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Successful Revamp of “Cold Finger” to Drizo™ at Ekofisk


Revamp Project Scope
• Revamp of an existing “Cold Finger” to boost the glycol purity from 99.4% wt up to 99.95% wt (targeted water dew point -35°C)
• 13 T/h of glycol treating 735 MMSCFD of gas at 51 barg, 22°C
• Ekofisk platform 2/4 J, Offshore Norway, ConocoPhillips


Drizo™ Process Principle

Glycol solvent stripping (instead of conventional gas stripping) allows:

  • Higher glycol purities (up to 99.995 + % wt)
  • Reduced BTEX/CO2 emissions


Drizo™ Revamp: Process Flow

Main Conclusions

  • 36 weeks delivery from process engineering to ex-works
  • 2 weeks installation with no production downtime.
  • Higher than guaranteed performance (glycol purity 99.98% wt)
  • Pay out time < 1 month

modular construction

Modular construction solved strong installation constraints

Quick Contact Successful Revamp of “Cold Finger” to Drizo™ at Ekofisk