Progress of polymer gels for conformance control in oilfield

W Kang, X Kang, ZA Lashari, Z Li, B Zhou… - Advances in Colloid and …, 2021 - Elsevier
For the past decades, long-term water flooding processes have led to water channeling in
mature reservoirs, which is a severe problem in oilfields. The development of better plugging …

Polymer systems for water shutoff and profile modification: a review over the last decade

KS El-Karsani, GA Al-Muntasheri, IA Hussein - Spe Journal, 2014 - onepetro.org
Unwanted water production is a serious issue in oil-and gas-producing wells. It causes
corrosion, scale, and loss of productivity. One method of treating this problem is to …

Polymer gel systems for water management in high-temperature petroleum reservoirs: a chemical review

D Zhu, B Bai, J Hou - Energy & fuels, 2017 - ACS Publications
Polymer gel systems as water management materials have been widely used in recent
years for enhanced oil recovery applications. However, most polymer gel systems are …

Competitive association of cations with poly (sodium 4-styrenesulfonate)(PSS) and heavy metal removal from water by PSS-assisted ultrafiltration

M Chen, K Shafer-Peltier, SJ Randtke… - Chemical Engineering …, 2018 - Elsevier
Complexing metal cations with water-soluble nano-sized ionic polyelectrolytes, combined
with a separation process such as ultrafiltration (UF), is a potential strategy to remove or …

Nanotechnology research and development in upstream oil and gas

PJ Boul, PM Ajayan - Energy Technology, 2020 - Wiley Online Library
Research in nanomaterials has brought many performance enhancements to the materials
used in oil and gas well drilling, cementing, production, and enhanced oil recovery (EOR) …

A comprehensive review of in situ polymer hydrogels for conformance control of oil reservoirs

KLNP de Aguiar, PF de Oliveira… - Oil & Gas Science …, 2020 - ogst.ifpenergiesnouvelles.fr
In fractured reservoirs, fluids injected Enhanced Oil Recovery (EOR) are channeled through
the fracture zones and travel through highly permeable regions, failing to displace part of the …

Stability Improvement of CO2 Foam for Enhanced Oil Recovery Applications Using Polyelectrolytes and Polyelectrolyte Complex Nanoparticles

N Kalyanaraman, C Arnold, A Gupta, JS Tsau… - SPE Asia Pacific …, 2015 - onepetro.org
CO2 foam for enhanced oil recovery applications has been traditionally used in order to
address mobility control problems occur during CO2 flooding. However, the supercritical …

Development of a high-strength and adhesive polyacrylamide gel for well plugging

L Cheng, Y Qin, Y Su, Y Pan, Y Wang, R Liao, Z Li - ACS omega, 2022 - ACS Publications
Addition of melamine formaldehyde (MF) as a crosslinker containing hydroxymethyl to
partially hydrolyzed poly (acrylamide)(HPAM) generated covalently crosslinked in situ gels …

Complexation and precipitation of scale-forming cations in oilfield produced water with polyelectrolytes

M Chen, K Shafer-Peltier, M Veisi, S Randtke… - Separation and …, 2019 - Elsevier
Divalent cations such as Ba 2+, Sr 2+, Ca 2+, and Mg 2+, commonly found in oil/gas
produced water at high concentrations, adversely affect oil and gas production by forming …

[HTML][HTML] Experimental and mechanism study: Partially hydrolyzed polyacrylamide gel degradation and deplugging via ultrasonic waves and chemical agents

N Khan, J Pu, C Pu, H Xu, X Gu, Z Lei, F Huang… - Ultrasonics …, 2019 - Elsevier
Partially hydrolyzed Polyacrylamide (PHPAM) crosslinked by Cr+ 3 is frequently applied to
plug thief zone for the better water management in matured oil reservoir. However, PHPAM …