Abstract: A method, apparatus, and program product generate a flow control device design for well completions in one or more wells of an oilfield in part by equipping a reservoir simulation model with multiple flow control device proxies represented by one or more generalized expressions for pressure drop including multiple tunable parameters associated with various physical flow control devices. Multiple reservoir simulations are then run using the reservoir simulation model to optimize an objective function based on at least a subset of the tunable parameters such that an optimal set of values determined from the optimization may be used to select flow control device types for the well completions.

Abstract: An example method for performing reservoir engineering includes generating a geological model of a reservoir including a geological horizon, obtaining an offset relative to the geological horizon, and positioning a wellbore equipment item in a well completion design based on the offset. The method further includes calculating an absolute position of the wellbore equipment item in the well completion design based on the offset and a location of the geological horizon in the geological model and updating the geological model to generate an updated location of the geological horizon. The method further includes updating the absolute position of the wellbore equipment item in the well completion design based on the offset and the updated location of the geological horizon and simulating a simulation case including the geological model and the well completion design after updating the absolute position of the wellbore equipment item.

Abstract: An example system includes interconnected modeling modules that share knowledge to create a unified earth model dynamically representing a subsurface site. The system models and may simulate subsurface operations associated with, for example: hydrocarbon production and stimulation, natural gas storage, carbon capture and storage, aquifer maintenance, geothermal energy production, and in-situ leachable ore processing. The system integrates a reporting module, and also an economic module to evaluate cost versus benefit of each subsurface operation. A related example method for performing subsurface engineering includes generating a model of a subsurface site including a geological horizon, obtaining an offset relative to the geological horizon, and locating an operation based on the offset. When field data update the model in real time, positions of 3D objects and 3D surfaces are dynamically updated in the model, including the positions of the modeled operations.

Abstract: An example system includes interconnected modeling modules that share knowledge to create a unified earth model dynamically representing a subsurface site. The system models and may simulate subsurface operations associated with, for example: hydrocarbon production and stimulation, natural gas storage, carbon capture and storage, aquifer maintenance, geothermal energy production, and in-situ leachable ore processing. The system integrates a reporting module, and also an economic module to evaluate cost versus benefit of each subsurface operation. A related example method for performing subsurface engineering includes generating a model of a subsurface site including a geological horizon, obtaining an offset relative to the geological horizon, and locating an operation based on the offset. When field data update the model in real time, positions of 3D objects and 3D surfaces are dynamically updated in the model, including the positions of the modeled operations.

Abstract: Implementations of well placement in a volume are described. Some techniques described herein involve ascertaining a skeleton of a volume within a reservoir, and using the skeleton to map out a well topology to retrieve resources, such as hydrocarbons, from the volume. In one possible implementation, the skeleton can be found by generating a repulsive field throughout an interior of the volume, with the field decreasing with distance from the boundary of the volume. Interior points where a magnitude of the force drops to within a preset value are called critical points. The skeleton can be found by following outward flow from the volume from critical point to critical point.

Abstract: An example method for performing reservoir engineering includes generating a geological model of a reservoir including a geological horizon, obtaining an offset relative to the geological horizon, and positioning a wellbore equipment item in a well completion design based on the offset. The method further includes calculating an absolute position of the wellbore equipment item in the well completion design based on the offset and a location of the geological horizon in the geological model and updating the geological model to generate an updated location of the geological horizon. The method further includes updating the absolute position of the wellbore equipment item in the well completion design based on the offset and the updated location of the geological horizon and simulating a simulation case including the geological model and the well completion design after updating the absolute position of the wellbore equipment item.