations ‘buy-in’ and proactive
commitment to performance improvement: – Improved housekeeping – Competency enhancement – Improved management skills – Above all . . . . pride
The man – Machine Interface
Operational and Reliability Impact
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• High-level assessment – Performance Management System strengths and weaknesses – Strategy to deliver business management improvement:
– Address robustness and value of refinery performance managementsystems, are they fit for today’s purposes, not a legacy from the ‘lasttime’ a major upgrade / revamp took place
• Functional specialist operations groups – Selectively restructure operator workforce – Accountable for specific performance areas
– Create groups within each shift for 24-hour focus
• Performance assurance programme – Separate from day-to-day monitoring tasks – Concentrate on improving operational performance
The Man – Machine Interface
Strategic Plan for Improving Operations
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• Maintenance review – Philosophies and strategies – preventive, condition-based, prioritisation – Procedures – repair or replace? – Turnaround planning
• Maintenance records – Quality of records – Analyse for repeat failures – Persistent failures – root cause analysis
• Equipment
– Criticality – rank based on reliability impact? – Include reliability in risk ranking matrices
– Reliability – impact on efficiency – for example, pump drive efficiencies when
switching pumps on routine basis etc
The Man – Machine Interface
Maintenance and Reliability Improvement
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• Foster Wheeler contracted to carry out a Revamp, Turnaround andInspection project in the Far East.
• The revamp involved major process and technology enhancementsto the RFCC unit
• A key aim of the project was to improve reliability of the RFCC andassociated assets
Case Study 1: RFCC Reliability Assessment
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• FW conducted a review of Client’s RFCC complex operations,maintenance and inspection records. Foster Wheeler assessedreliability and operational problems relating to existing unit designand reviewed any constraints that limit unit run lengths.
• The scope of the study evaluated the overall reliability of the RFCCby addressing each of the aspects of the listed below: – Evaluation of design and actual operations – Comparison with similar plants – Inspection of critical equipment – Conformance to design
Case Study 1: RFCC Reliability Assessment
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• Foster Wheeler established a base line of performance that formedthe basis for revamp and operational improvement studies
• Identified common failures and recommended improvementoptions for Owner’s consideration.
• Approved items were added to the scope and FEED included basic
design data for any changes.
Case Study 1: RFCC Reliability Assessment
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• Then, a year later, Foster Wheeler returned to site to assessprogress relating to RFCC reliability enhancement since the initialvisit. We reviewed:
– Project Management and Control
– Mechanical enhancements within revamp scope
– Mechanical mods outside revamp scope (T&I actions, studies etc)
– Operational issues & reliability awareness
– T/A Planning
– FW & SPRC interfacing
Case Study 1: RFCC Reliability Assessment
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• Owner acknowledged & effectively embraced previous mal-operationincidents, start-up problems & incorrect practices
• Good proactive approaching a reliability driven regime
• Reward – Best in practice operational availability levels of 98%
• Staff are aware of current best practices, they measure & improveperformance (using corporate principles and tools)
• Active involvement in inter-company liaison groups with similar RFCCtechnologies
• Providing specialist manpower at other operator’s RFCC T/As,strengthens experience levels
RFCC Reliability Assessment Summary Observations
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• The need to scrutinise maintenance regimes on equipment whereextended runlengths have been problematical
• Maximise operator training with licensors and vendors
• Operations should consider embracing ‘operations functional groups’ – give responsibility to run, own and implement reliability improvementinitiatives
• Field operators need to be more diligent at ensuring that fieldinstrumentation that tracks reliability monitoring are maintained and
accurate• Owner held a 3 day Reliability workshop – commendable activity
RFCC Reliability Assessment Summary Observations
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John Payne
Chief Static Equipment Engineer
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• Safety• Operational reliability• Minimum turnaround time and risk to schedule• Lowest possible cost
• Take advantages of process improvements
• SO MUST… – Maximise pre-turnaround and post-turnaround activities – Maximise work done offsite – Fit first time – Quality of Installation – Latest proven technology
Key Factors for all Operators
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Planning Execution – E, P & C Logistics
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• Coke build up in reactor• High temperature material degrading• Erosion• Thermal shock
• Shell refractory failure, gas tracking, hot spots, spooling• Operational upset• Cyclone and internals life: 15 to 25 years• Expansion bellows life: 10 to 15 years• Shell refractory life: 5 to 25 years
FCC Turnarounds
What are the Key Drivers?
