Proppant Distribution in Discrete Fracture Network Simulation

The patent segments the fracture network into discrete elements and divides the simulation domain into regions based on proppant transport behavior (e.g., proppant-filled regions vs. fluid-only regions). This segmentation allows detailed simulation only where necessary while using simplified models elsewhere, thereby improving accuracy in critical areas without proportionally increasing overall computational resources.

The patent applies partial action by performing detailed proppant-fluid interaction simulations only in specific regions where proppant is present and transport phenomena are critical, rather than throughout the entire fracture network. In regions where proppant effects are negligible, simplified fluid flow models are used, reducing unnecessary computational effort while maintaining sufficient accuracy.

The patent implements local quality by assigning different proppant properties (size, density, shape) to different regions of the fracture network based on local conditions such as stress state, fluid velocity, and fracture geometry. This allows the simulation to capture the nuanced effects of multiple proppant types in different locations without requiring a uniformly complex model throughout the entire system.

The patent employs dynamic adaptation of proppant characteristics during the simulation process, where proppant properties and distributions are updated based on evolving fracture conditions, fluid flow patterns, and stress fields. This dynamic approach enables the simulation to capture time-dependent proppant transport and deposition behavior, improving fracture effectiveness predictions while using efficient algorithms that adapt to changing conditions rather than requiring static complex models.