The displacement of more viscous fluids by less in porous media provides not only an industrial application for enhanced oil recovery (EOR) from reservoirs, but also a fundamental study the phase transition phenomena fluids, combining fluid mechanics and thermodynamics. Recent studies have shown that coupling thermodynamic hydrodynamic instabilities results formation self-driven active signific...

the biqian-10 block, located in henan oilfield of sinopic, contains many thin and interbedded reservoirs, which have been operated by cyclic steam stimulation for 20 years or more. therefore, it is a challenge to implement the conventional steam flooding. in order to improve the recovery of steam flooding, urea was used to assist steam flooding. urea can decompose into co2 and nh3, which are be...

Energy policies in the US and EU during last decades have been focused on enhanced oil gas recovery, including so-called tertiary extraction or recovery (EOR), one hand, development implementation of renewable energy vectors, other, biofuels as bioethanol (mainly Brazil) biodiesel EU) [...]

Efforts to mitigate the effects of climate change have led research and industry groups to explore ways of applying existing technologies and practices to the challenge of reducing CO2 emissions. The storage of CO2 in underground geologic reservoirs is one such idea that employs techniques developed for oil and gas production and transmission. For example, CO2 has been injected into petroleum r...

The presence of microorganisms could alter the porous medium permeability, which is vital for several applications, including aquifer storage and recovery (ASR), enhanced oil (EOR) underground hydrogen storage.

Abstract Hydrocarbons continue to play an important role in providing affordable energy meet rising demand. Amidst growing concerns on the environmental impact of oil and gas production processes, many researchers are increasingly exploring environmentally sustainable methods extracting hydrocarbons from reservoir. The introduction direct current into pore space activates mechanisms that enhanc...

Molecular Dynamics Simulation of Spontaneous Imbibition in Nanopores and Recovery of Asphaltenic Crude Oils Using Surfactants for EOR Applications — We present Molecular Dynamics (MD) simulations of the imbibition process in nanopores in case of two different mechanisms of the wettability modification. We compare the imbibition of an aqueous surfactant solution into an oil-wet pore driven by su...

Enhanced oil recovery (EOR) from shale formations is recognized as the next frontier in exploitation of unconventional resources. Current approaches for performing EOR experiments using fractured rocks can generate misleading results cores cannot be saturated with live oils. In this work, a novel laboratory methodology developed to quantify efficiency gas huff-n-puff under realistic reservoir c...

Microbial enhanced oil recovery (MEOR) is an economical method used to improve the oil recovery from reservoirs. In the MEOR techniques, by applying different microorganisms, a variety of products such as bioacid, biogas, biosurfactant, and biopolymer are generated, among which biosurfactant, one of the important metabolites, is produced by bacteria. It is worthy to note that bacteria are suita...