Abstract: Systems, computer-readable media, and methods are described for performing a reservoir simulation by obtaining reservoir data, obtaining simulation parameters, determining partial differential equations based on the simulation parameters, and performing a timestep of the reservoir simulation based on the reservoir data and the partial differential equations by removing an effect of long coherent structures with high contrasts, such as fractures, faults, high and low permeability channels, or shale layers, from the partial differential equations to generate adapted partial differential equations, and performing an algebraic multiscale method on the adapted partial differential equations to generate an approximated solution. The approximated solution can be used in a subsequent timestep of the reservoir simulation.

Abstract: Systems, computer-readable media, and methods are described for performing a reservoir simulation by obtaining reservoir data, obtaining simulation parameters, determining partial differential equations based on the simulation parameters, and performing a timestep of the reservoir simulation based on the reservoir data and the partial differential equations by removing an effect of long coherent structures with high contrasts, such as fractures, faults, high and low permeability channels, or shale layers, from the partial differential equations to generate adapted partial differential equations, and performing an algebraic multiscale method on the adapted partial differential equations to generate an approximated solution. The approximated solution can be used in a subsequent timestep of the reservoir simulation.

Abstract: Methods and apparatus for investigating and predicting slug flow in complex pipes are disclosed. More particularly, the techniques provide a model of multiphase flow in a complex pipeline and its solution acquired using the Jacobian-Free Newton-Krylov (JFNK) method by way of non-limiting example. The fully implicit formulation framework described in this work enables to efficiently solve governing fluid flow equations. The framework can reduce the multiphase flow model in zones or cells of the pipe that exhibit phase disappearance based on the phase state distributions over the cells. The model of multiphase flow can include a model for single-phase cells that is different from a model for multiphase cells, and the proper model can be selected (or switched) as the phase characteristics of the multiphase flow of the cells change over time. A transient two-fluid model can be used to verify and validate the proposed algorithm for conditions of terrain-induced slug flow regime.

Abstract: In one embodiment, a technique is provided for manipulating an object of a multidimensional (e.g., 2-D, 3-D, etc.) model within a modeling environment using a special placement dashboard. The placement dashboard operates as both as a control interface for manipulating the object in multidimensional space, and as a measurement interface for displaying measurements related to the manipulated object. While serving this dual role, the placement dashboard may selectively limit displayed interface elements, and limit manipulations that may be performed on the manipulated object based on the type of the manipulated object itself, and based on its interaction with one or more other objects of the multidimensional model.

Abstract: Computing systems, methods, and computer-readable media for modeling behavior of at least one fluid in a reservoir are disclosed. More particularly, the techniques provide consistent and robust numerical formulations for solutions to linear system of equations arising from the linearization of coupled nonlinear hyperbolic/parabolic (elliptic) partial differential equations (PDEs) of fluid flow in heterogeneous anisotropic porous media.

Abstract: A method of modeling a nonlinear hysteresis response of reservoir media involves obtaining measurements of core samples from the reservoir to generate a multitude of bounding curves representing primary drainage and primary imbibition characteristics of a reservoir, generating, using a processor, a plurality of constitutive equations based on the multitude of bounding curves and a multitude of material functions, the multitude of material functions determined based on material properties associated with the reservoir, generating, using the processor, an output in a form of capillary-pressure scanning curves based on the multitude of constitutive equations, the capillary-pressure scanning curves representing drainage and imbibition behaviors of the reservoir during an oilfield operation, and storing the output.

Abstract: A method of modeling a nonlinear hysteresis response of reservoir media involves obtaining measurements of core samples from the reservoir to generate a multitude of bounding curves representing primary drainage and primary imbibition characteristics of a reservoir, generating, using a processor, a plurality of constitutive equations based on the multitude of bounding curves and a multitude of material functions, the multitude of material functions determined based on material properties associated with the reservoir, generating, using the processor, an output in a form of capillary-pressure scanning curves based on the multitude of constitutive equations, the capillary-pressure scanning curves representing drainage and imbibition behaviors of the reservoir during an oilfield operation, and storing the output.