Enhanced oil recovery by alkaline-surfactant-alternated-gas/CO2 flooding

R Phukan, SB Gogoi, P Tiwari - Journal of Petroleum Exploration and …, 2019 - Springer
The volumetric sweep efficiencies of CO 2 flooding for enhanced oil recovery (EOR) are
generally low due to problems of viscous fingering and gravity override. This paper attempts …

[HTML][HTML] Sodium alginate polymer as a kinetic inhibitor of methane hydrate formation

BLLD Silva, IL Ferraz, DF do Nascimento… - Journal of Materials …, 2021 - Elsevier
Gas hydrates are ice-like compounds that can affect the flow assurance in oil and gas
pipelines due to their structural characteristics. Alginate is a polysaccharide naturally …

[HTML][HTML] A comprehensive analysis of formation conditions, intrinsic properties, and mechanical responses of gas hydrate-bearing sediments

H Zhang, H Bian, S Qi, J Wang - Rock Mechanics Bulletin, 2024 - Elsevier
Natural gas hydrates (NGH) stored in submarine deposits are a promising energy resource,
Yet, the deterioration in sediment strength can trigger geological disasters due to drilling …

[HTML][HTML] Phase equilibrium of double-guest clathrates of methane and CO2, ethane, or propane as measured by high-pressure microcalorimetry

MD Robustillo, DÉS de Menezes… - Journal of Molecular …, 2023 - Elsevier
The world's increasing energy demand has led to considering methane hydrates as a
promising alternative energy source to oil, gas, and coal. Due to the growing concerns about …

Generation of methane gas hydrate equilibrium curve for the thermodynamic gas hydrate inhibitor propylene glycol

B Deka, A Barifcani, A Al Helal, D Badi, V Mahto… - Journal of Petroleum …, 2021 - Elsevier
Use of thermodynamic hydrate inhibitors (THIs) for prevention of gas hydrate formation in the
oil and gas field operations is a well-known and accepted process all over the world …

Toward a robust, universal predictor of gas hydrate equilibria by means of a deep learning regression

MKB Landgrebe, D Nkazi - ACS omega, 2019 - ACS Publications
Due to offshore reservoirs being developed in ever deeper and colder waters, gas hydrates
are increasingly becoming a significant factor when considering the profitability of a …

Predicting Gas Hydrate Equilibria in Multicomponent Systems with a Machine Learning Approach

Q Nasir, WS Abdul Majeed… - Chemical Engineering & …, 2023 - Wiley Online Library
Natural gas production and transportation can be threatened by gas hydrate plugging,
especially in offshore environments with low temperatures and high pressures. This can …

Phase equilibrium for methane, ethane and carbon dioxide hydrates at pressures up to 100 MPa through high-pressure microcalorimetry: Experimental data, analysis …

DÉS de Menezes, P de Alcântara Pessôa Filho… - Fluid Phase …, 2020 - Elsevier
New experimental dissociation data for CH 4, C 2 H 6, and CO 2 hydrates obtained by high-
pressure microcalorimetry (HP-μDSC) up to 100 MPa are presented. Deviations of onset …

Phase equilibria data and thermodynamic analysis for liquid–hydrate–vapor (LHV) with high ethanol concentrations

IA de Oliveira, AG Barreto Jr, FW Tavares… - Journal of Chemical & …, 2019 - ACS Publications
Significant portions of the oil reserves in Brazil are located in deep or ultradeep waters. Oil
production from these reservoirs implies a constant awareness of gas hydrate formation. The …

Thermodynamic modeling and correlations of CH4, C2H6, CO2, H2S, and N2 hydrates with cage occupancies

SH Khan, A Kumari, G Dixit, CB Majumder… - Journal of Petroleum …, 2020 - Springer
The present work focuses on developing a framework for accurate prediction of
thermodynamic conditions for single-component hydrates, namely CH 4, CO 2, N 2, H 2 S …