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Increased Reliability andIncreased Reliability and Reduced Risk
Applying FTIS™ Intelligent Pigging Technology to Inspect Certain Process Heaters Containing Plugged Headers
Process Heater Risk Management SolutionsProcess Heater Risk Management Solutions
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FTIS™ Design AdvancementsFTIS™ Design Advancements
Prototype
Generations- I, II, III,IV, V
* Development: 1998 -
Generation - VI* Development: 2007 -
2008* Investment: $1.5M USD* 48 - 96 Ultrasonic Sensors* +100% inspection
coverage* 3” to 12” Pipe
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Prototype* Development: 1995* Investment: $1.5M USD* 8 Ultrasonic Sensors* 4” to 8” Pipe* 1 mile maximum
2007* Investment: $4M USD* 16 - 32 Ultrasonic Sensors* 4” to 8” Pipe* 1 mile maximum* More robust design* Increased data analysis
algorithms* 2D & 3D Modeling* LifeQuest Remaining Life
capabilities
* 3 to 12 Pipe* 25 mile maximum* Additional robust design
features* Increased data analysis
algorithms* Additional positioning
technology
Heater ConfigurationHeater Configuration
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2
3
4
1
2
3
4
Flow Meter
Block Valves (Launcher & Receiver)
¾” Female fitting (for pig locator)
Pressure Indication (supply and return)
Flow Meter
Block Valves (Launcher & Receiver)
¾” Female fitting (for pig locator)
Pressure Indication (supply and return)
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4 4
Choker Valve (on return)
4 4
Choker Valve (on return)
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2
5
2
3
3
1
2
5
2
3
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UOP UOP PlatformingPlatforming™ Heater / CCR (Arbor Design)™ Heater / CCR (Arbor Design)
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ApplicationsApplications
Furnaces Piping / Tubing (~500 Heater Coils Inspected Each Year!)
Numerous Furnace Types (Platformers (CCR), Vacuum, Coker, Crude, Can, Cabin, etc.)
Various Coil Configurations (Vertical, Horizontal, U-Shape, etc.)
Changing Diameter Coils (4” 5” 6” 8”) Changing Diameter Coils (4 5 6 8 )
Non-pigable furnaces in some cases (i.e. Common Headers) (Common Header Delivery Systems*)
Pipelines Underground / Buried / Road Crossings Insulated (i.e. Asbestos) Overhead (i.e. Congested Pipe
Racks)
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Racks) In Plant / Between Plants /
Wharf Lines*Common Header Delivery System only available Common Header Delivery System only available
in Europe at this timein Europe at this time
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FTIS™ / LOTIS® Detectable Failure MechanismsFTIS™ / LOTIS® Detectable Failure Mechanisms
Pipe/Tube Wall Loss
Corrosion (Int. or Ext.)
Erosion (Int. or Ext.)
Pitting (Int or Ext )Pitting (Int. or Ext.)
Mechanical Damage (Int. or Ext.)
Deformation
Bulging (i.e. Flame Impingement)
Swelling (i.e. Creep Strain)
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Strain)DentingOvality
Naphtha HydrotreaterNaphtha Hydrotreater
Decoking Quality Control / Quality AssuranceDecoking Quality Control / Quality Assurance
Cut Out Pipe Section w/ Coke
Coke
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Convection Pipe Studded / Finned PipeConvection Pipe Studded / Finned Pipe
Internal
3D View 2D View
New Pipe
Corrosion
Sample Convection Pipe
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New Pipe
Corrosion (Convection Section)Corrosion (Convection Section)
Corrosion Damage
NEW Pipe
The The Weakest Weakest Link In the Link In the System CanSystem Can
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System Can System Can Cost Your Cost Your Plant!Plant!
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Corrosion (Convection Section)Corrosion (Convection Section)
Corrosion Damage
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Various Tube Wall Thickness Various Tube Wall Thickness (Radiant Section)(Radiant Section)
Oval Shaped
Thickness Variation Patterns
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Plugged HeadersPlugged Headers
• Also known as mule ear returnsC t fitti t d t• Cast fittings mounted at the ends of serpentine piping coils
• Original intent was to allow access to the interior of the heater in the event of a coke
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the event of a coke blockage
FTIS™ - Previous Generations
• Previous generations of FTIS could not navigate the rectangular shapedthe rectangular-shaped configuration
• Global demand for this navigational capability still exists
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Plugged Header Inserts
Shoe-horn style inserts
d ffround-off the hard internal angles
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FTIS™ - New Generation
The new generation 4” FTIS™ has successfully navigated plugged headers with inserts of this type in 6” diameter heater
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diameter heater coils.
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Case Study #1
CRUDE HEATER – Radiant Section• Number of Coils / Passes = 5• Radiant Pipe Material = A335-P9 (6” x Sch-40)
G l ll hi i d b i l i / i• General wall thinning caused by internal erosion/corrosion was detected throughout.
• Piping has been in service since 1994.• Several return bends in the radiant section contained plugged
headers with show-horn style inserts.• Most significant wall thinning in radiant section (31% loss) was
approximately 2x that in convection section
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• Refinery personnel indicated radiant section coils were not previously navigable by intelligent pig technology.
• Refinery personnel indicated that without the FTIS™ inspection data, the wall thinning in the radiant section would have remained undetected.
Case Study #1 –Corrosion Damage in Radiant Section
Wall Thinning Damage Caused
by Erosion/Corrosion
DDamage
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Case Study #1 –Corrosion Damage in Radiant Section
Wall Thinning Damage Caused
by Erosion/Corrosion
DDamage
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Case Study #1 -Corrosion Damage in Radiant Section
Wall Thinning Damage Caused
by Erosion/Corrosion
DDamage
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THANK YOU!PLEASE ASK ANY QUESTIONS THAT YOU MAY HAVE
AT THIS TIME
Copies of presentation can be provided upon request.
C t t Ti Hill t T Hill@Q tR li bilit
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Contact: Tim Hill at [email protected]