Xodus delivers model simulation suite for Origin’s Australia Pacific LNG

Xodus Group has delivered a new integrated production model simulation suite for Origin Energy to run complex scheduling scenarios for the Australia Pacific LNG project, officials announced on Thursday.

Simulation experts in Xodus’ Perth operation carried out detailed models of both the compression facilities and the high pressure pipeline network.

The work provides Origin, the upstream operator of Australia Pacific LNG, with the power to run detailed and fully automated operating scenarios through an intuitive user interface to accurately simulate the gas delivery network to maximize operating efficiency and manage delivery risks.

The team used AspenTech’s HYSYS steady-state linked with Microsoft Excel software to simulate several aspects of the project demonstrating novel simulation capabilities.

A further scope of work involved the use of HYSYS dynamics to produce a hi-fidelity mimic of Origin’s centrifugal compressor control system to fully verify its design prior to installation. The value of both contracts was approximately AUD$300,000.

“Xodus has a long history of building digital oilfield solutions for global clients; however the Australia Pacific LNG project required a forensic, in-depth knowledge of the inner workings of the simulation software in order to produce a bespoke solution," said Andy Jones, general manager of Xodus in Australia.

"We used specialist programming techniques to achieve a complex model unlike anything that has been produced before," he added. "It allows Origin to run very detailed operating case scenarios to optimize operating conditions, balancing project critical factors such as power usage versus line pack availability.”

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