PREPARING YOUR MARINE SOLUTIONS
Diver installing sacrificial anodes on offshore structure

Anode Retrofit & CP Systems Corrosion Protection for Marine Assets

Cathodic Protection Services

Tethys Plantgeria specializes in the design, installation, and maintenance of sacrificial anode systems and impressed current cathodic protection (ICCP) for offshore structures, pipelines, and marine infrastructure. Our corrosion engineering services extend asset lifespan while maintaining regulatory compliance.

Sacrificial Anode Services

  • Anode retrofit design and engineering
  • Underwater anode replacement (diver/ROV)
  • Zinc, aluminum, and magnesium alloy anodes
  • Bracelet anode installation for pipelines

CP Monitoring & Maintenance

  • CP potential surveys (-850mV criterion)
  • Reference electrode calibration
  • Anode consumption rate analysis
  • ICCP system troubleshooting

Technical Specifications

Anode Specifications

Type Alloy Capacity Applications
Zinc ASTM B418 Type II 780 Ah/kg Seawater structures
Aluminum Al-Zn-In 2,680 Ah/kg Pipelines, jackets
Magnesium AZ-63 1,230 Ah/kg Freshwater/brackish

Compliance Standards

  • DNV-RP-B401 (Anode design & installation)
  • NACE SP0169 (CP criteria)
  • ISO 15589-2 (Marine CP)
  • API RP 651 (Aboveground storage tanks)

Project Applications

Jacket platform anode retrofit

Offshore Platforms

Full anode replacement on aging jackets with minimal production downtime

Pipeline bracelet anodes

Subsea Pipelines

Retrofit of bracelet anodes with ROV-assisted installation

FPSO hull CP system

Floating Structures

ICCP system maintenance and reference electrode replacement

Need Corrosion Protection Services?

Our CP specialists can design and implement optimal protection systems for your marine assets.