A comprehensive review on enhanced oil recovery by water alternating gas (WAG) injection

S Afzali, N Rezaei, S Zendehboudi - Fuel, 2018 - Elsevier
Abstract Water-Alternating-Gas (WAG) injection is a relatively mature oil recovery technique
in hydrocarbon reservoirs that has long attracted the interest of the oil and gas industry due …

Innovative Zoning Control Techniques for Optimizing a Megaton-Scale CCUS-EOR Project with Large-Pore-Volume CO2 Flooding

Y Zhao, X Wen, Y Liu, K Du, Z Peng, C Qian, T Hu… - Energy & …, 2024 - ACS Publications
After water flooding development in ultralow permeability reservoirs, connected water
channels formed under high injection pressure will reduce the effectiveness of oil recovery …

An efficient methodology for multi-objective optimization of water alternating CO2 EOR process

NA Menad, Z Noureddine - Journal of the Taiwan Institute of Chemical …, 2019 - Elsevier
Abstract Water Alternating CO 2 injection (WAG CO 2) is one of the most promising EOR
techniques for further recovery improvement. A successful implementation of this method …

Mathematical modeling and simulation of water-alternating-gas (WAG) process by incorporating capillary pressure and hysteresis effects

S Afzali, A Ghamartale, N Rezaei, S Zendehboudi - Fuel, 2020 - Elsevier
Mathematical modeling and simulation of three-phase flow in porous media involves
complexities related to the three-phase relative permeability, capillary pressure, and …

Multi-objective optimization of water-alternating flue gas process using machine learning and nature-inspired algorithms in a real geological field

A Naghizadeh, S Jafari, S Norouzi-Apourvari… - Energy, 2024 - Elsevier
Flue gas water-alternating gas (flue gas-WAG) is a promising technique for enhancing oil
production and reducing greenhouse gas emissions. The effective utilization of this …

Multi-Scale Optimization of Three-Million-Ton-Class CCUS Project in the Largest Oilfield in China: Zone Control Technology of Large PV CO2 Flooding

X Wen, Y Zhao, Z Zhang, Z Peng, Y Liu… - SPE Improved Oil …, 2024 - onepetro.org
Abstract Large-PV (> 1 PV) CO2 flooding is a technology that significantly improves oil
recovery for ultra-low-permeability reservoirs. However, connected water-flooded channels …

Experimental and Modeling Study of CO2 EOR and CO2 Storage in Heavy Oil Reservoirs

W Wang, H Liu, X Dong, Z Chen, F Yang, Y Li… - SPE Annual Technical …, 2022 - onepetro.org
This study focuses on unveiling the interaction between injected CO2 and heavy oil through
adequate phase behavior analyses. Moreover, the potential of CO2 EOR and CO2 storage …

Immiscible WAG injection: A core-Scale investigation of operational parameters impacts

TD Quach - 2020 - research.library.mun.ca
Water Alternating Gas (WAG) injection, commonly used in light to medium crude oil
reservoirs, is a well-established technique for enhanced oil recovery combining the effects of …