A method for creating a field development plan, comprising initializing, by a specially programmed computing system, a connectivity model, calibrating, by a specially programmed computing system, the connectivity model based on a plurality of reservoir simulation results, determining, by a specially programmed computing system, a travel time between wells and reservoir cells using a fast marching method, determining, by the specially programmed computing system, a hydrocarbon saturation based on the travel time to construct a model prediction, optimizing, by the specially programmed computing system, the connectivity model using a global optimization and a local optimization, and constructing, by the specially programmed computing system, at least one well file using the optimized connectivity model.