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CP Effect and Service Life Assessment for Offshore Facilities
Introduction

CP Effect and Service Life Assessment for Offshore Facilities 
Using the method of CP numerical simulation, this technology can comprehensively assess the effectivity, optimize the design and extend the service life for CP systems on offshore facilities, including offshore platforms and subsea pipelines. The cost can be reduced and efficiency increased. Plans for future tests and updates can also be provided.

 

Advantages
  • Software
    The Self-developed CP numerical simulation software CPSOD
    The internationally recognized BEASY CP software

 

  • Offshore Environment Simulation Experiment Platform
    Jacket Simulation Experiment Platform
    Subsea Manifold Simulation Experiment Platform

 

 

Services
  • Jacket CP Assessment and Life Extending Design
    General ROV subsea potential test system or CPMS can only evaluate the CP effect of the monitored areas, yet due to the limitation of test zone, the CP effect of other areas on the jacket remains unknown, and thus potential risks exist. By obtaining the potential and current density distribution on the surface of the protected metal structure via numerical simulation, this technology can evaluate the CP effect of the entire structure, predict the remaining life of sacrifice anode, and offer optimizing solutions for CP under-protected areas using sacrifice anodes or impressed current cathodes. The simulation results have been tested in many application cases.
  • Subsea Pipeline CP Optimizing Design
    Through numerical simulation, this technology optimizes sizes of sacrifice anodes and spaces of anode setup, predicts anode life, thus to achieve reasonable design.
  • Subsea Production System CP
    Based on the subsea protection regulations for different materials and experimental researches on their polarization behavior, assisted with numerical simulation, this technology evaluates the CP effect and predicts anode life for different CP plans. It can solve the problems brought by the complicated structures of subsea production systems (abnormal structures, dissimilar metal joints, etc.) in both design and maintenance stages.
  • Caisson Interior CP Effect Assessment
    Traditional design cannot ensure the CP effect and anode life for large complicated structures like caissons. And the protection potential is hard to test after the system starts to run. Using numerical simulation, anode setup can be optimized, CP effect can be evaluated, and anode service life can be assessed in the design stage, thus to optimize management and maintenance scheme as well.
  • Two/three Phase Separator Interior CP Optimizing Design
    Traditional CP system design methods are usually effective for simple structures, but for relatively complicated tank structures (abnormality, coating differences, oil-water contact changes, etc.), especially those with high media corrosivity, small effective CP potential sectors, and in airtight spaces, optimization for assistant anode and potential test locations are particularly important. Through numerical simulation, the best CP design can be selected for such tanks and a whole set of CP solution can be offered for the stages of design, construction, testing, maintenance, data analysis and disorder handling. A complete corrosion control management system can be built up for the entire tank life span.
Technical Team

o    3 Professors/Associate Professors, 4 Doctors, and several Masters and Bachelors, experienced in CP and AC/DC interference testing, assessment, design and research;

o    NACE CP Certificate holders, including 3 CP4s, 2 CP3s, 2 CP2s;

o    Offshore certificates and experience

 

Contact
CP Computing and Research Center          TEL：010-82885770/5753-608/614nbsp;          E-mail：cpcrc@ankosri.com
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