A microfluidics study of surfactant flooding at optimum and under-optimum conditions

This paper investigates surfactant flooding using a microfluidic device. Its purpose is to validate the results obtained in recent core experiments reported by Janssen et al. (2019) and provide mechanistic interpretation. In these experiments authors injected a surfactant slug into sandstone cores, initially brought to residual oil saturation....

Applications of unstructured multi-level grid to thermal-reactive flow and transport in porous media

A coupled description of flow and thermal-reactive transport is spanning a wide range of scales in space and time. Subsurface reservoir heterogeneity with complex multi-scale features increases the complexity further. The spatial resolution required during a simulation is dependent on the type and degree of geological heterogeneity, but also on...

Geothermal Aquifer Architecture Model of Alblasserdam Member in Drechtsteden, the Netherlands

The decrease in the production of hydrocarbons in combination with a growing urgency to reduce carbon emissions drives a rapid study and application of geothermal energy in the Netherlands. The produced heat from the low enthalpy geothermal energy can be used for heating up the buildings and greenhouses. A doublet system is used in the...

A Local Time-Stepping Method for Multiphase Flow in Porous Media

Simulation of multiphase flow in natural subsurface formations include selection of time-step size, i.e., the discrete snapshots (steps) over which the time-dependent nonlinear process is investigated. The simulation results would naturally depend on the size of the discrete time step, according to the order of accuracy of the implemented...

Non-equilibrium upscaling of compositional transport

Reservoir simulation is a broadly used tool in the oil and gas production industry. It can be used for production history matching, performance forecasting and field development. A common Enhanced Oil Recovery (EOR) method is the injection of miscible gases. With the injection of gas into an oil reservoir, the system has to be considered as...

The effect of surfactant type, velocity and permeability on CO2 foam under miscible conditions

Miscible gas injection has been widely used worldwide to improve oil recovery. However, problems such as viscous fingering and gravity override undermine its success on a large scale. Foaming of the injected gas mitigates these problems by reducing the mobility of the gas.<br/><br/>Past studies using an ionic surfactant to foam CO2 in the...