The North West Shelf Venture Project (NWSP) produces LNG, domestic gas, condensate and LPG's for supply to a variety of customers in the Asia Pacific region. The integrated nature of the Project provides a key competitive advantage through being able to optimise the complete supply chain from reservoir to sales. Gas and liquids are produced and processed offshore with final treatment onshore to meet the required product specifications. The challenge faced by the Venturers that own the NWSP is to optimise the current and future development of the North West Shelf assets to maximise value for venture owners and all its stakeholders e.g. Government. The reservoir portfolio is becoming increasingly complex and includes fields which have been in gas recycle mode to maximise liquid recovery, and fields that will in the near term and long term require compression to increase deliverability and access low pressure reserves and undeveloped oil & gas fields that represent opportunities to accelerate liquid production. To facilitate Project wide optimization, Woodside Energy Limited, the operator, has developed a hybrid linear programming optimisation tool, DIME, (Data Integrated Management Environment) to generate long term production and cost forecasts. This paper outlines the far reaching impact of the development and use of DIME within the supply development division of the North West Shelf Venture, NWSV. To fully realize the strategic benefits of the tool the business processes, individual roles, skills and organisational structure of the supply development division have evolved with the DIME technology. A dedicated optimisation group facilitates the forecasting process & system optimization interfacing with key stakeholders from technical experts to the product marketing groups. Introduction The North West Shelf Venture is Australia's largest resource development owned equally by six joint venture partners; Woodside Energy Ltd. (operator); BHP Billiton Petroleum (North West Shelf) Pty Ltd; BP Developments Australia Pty Ltd; ChevronTexaco Australia Pty Ltd; Japan Australia LNG (MIMI) Pty Ltd; and Shell Development (Australia) Pty. Ltd. As operator of the NWSV, Woodside Energy Ltd., manages a complex business, supplying natural gas to domestic customers in Western Australia, exporting LNG to Japan, Korea and in future China. The onshore processing plant in Karratha, WA, is supplied with gas and condensate from the North Rankin Alpha and Goodwyn Alpha offshore installations via two trunklines. A substantial proportion of the NWSV value is derived from the production of associated liquids, condensate and LPG's, which are sold to a variety of customers in the Asia Pacific region. The primary supply challenge is to optimise the assets currently in production and the future development portfolio to maximise value for the venture owners. A development strategy to fulfill gas demand and accelerate hydrocarbon liquid production, where economically viable, has historically and still is being pursued. The fully integrated structure of the Venture, from offshore supply to customer delivery, is a key value driver and enabler for optimisation. To facilitate venture wide optimisation Woodside has developed an ‘end to end’ optimisation tool, DIME, to generate long term forecasts for the venture. DIME optimises system production to fulfill contracted and predicted future gas demand and maximise production of condensate and LPG's using hybrid linear programming optimisation techniques. It is an example of the strategic application of information technology as it is shaping the way that the business competes now and in the future (Feeny et al). The output from DIME underpins all future venture development and investment decisions e.g. value from LNG sales deals derived from scenarios modelled using DIME.
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