Supercritical Carbon Dioxide Flushing

Innovative method to clean umbillicals, control -and chemical injection lines

The Supercritical CO2 flushing system (SCCO2) fits perfect for control lines and umbilical’s, because of the low-pressure drop over long distances, which can exceed 20 km, with a small inner diameter lower than ¼”. This means that turbulent flow can be maintained all the way thru, and a cleanness of AS4059 Class 3 / ISO 4407 12/9 has made proof of concept in testing. However, it can also be fitted to other appliances.

Conventional flushing is a well-known method to clean to the inside of systems, and a turbulent flushing flow is mandatory for cleaning effectively. A challenge, when using conventional flushing fluid in systems like umbilicals and control lines, is the ability to keep a turbulent flow all the way through.

Complies with the following directives:

  • EC directive 2006/42/EC (Machinery directive)
  • EC directive 2014/34/EU (ATEX directive)
  • EC directive 2014/68/EU (PED directive)
  • EC directive 2014/30/EU (EMC directive)
  • NORSOK E-001
  • NORSOK I-001
  • NORSOK Z-015

Pro/con

Higher cleanliness & greater operational reliability of the system
Method friendly to the environment
Simple, flexible and easy-to-operate equipment
Operation can happen pre-installation on-shore, or as maintanence on exsisting systems on/offshore
Require 10 bar air supply and 63 A powerplug

Specification

Areas of Application Fluid/gas transferring systems which require a high standard of cleanliness to avoid downtime.
Capabilities Flush systems to NAS 3 || Maintain turbulent flow for several kilometers even in small ID systems.
Certifications / licences System is DNV approved and ATEX Zone 1 & 2.
Relative business impact
CO2 footprint reduction:
2/10
Cost reduction:
2/10
Production:
3/10
Safety improvement:
3/10
Technology Maturity Level
Development Technology demonstration Mature / Proven

About Ocean Team Scandinavia A/S

Ocean Team Scandinavia has through more than 25 years specialized in condition monitoring and cleaning of technical fluid carrying systems. For years, we have developed customized purification methods, especially intended for use in hydraulic, lube oil and process systems in the energy sector, heavy industries, and maritime industries.

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