Cathodic protection principles:
- Reasons for cathodic protection
- Reasons why metals corrode
- Factors that affect corrosion rate of underground and marine
- structures
- How cathodic protection works
- Calculating current requirements
Design criteria for Cathodic protection systems:
- Operations and applications of galvanic anode systems
- Calculating galvanic anode driving potential
- Calculating circuit resistances of galvanic anode systems
- Operation and applications of impressed current systems
- Selecting impressed current anode bed sites
- Calculating maximum driving voltages for dc power sources
- Calculating circuit resistances of impressed current systems
Designing cathodic protection systems
- Designing cathodic protection systems for buried pipelines
- Designing cathodic protection systems for onshore well casings
- Designing cathodic protection systems for vessel and tank interiors
- Designing cathodic protection systems for in-plant facilities
- Designing cathodic protection systems for marine structures
Monitoring cathodic protection systems:
- Locating buried pipelines
- Measuring structure-to-electrolyte potential
- Measuring cathodic protection current
- Performing a well casing survey inspecting the condition and
- operation of a cathodic protection rectifier
Maintaining cathodic protection systems
- Ensuring adequate protection of buried pipelines
- Ensuring adequate protection of onshore well casings
- Ensuring adequate protection of vessel and tank interiors
- Ensuring adequate protection of in-plant facilities
- Ensuring adequate protection of marine structures
Special operating problems
- Recommending corrective actions to reduce the effects of interference
- Recommending corrective actions to reduce the effects of electrical shielding
- Recommending corrective actions to reduce the effects of coating defects
- Locating a short circuit in a cased crossing