Simulating operating & production efficiencies for deep water field developments

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Simulating operating & production efficiencies for deep water field developments

Rowe, S.J. / Stritto, F.J. dello / Brending, W.J. / Grittner, S.

Computer simulations of oil & gas field operations are extremely helpful in planning field developments in deep water. They may be used to identify optimum or robust strategies, and to assess trade-offs among alternative scenarios. Through series of simulations, different development scenarios can be compared, and the sensitivity to diverse parameters investigated and quantified. The SLOOP simulator was developed in a Joint Industry Project to model the complete operation of offshore oil and gas facilities, including weather and other sources of downtime, well maintenance & subsea interventions, processing, storage and off-loading. SLOOP (Simulation of Long-Term Offshore Oil & Gas Production) has been applied to a range of deep water production scenarios to assess different concepts, and to quantify sensitivities to a wide range of influences. These include well performance and equipment reliability, weather severity and forecast accuracy, intervention resource availability, and thresholds for various operations. Example results are presented to compare simulated production performance for a number of scenarios, and illustrate the influence of reservoir performance and other uncertainties and options, on the production and operability.