Types and performances of polymer gels for oil-gas drilling and production: a review

S Lei, J Sun, K Lv, Q Zhang, J Yang - Gels, 2022 - mdpi.com
Polymer gels with suitable viscoelasticity and deformability have been widely used for
formation plugging and lost circulation control, profile control, and water shutoff. This article …

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 …

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 …

Rheological properties of partially hydrolyzed polyacrylamide seeded by nanoparticles

Z Hu, M Haruna, H Gao, E Nourafkan… - Industrial & Engineering …, 2017 - ACS Publications
This work aims to improve the rheological properties of partially hydrolyzed polyacrylamide
(HPAM) for enhanced oil recovery by using silica (or silicon dioxide, SiO2) nanoparticles …

Chromium speciation in tannery effluent after alkaline precipitation: Isolation and characterization

D Wang, S He, C Shan, Y Ye, H Ma, X Zhang… - Journal of Hazardous …, 2016 - Elsevier
It is difficult to completely remove Cr (III) from tannery effluent by alkaline precipitation due to
the abundance of strong organic ligands. Thereby, the speciation of the residual Cr after …

High temperature resistant polymer gel as lost circulation material for fractured formation during drilling

Y Bai, C Liu, J Sun, X Shang, K Lv, Y Zhu… - Colloids and Surfaces A …, 2022 - Elsevier
A cross-linked polymer gel system used for lost-circulation control during drilling with a high-
temperature resistance of 160° C was prepared from a formulation containing 1% of polymer …

Investigation of a high temperature gel system for application in saline oil and gas reservoirs for profile modification

J Liu, L Zhong, C Wang, S Li, X Yuan, Y Liu… - Journal of Petroleum …, 2020 - Elsevier
The deeper the burial of the oil and gas reservoir, the higher the temperature of the oil and
gas reservoir. When profile adjustment of water injection wells, plugging of oil production …

Preparation of chitosan-based ternary nanocomposite hydrogel film by loading graphene oxide nanosheets as adsorbent for enhanced methylene blue dye removal

A Rahmatpour, N Alijani, AH Alizadeh - International Journal of Biological …, 2023 - Elsevier
Our objective in this study is to fabricate a novel chitosan-based ternary nanocomposite
hydrogel film by incorporating graphene oxide (GO) nanosheets into a chitosan/partially …

Experimental research on amphiphilic polymer/organic chromium gel for high salinity reservoirs

H Yang, MW Iqbal, ZA Lashari, C Cao, X Tang… - Colloids and Surfaces A …, 2019 - Elsevier
Polymer gel has been widely used as a plugging agent for blocking the thief zones and
improving the oil production. However, the performance of conventional polymer gel is …

Reductive immobilization of Cr (VI) in contaminated water by tannic acid

X Jiang, W Long, L Peng, T Xu, F He, Y Tang, W Zhang - Chemosphere, 2022 - Elsevier
The rapid reductive immobilization of Cr (VI) from the aqueous solution was achieved by
reduction to Cr (III) using tannic acid (TA), and subsequent pH-triggering precipitation of the …