1. ICORR Technologies, Inc.
2016 NACE
SIEO - Sun Valley
January 7, 2016
What is Cathodic Protection?

2. Anode Systems Design and Construction
Deep Anode System
Distributed Anode System
Advantages and Disadvantages
Design Considerations
Material Selection
Site Considerations
Installation Practices
Environmental Considerations

3. Deep Well Anode System
Single or multiple vertical bore holes – 200’ to 500’
Multiple anodes spaced in bottom of bore hole
Venting System
Conductive backfill
Anode Junction Box
External Power source – (Impressed Current)

4. Deep Well Anode System

5. Distributed Anode System (Surface Bed)
Several Shallow Vertical or Horizontal Holes
Individual Anodes
Conductive Backfill
Anode Header Cable or Anode Junction Box
External Power Source or Galvanic

6. Distributed Anode System (Surface Bed)

7. Distributed Anode System (Surface Bed)

8. Distributed Anode System (Surface Bed)

9. Distributed Anode System (Surface Bed)

10. Distributed Anode System (Surface Bed)

11. Distributed Anode System (Surface Bed)

12. Advantages Of a Deep Anode System
The Anodic Potential Gradient Is Lower In the Near-Surface Soils
Smaller Land Surface Area Requirement
Lower Soils Resistivity
Fewer Systems Required

13. Disadvantages Of a Deep Anode System
Design Information
Installation Equipment Needs
Cost Of Installation ??

14. Advantages Of a Distributed Anode System
Design Information
Ease Of Installation
Works Well In Areas Of Electrical Shielding
Cost Of Installation ??

15. Disadvantages Of a Distributed Anode System
The Anodic Potential Gradient Is Higher In the Near-Surface Soils
Larger Land Surface Area Requirement
Equipment Exposure To Damage
More Systems Required
(Galvanic) Limited CP Current Available
(Galvanic) Polarized Potentials Difficult To Obtain

16. Design Current Required To Protect The Structure Geology & Hydrology
Surface Testing

17. Material Selection
Anode Selection
Backfill
Wire
Venting System

18. Site Considerations Availability Of AC Power Foreign Structures
Accessibility
Property Owner or ROW Agreement

19. Installation Practices
Safety
Drilling Operations
Electrical Log
Placing Anodes
Pumping Or Placement Of Backfill
Surface Completion
Commissioning

20. Environmental Considerations
Surface Water Runoff
Subsurface Aquifer
Materials Contamination

21. Deep Well Cathodic System

22. Deep Well Cathodic System

23. Deep Well Cathodic System

24. Continuous Horizontal Anode

25. Continuous Horizontal Anode

26. Galvanic Anode Installation

27. Typical Wire Connection to Pipe

28. Impressed Current Anodes

29. Corrosion Pit

30. ICORR Technologies, Inc.
Questions?
What is Cathodic Protection?