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• Lost revenue is $1 million to $2 million per day when not operating
• Typical turnaround time is 35 days or fewer
• Run times have grown from 3 to 5/6 years continuous so need toplan earlier and predict operational reliability a lot further ahead
FCC Turnarounds
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Significant Revenue and Margin Implications
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The Project Decision Process for Refinery Upgrades
Project Delivery Excellence: Key Steps in the Study Phase
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Feasible Options
MaintenanceRequirement
Process /Technology
Improvements
Planning TARDurationCost Estimate
Engineering &Construction
Conclusion &Execution Strategy
LicensorSelection
Risk / “What-if” Analysis
Client Needs
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Study and EPC Timeline
Project Delivery Excellence: Timeline to Turnaround
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3 Years
Study Licensor EquipmentProcurement
6 Months 3-6 Months 18 MonthsMin
3 Months
EquipmentDelivery TARPre-TAR
3 Months
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Case Studies – Delivering Highly ComplexFCC Upgrades
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• 12 pairs of cyclones• Cyclones interlinked and
share secondary hangers• Full trial assembly of
cyclonesat fabricator’s works
• Precision survey of hangers• Data used to position
hanger nozzles in head
• Alignment blocks oncross-overs
Case Study 1: Stanlow Head & Cyclones
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• Use of electronic 3Dsolid edge model
• Demonstratesclearances, access andfuture maintenance
• Input into FEA analysis
• Input into EngineeringMethod Statements
Case Study 1: Stanlow Head & Cyclones
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• Cyclone assembly intransport CAN leavingfabricator’s work
• Module weight 265te+15m diameter
• Height restriction oncanal of 12m
Case Study 1: Stanlow Head & Cyclones
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• Floating crane at Antwerp liftshead onto cyclone assembly
• Cyclone hangers then areinstalled
• Special lifting arrangement toequalise loads into the head
• All shell deflections have beenanalysed to avoid any damageto refractory
Case Study 1: Stanlow Head & Cyclones
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• Head module onroute from dock toRefinery
• Motorway closure• Probably the
largest head &cyclone assemblyto be transportedto site as onepiece
• Movement date of24 March 2013set 2 years inadvance
Case Study 1: Stanlow Head & Cyclones
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• Tree pruningcarried out oneyear in advance
Case Study 1: Stanlow Head & Cyclones
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• Head assemblybeing transportthrough refinery
• New site entrancecreated
• Head assemblynow jacked up toclear piping eitherside of road
Case Study 1: Stanlow Head & Cyclones
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Case Study 1: Stanlow Head & Cyclones
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Skid Bridge 35m Long over pipe band allows complete headframe assembly to be moved from off plot location to crane
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Case Study 1: Stanlow Head & Cyclones
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Final lift of new head at 440Te
• Weight ControlCritical throughtoutproject
• Crane within 5% ofcapacity
• All componentsweighed asmanufactured
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Case Study 1: Stanlow Head & Cyclones
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Case Study 2: Regen Head & Cyclones
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Methods Studied and Crane Problems
Regenerator Cyclones End of Life, Replace Cyclones complete with Head is normalExtremely Tight Plot Space and Route RestrictionsCome up with split head framesMain Crane Remained the problem space and undergrounds
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Case Study 2: Regen Head & Cyclones
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Selected Option
Sequence• Install Beams to support cyclones
• Secure cyclones at top• Cut and remove head• Remove cyclones as pairs• Replace in reverse order
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Case Study 3: Reactor Internal Riser & Cyclones ?
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Option at start of study
• Problem Internal Riser Buckled• Normal Head Replacement as
shown would also suggest replacecyclones as towards end of life.
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Case Study 3: Reactor Internal Riser & Cyclones ?
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Option Suggested to Client
Option suggested to Client• Cut Hole in top Head and replace Riser• Only• Delay replacing cyclones till next TA, this
gives time to upgrade technology forimproved Product Slate
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• Early start
• It’s OK to think big
• Overall process and mechanical solution
• Consider whole refinery• At the end of the study, the client has an
independent report that identifies the way forward
• Most overall cost-effective solution
• No surprises• Fit First Time
Conclusions & Execution Strategy
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Best Practice in Delivering Complex Upgrade Projects
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Whatever the challenge, we can help
Foster Wheeler Concept to Completion
Consistent high quality delivered anywhere in the World
Furtherinformation:www.fwc.com
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