Role of chemical additives and their rheological properties in enhanced oil recovery

J Machale, SK Majumder, P Ghosh… - Reviews in Chemical …, 2020 - degruyter.com
A significant amount of oil (ie 60–70%) remains trapped in reservoirs after the conventional
primary and secondary methods of oil recovery. Enhanced oil recovery (EOR) methods are …

Results of Alkaline-Surfactant-Polymer Flooding Pilot at West Salym Field

Y Volokitin, M Shuster, V Karpan, I Koltsov… - SPE EOR conference …, 2018 - onepetro.org
Abstract The West Salym oil field is located in the West Siberian oil province (Russia). Its
reservoir conditions are typical for the region: sandstone formation with temperatures as …

Screening of chemicals to enhance oil recovery in a mature sandstone oilfield in Kazakhstan: overcoming challenges of high residual oil

A Dauyltayeva, A Mukhtarov, D Sagandykova… - Applied Sciences, 2023 - mdpi.com
Chemical flooding, such as alkaline-surfactant (AS) or nanoparticles-surfactant (NS)
flooding, is an enhanced oil recovery (EOR) technique that has been increasingly utilized to …

Low salinity waterflooding at West Salym: Laboratory experiments and field forecasts

BM Suijkerbuijk, TG Sorop, AR Parker… - SPE Improved Oil …, 2014 - onepetro.org
Abstract Low Salinity Waterflooding (LSF) is a rapidly emerging IOR/EOR technology that
improves oil recovery by lowering the injection water salinity. A membrane-based …

Assessment of enhanced-oil-recovery-chemicals production and its potential effect on upstream facilities

AM AlSofi, AM AlKhatib, HA Al-Ajwad, Q Wang… - SPE Journal, 2019 - onepetro.org
Review of past chemical‐enhanced‐oil‐recovery (EOR) projects illustrates that chemical‐
EOR implementation can result in produced‐fluid‐handling issues. However, in all projects …

Surfactant-less alkali-cosolvent-polymer floods for an acidic crude oil

H Sharma, K Panthi, KK Mohanty - Fuel, 2018 - Elsevier
Alkali-surfactant-polymer floods can increase the oil recovery in many reservoirs by lowering
interfacial tension (IFT). Surfactants are the most expensive chemicals in these processes …

Low salinity flooding trial at west Salym field

SI Erke, YE Volokitin, IY Edelman, VM Karpan… - SPE Improved Oil …, 2016 - onepetro.org
Low-salinity waterflooding (LSF) has been recognized as an IOR/EOR technique for both
green and brown fields in which the salinity of the injected water is lowered for particular …

Alkaline-surfactant-polymer (ASP) flooding of crude oil at under-optimum salinity conditions

E Battistutta, SR Van Kuijk, KV Groen… - SPE Asia Pacific …, 2015 - onepetro.org
ASP flooding achieves high incremental oil recovery factors over water flooding by reducing
the interfacial tension (IFT) to ultralow values and by ensuring good mobility control …

Surfactant Polymer SP vs. Alkali-Surfactant Polymer ASP: Do We Need the a in ASP?

E Delamaide, D Rousseau, N Wartenberg… - SPE Middle East Oil …, 2021 - onepetro.org
The first surfactant-based pilots can be traced back to the 1960s and since then almost a
hundred field tests have taken place. Interestingly, almost half of these pilots have used an …

A New Logistically Simple Solution for Implementing Alkali-Surfactant-Polymer/Alkali-Cosolvent-Polymer in Difficult Environments: Evaluation of Concept with High …

JG Southwick, N Upamali, M Fazelalavi… - SPE Journal, 2023 - onepetro.org
Research on alkali-assisted chemical enhanced oil recovery (EOR) technology [alkali-
surfactant-polymer (ASP)/alkali-cosolvent-polymer (ACP)] with high total acid number (TAN) …