In this article we present some numerical techniques to increase efficiency and applicability of a flow-based upscaling procedure used to solve single and multi-phase flows in naturally fractured reservoirs. These geological formations may be characterized by hundreds up to hundreds of thousands of fractures, ranging from small to medium scales, spreading all over the reservoir. In these scenar...

Fractures are ubiquitous in the subsurface and strongly affect flow and deformation. The physical shape of the fractures, they are long and thin objects, puts strong limitations on how the effect of this dynamics can be incorporated into standard reservoir simulation tools. This paper reports the development of an open-source software framework, termed PorePy, which is aimed at simulation of fl...

Abstract Naturally, fractured reservoirs play a considerable part in the study, production, and development of hydrocarbon fields because most Zagros Basin are naturally fractured. Production from those is usually affected by presence system connected fractures. In this Tabnak field on fold–thrust belt at zone Persian plate has been analyzed facies models, folding mechanism analysis to identify...

Silicic calderas form during explosive volcanic eruptions when magma withdrawal triggers collapse along bounding faults. The nature of specific interactions between magmatism and tectonism in caldera-forming systems is, however, unclear. Regional stress patterns may control the location and geometry of magma reservoirs, which in turn may control the spatial and temporal development of faults. H...

At present, with the continuous increase in development of ultra-low permeability reservoirs, fractures are prone to closure during initial fracturing operation, which will affect fracture conductivity a certain extent, and oil well production shows gradual decline trend, water content target is gradually increased. Therefore, order ensure better recovery rate depth reservoir, it necessary use ...

A general form of the double porosity model of single phase flow in a naturally fractured reservoir is derived from homogenization theory. The microscopic model consists of the usual equations describing Darcy flow in a reservoir, except that the porosity and permeability coefficients are highly discontinuous. Over the matrix domain, the coefficients are scaled by a parameter representing the s...

Background The most essential requirements for a geothermal reservoir are sufficient temperature and permeability (e.g. Jung et al. 2002; Paschen et al. 2003; Schulz 2011; Schulz et al. 2009). Whereas the geothermal gradient for a given region is commonly constrained to a sufficient degree, estimates of porosities, fracture systems, permeabilities, and therefore the achievable convective heat f...

This paper presents the results of a study with the main aim of investigating the effect of considering the pressure sensitivity of the natural fractures of a fissured formation on the transient pressure analysis of well tests. Two motivations for this study were as follows. First, many (or most in some cases) of the producing reservoirs (geothermal and petroleum) are naturally fractured, showi...

core flooding experiments were conducted with the objective of evaluating near miscible surfactant alternating co2 injection and the effect of surfactant concentrations on gas-oil and water displacements in porous media. the core samples were provided from a low permeability mixed wet oil reservoir at 156 °f and 1900 psia. in addition, very few studies of surfactant adsorption on carbonate mine...