High pressure mercury, nitrogen adsorption, nano-CT, and scanning electron microscope with energy spectrum analysis were conducted on core shale samples for studying the characteristics of Taiyuan formation in the eastern uplift of Liaohe depression. The research results show that the shale gas reservoir pores are mainly open pores such as the wedge-shape pores and parallel-plate pores. By a ge...

During diagenesis, the transformation of unconsolidated sediments into a sandstone is usually accompanied by compaction, water expulsion, cementation and dissolution, which fundamentally control extent, connectivity complexity pore structure in sandstone. As intimately related to fluid flow porous media, it great importance characterize hydrocarbon-bearing comprehensive way. Although convention...

The Gibbs Thomson effect modifies the pressure and temperature at which clathrates occur, hence altering the depth at which they occur in the sea-bed. NMR measurements as a function of temperature are being conducted for water/ice/hydrate systems in a range of pore geometries, including templated SBA-15 silicas, controlled pore glasses and sol-gel silicas. Rotator-phase plastic ice is shown to ...

Network models that represent the void space of a rock by a lattice of pores connected by throats can predict relative permeability once the pore geometry and wettability are known. Micro-computerized-tomography scanning provides a three-dimensional image of the pore space. However, these images cannot be directly input into network models. In this paper a modified maximal ball algorithm, exten...

Recent advances in cellular materials for active thermal management applications involve the integral design of their porous structure. In this work, open-cell aluminum foams with porosities range 0.60–0.76 are developed, containing pores spherical geometry and a bimodal pore size distribution. The fabrication strategy involves use replication method by infiltration liquid preforms formed packi...

Modeling and computing transport in the subsurface is a difficult problem that requires good understanding of the relations among different processes at various different length and time scales, and their effective properties. Already at the pore scale, ranging from a few micrometers to millimeters, direct flow simulation in a detailed medium geometry assuming Stokes flow is extremely costly. N...

Several methodologies published in the literature can be used to construct realistic pore networks for simple rocks, whereas in complex pore geometry formations, as formed in tight reservoirs, such a construction still remains a challenge. A basic understanding of pore structure and topology is essential to overcome the challenges associated with the pore scale modeling of tight porous media. A...

Digital modeling of the microstructure is important for studying physical and transport properties porous media. Multiscale media can accurately characterize large-pores fine-pores in a large-FoV (field view) high-resolution three-dimensional pore structure model. This paper proposes multiscale reconstruction algorithm based on multiple dictionaries learning, which edge patterns fine-pore from ...