The problem Our client was planning on developing several marginal elds in the Dutch sector of the North Sea. The elds were expected to produce for approximately 5 years. Due to the relatively short life of the elds, the cost of construction and installation (CAPEX), the cost of operation (OPEX) and the decommissioning cost become critical to the feasibility of the elds. We were asked to look at dierent options for tie-in of the new elds to the existing pipeline system, with an emphasis on the cost dierential between subsea template completions and dry trees on a minimum facility platform (MFP), as well as a discussion of the pros and cons of each option. The solution We created a tool to quickly assess the full lifecycle cost of dierent tie back options, including single tie-back

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