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The concept development phase of an engineering project offers the opportunity to maximise value using limited funds. Our expertise includes small, medium size and large developments.
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Atteris is accustomed to the Detailed Design phase requirements for complex projects.
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Flow assurance is one of the earliest and most crucial activities to be undertaken in any subsea project.
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Dynamic Systems
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Subsea Pipelines
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Pipeline Shore Crossings
Shore crossings often represent challenging sections in pipeline, umbilical and cable routes.
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Onshore Pipelines
Atteris combines practical expertise with sound engineering process to identify and mitigate risks associated with pipeline problem areas.
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Since 2015 Atteris has been supporting production engineers monitor and maintain the integrity, availability and reliability of producing subsea and pipeline assets.
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Atteris delivers clear, accurate and concise integrity management strategy and performance standard documents to our clients.
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Life Extension
Reduce total cost of ownership by enabling assets to continue operating beyond its original design life.
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Decommissioning is the final stage in the asset lifecycle.
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AIMS Software
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CONNECT
Atteris’ in-house software CONNECT has been designed to save you time and money.
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CORUS 3D
Atteris’ extensive project expertise has provided unique opportunities to develop advanced engineering models for the assessment of flowline, umbilical and cable on-bottom stability.
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Data Visualisation
Through automation of analysis tools it is now common to have large quantities of data to be reviewed and assessed.
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HDD Automation
Through many years of experience in HDD Atteris has developed several in-house tools to allow for rapid evaluation of design concepts.
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Route Selection – Pluto LNG Project

TBA

Route Selection – Pluto LNG Project

Benefits

The final pipeline route, which was developed in collaboration between engineers from Woodside Energy and Atteris, resulted in the most cost-effective solution, with manageable levels of risk and limited environmental impact.

Background

The operator of the Pluto Project, Woodside Energy Ltd, selected the route for the 36 inch and 4-inch diameter gas export trunkline system which feeds the Pluto LNG plant in Karratha, Western Australia. Atteris was commissioned by Woodside to assist with the route selection through the particularly challenging nearshore area called Mermaid Sound.

Work Performed by Atteris

In close collaboration with engineering staff from Woodside Energy, Atteris optimised the pipeline route, and developed engineering solutions for the many challenging areas, which included:

Rough seabeds with exposed limestone rock formations
Erodible calcareous seabed silts and sands, including “glay soils”
Two existing large diameter high-pressure gas trunklines
Several major shipping channels, of which one needed to be crossed
A dredged material dumping ground
A shoreline comprising igneous hard rock
SIMOPS including the construction of a new LNG offloading jetty and a new shipping channel.

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