State of the art simulations of enhanced geothermal systems are multi-physics simulations, where different physical properties are often being modeled on different geometries or grids. For example, for the simulation of fluids many prefer finite difference or volume formulations on structured grids, whereas in mechanics finite element formulations on unstructured grids are often preferred. To t...

Rock classification or assigning a type or class to a specific rock sample based on petrophysical characteristics is a fundamental technique to reduce the uncertainty in prediction of reservoir properties due to heterogeneity. One of the popular approaches is to classify a reservoir rock from the fundamentals of geology and the physics of flow at pore network scale. In this approach, rocks of s...

Pores and microfractures provide storage spaces migration pathways for gas accumulation in tight sandstones with low porosity permeability, acting as one of the controlling factors production. The development a rational rock physics model is essential better understanding elastic responses sandstone complex pore structures. Accordingly, seismic characterization pores based on provides valuable ...

Rock is wrapped by paper, paper is cut by scissors and scissors are crushed by rock. This simple game is popular among children and adults to decide on trivial disputes that have no obvious winner, but cyclic dominance is also at the heart of predator-prey interactions, the mating strategy of side-blotched lizards, the overgrowth of marine sessile organisms and competition in microbial populati...

By examining wireline data from Woodford and Wolfcamp gas shale, we find that the primary controls on elastic-wave velocity are total porosity, kerogen content, mineralogy. At a fixed both V p s strongly depend clay as well content. Both velocities also strong functions of sum above two components. Even better discrimination elastic properties at porosity is attained if use solid matrix (includ...