[HTML][HTML] Modified salinity waterflooding in chalk reservoirs: A journey from rock and fluid interfaces to field scale applications

S Hosseinzadehsadati, M Bonto, R Mokhtari… - Fuel, 2024 - Elsevier
The positive effect of modified salinity water (MSW) injection on oil recovery has been
broadly reported in the literature through core flooding experiment tests. Yet, the challenges …

On the benefits of desulfated seawater flooding in mature hydrocarbon fields

A Mahmoodi, SB Hosseinzadehsadati… - Science of the Total …, 2023 - Elsevier
Removal of sulfate from the injection seawater (desulfation) in hydrocarbon reservoirs is a
Modified Salinity Water (MSW) flooding method that mitigates microbial reservoir souring …

[HTML][HTML] The critical role of fracture flow on two-phase matrix–fracture transfer mechanisms

M Farhadzadeh, HM Nick - Advances in Water Resources, 2023 - Elsevier
We analyze the dynamics of imbibition in a fractured medium using the Direct Numerical
Simulation of the Navier–Stokes equations. Pore geometries with homogeneous and …

Pore-Scale Modeling of Heterogeneous Carbonate Rock Subjected to Modified Salinity Waterflooding

M Farhadzadeh, M Bonto, HM Nick - Energy & Fuels, 2024 - ACS Publications
We developed a pore-scale reactive multicomponent two-phase flow and transport
numerical model to study the pore-level dynamics of water injection in carbonate rocks. The …

Investigating the role of [PF6]− and [BF4]− based ionic liquids for enhanced oil recovery in carbonate reservoirs: Experimental and molecular simulation insights

S Sakthivel, S Abdel-Azeim, B AlSaif… - Journal of Molecular …, 2023 - Elsevier
In chemical enhanced oil recovery (cEOR), various chemicals such as surfactants,
nanofluids, polymers, and co-solvents are used. These chemicals modify molecular …

Water-soluble chitosan polymer for enhanced oil recovery in the carbonate reservoir

S Sakthivel, IIB Sharfan, MA Abdulhamid - International Journal of …, 2024 - Elsevier
Numerous surfactants, nanoparticles and polymers have been developed and utilized for
enhanced oil recovery applications, irrespective of their environmental impact. Most of these …

Influence of halide anions on the performance of imidazolium ionic liquids for enhanced oil recovery from carbonate formations: Experimental and molecular …

S Sakthivel, S Abdel-Azeim, VC Nair - Journal of Molecular Liquids, 2025 - Elsevier
Chemical enhanced oil recovery (cEOR) strategies often involves the use of various
chemicals, including surfactants, nanofluids, polymers, alkalis, and co-solvents, to improve …

A New Method for Calculating the Influx Index in Gas-Drive Reservoirs: A Case Study of the Kela-2 Gas Field

D Han, T Jiang, W Xiong, S Gao, H Liu, L Ye, W Zhu… - Energies, 2024 - mdpi.com
The calculation of the influx index is one of the most contentious issues in dynamic reserve
evaluation of gas reservoirs' development. For the influx index, it is key to obtain information …

Permeability shifts in chalk core during produced water reinjection

M Kurbasov, KL Feilberg - Geoenergy Science and Engineering, 2025 - Elsevier
Chalk reservoirs, due to their high porosity and very low permeability, represent one of the
most interesting cases for engineering studies of carbonates. They exhibit complex fluid-rock …

Investigating Rock Material Impact on Low Salinity Water Flooding: Experimental Study with Chalk Samples of a Danish North Sea Oil Reservoir

R Mokhtari, A Afrough, A Talaei… - SPE Europec featured at …, 2024 - onepetro.org
The low salinity water-flooding technique, an enhanced oil recovery (EOR) method, alters
the initial crude oil/brine/rock (COBR) equilibrium, enhancing oil mobilization and potentially …