Life of field emission forecast development and reduction option screening for a multi-train LNG hub
Louise Whitelaw A * , Holly Patrizi A and Sally Hillam AA
Louise Whitelaw, Team Lead Process Engineering, NWS Developments, Woodside Energy Ltd. Louise has over 30 years of experience in the Oil and Gas industry with a broad background covering both conceptual and detailed design in the upstream and LNG industry after graduating with a Bachelor of Chemical and Process Engineering from Heriot-Watt University. Since joining Woodside Energy in 2006, Louise has had multiple roles as a process engineering team lead and technical specialist. In her current role in North West Shelf Developments, she is responsible for a portfolio of front-end opportunities for both onshore and offshore facilities including Other Resource Owner (ORO) processing, production/infrastructure optimisation and emissions reduction. |
Holly Patrizi, Process Engineer, NWS Integration, Browse, Woodside Energy Ltd. Holly is a process engineer and has been working for Woodside Energy for 7 years after graduating with a Bachelor of Chemical and Environmental Engineering from the University of Queensland. With primary experience in front end conceptual assessments for Other Resource Owner (ORO) processing through existing infrastructure, Holly is currently supporting development of the Browse Decarbonisation Strategy, determining emissions profiles, infrastructure optimisation, and cost forecasts to achieve decarbonisation targets. |
Sally Hillam, Graduate Process Engineer, NWS Developments, Woodside Energy Ltd. Sally is a process engineer and joined the Woodside Energy graduate program 2 years ago. These years have been spent in North West Shelf Developments. Her role has involved process simulation modelling of the Karratha Gas Plant, primarily in feasibility studies for Other Resource Owner gas. She has also supported updating the assets emission reduction plan, forecasting emissions for different scenarios and assessing the economic impact of a proposed strategy. |
Abstract
The Karratha Gas Plant (KGP) is a complex integrated facility which produces liquified natural gas (LNG), domestic gas (Domgas), condensate, propane and butane products. The multi-train facility has been operating for 40 years with several phases of expansion resulting in a range of gas turbine technology and energy efficiency levels across the facility. The challenge for the next phase of KGP operation is to manage declining North West Shelf (NWS) feed gas levels, and the addition of Other Resource Owners feed gas while reducing emissions and maintaining energy efficiency. A flexible emissions forecasting tool has been developed which allows unit and whole of facility emissions reduction and energy efficiency options to be assessed. The tool builds on current quarterly timestep production forecasts and models ambient temperature, unit turndown and turn-off strategies, and potential implementation of lower emissions technology. The ability to generate and compare life of field emissions profiles for extrapolated operating modes and proposed modifications allows unit strategies and phasing of emissions reduction modifications to be investigated and screened before further economic assessment and creation of marginal abatement cost curves (MACC).
Keywords: CCS, energy efficiency, decarbonisation strategy, emissions reduction optimisation, GHG marginal abatement cost curves, greenhouse gas emissions forecasting, liquefied natural gas processing, solar power.
Louise Whitelaw, Team Lead Process Engineering, NWS Developments, Woodside Energy Ltd. Louise has over 30 years of experience in the Oil and Gas industry with a broad background covering both conceptual and detailed design in the upstream and LNG industry after graduating with a Bachelor of Chemical and Process Engineering from Heriot-Watt University. Since joining Woodside Energy in 2006, Louise has had multiple roles as a process engineering team lead and technical specialist. In her current role in North West Shelf Developments, she is responsible for a portfolio of front-end opportunities for both onshore and offshore facilities including Other Resource Owner (ORO) processing, production/infrastructure optimisation and emissions reduction. |
Holly Patrizi, Process Engineer, NWS Integration, Browse, Woodside Energy Ltd. Holly is a process engineer and has been working for Woodside Energy for 7 years after graduating with a Bachelor of Chemical and Environmental Engineering from the University of Queensland. With primary experience in front end conceptual assessments for Other Resource Owner (ORO) processing through existing infrastructure, Holly is currently supporting development of the Browse Decarbonisation Strategy, determining emissions profiles, infrastructure optimisation, and cost forecasts to achieve decarbonisation targets. |
Sally Hillam, Graduate Process Engineer, NWS Developments, Woodside Energy Ltd. Sally is a process engineer and joined the Woodside Energy graduate program 2 years ago. These years have been spent in North West Shelf Developments. Her role has involved process simulation modelling of the Karratha Gas Plant, primarily in feasibility studies for Other Resource Owner gas. She has also supported updating the assets emission reduction plan, forecasting emissions for different scenarios and assessing the economic impact of a proposed strategy. |
