... thin spreading films. Oil spreads to saturations near zero owing to competing interfacial tensions at contact points between three phases (oil, water, and gas). Experimental studies with micromodels and pore scale imaging support oil flow through films, where the rate of recovery and film drainage...

... or oil, a set of drainage and imbibition experiments was performed. NMR measurements were conducted before and after each saturation-desaturation step. After cleaning, pore size distribution was determined for four cores using MICP and nitrogen adsorption tests. Finally, resistivity was measured for five...

... to completion. The same products were further tested in new procedure using higher drive pressures in order to answer this question. Simplified Forced Drainage Test Overview Rigorous methods to test flowback aids/surfactants beyond surface and interfacial tension measurements generally involve non...

... Pore Morphological Simulation Abstract A direct quasi-static pore-scale modeling approach is implemented in a simulation package to reconstruct interfacial areas and predict two-phase fluid occupancy profiles during drainage and imbibition at low capillary number equilibria. The proposed pixel...

... that are not in hydrostatic equilibrium or that have suffered deviations from primary drainage over geological time requires appropriate challenges to standard assumptions in order to optimize the field's full potential. Such circumstances are more frequent than usually acknowledged since the Earth is not static, structures...

... Abstract Acid mine drainage (AMD), the largest source of stream pollution in the state of Pennsylvania, has the potential to be utilized as a make-up fluid for hydraulic fracturing in the Marcellus shale. Abandoned coal mines across the state are responsible for discharging AMD into nearby...

... Upstream Oil & Gas drainage log saturation water level imbibition rock type hydrocarbon saturation hydrocarbon saturation height model FWL saturation primary drainage original free water level transition society of petroleum engineers free water level capillary pressure curve...

... and nuclear magnetic resonance (NMR) to determine these parameters for several Bakken cores. First, we measured helium porosity and Klinkenberg permeability of clean and dry Middle Bakken core plugs. After saturating these core plugs with brine, we performed drainage measurements using a high-speed centrifuge...

... Abstract This project’s focus is to evaluate an Acid Mine Drainage (AMD) treatment technology for the purpose of providing treated mine drainage as an alternative source of water for hydraulic fracturing operations. The liquid-liquid extraction based technology allows the conversion...

.... drainage simulation model petrophysical property water saturation pore size distribution Wettability Variation rock type wettability model wettability variation vertical scal region threshold pressure ultimate oil recovery Upstream Oil & Gas variation recovery carbonate reservoir Oil...

..., as a starting point for relative permeability calculations. The Bentheimer relative permeability curves for both drainage and imbibtion are found to be in good agreement with experimental data. These LB simulations can be used for the prediction of multi-phase flow properties in pore space images; as potential...

... unsteady tertiary gas flood is necessary to study macroscopic oil displacement rate under micro scale events including double drainage, coalescence and reconnection, bulk flow and film drainage. We conduct several unsteady state three-phase gravity drainage experiments with different initial conditions...

... is to describe the fluid saturations and distribution at different steps of the capillary pressure cycle (drainage and imbibition) while maintaining the sample under pressure in the cell to avoid fluid re-distribution. Experiments have been performed on a monomodal sandstone where the total porosity is resolved...

..., as well as wetting layers in the crevices of the pore space. It can be used as a unified model for drainage, imbibition and steady-state displacement. We use the model to study viscous effects on electrical resistivity for two-phase flow under strongly water-wet conditions. The pore network is extracted...

... engineering equations for relative permeability. This is accomplished with cores by determining end point specific permeabilities, end point non-wetting phase trapping capacity, critical gas saturation, and a small but sufficient number of effective gas permeabilities to define both drainage and imbibition k...

... enhanced recovery size distribution imbibition experiment upstream oil & gas subsurface storage porosity fluid dynamics surface area drainage bedding plane Introduction The Otway Project, an undertaking of the Australian Cooperative Research Centre for Greenhouse Gas Technologies...

... Abstract Proper modeling of the multiphase flow of supercritical CO 2 in deep saline aquifers for CO 2 sequestration (both cycles of drainage during injection and imbibition during CO 2 migration) is critical in being able to understand and predict both the short and long term fate...

... Abstract This work concerns with experimentally and analytically investigation of free gravity drainage process in porous media under the influence of ultrasonic wave radiation. Glass beads ranges from 70 to 100 mesh sizes were packed and used in the tests. The working fluids consist...

... analyzed through cycles of drainage and imbibition using samples with different wetting characteristics but similar pore structures. Furthermore, the population of individual immiscible fluid structures (blobs') is also evaluated. The specific non-wetting phase surface areas of both porous media are found...

..., it provides a single, generalized, geometric basis for computing pore-filling events during drainage as well as imbibition. This generality is essential for modeling displacements in fractionally wet media. Pore filling occurs when an interface becomes unstable in a pore throat (analogous to Haines condition...