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Storage, Loading and Marine Adaptations for PNG LNG Recovery Benjamin Douglas PNG Technical Advisor ExxonMobil Papua New Guinea Ltd

Storage, Loading and Marine Adaptations for PNG LNG Recovery · Storage, Loading and Marine Adaptations for PNG LNG Recovery Benjamin Douglas PNG Technical Advisor ExxonMobil Papua

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Storage, Loading and Marine

Adaptations for PNG LNG Recovery

Benjamin Douglas

PNG Technical Advisor

ExxonMobil Papua New Guinea Ltd

Outline

• Background

• Fuel Gas & LNG Optimization

• LNG Weathering Model

• LNG Rollover Model

• Ship Vaporizer Utilization

• Conclusion

Background

Fuel Gas & LNG Optimization

Fuel Gas & LNG Optimization

LNG Weathering Model

LNG Weathering Model

LNG Rollover Model

Boil-off Gas

Light Layer

Heavy Layer

Heat

leak

LNG Rollover Model

LNG stratified into two

distinct layers

Light Layer

Heavy Layer

LNG Ship Vaporizer Utilization

Conclusion

Imported LNG, planned

and executed in 4 weeks

Recycled LNG using the

ship’s vaporizer

Developed weathering

and rollover model

Optimized fuel gas and

LNG usage

Final Thoughts