The advances of organic chromium based polymer gels and their application in improved oil recovery

H Zhang, H Yang, B Sarsenbekuly, M Zhang… - Advances in Colloid and …, 2020 - Elsevier
In recent years, with the further development of old oilfields, in order to further improve the oil
recovery, they must be conformance controlled. Among various types of conformance control …

A Review of Recent Developments in Nanomaterial Agents for Water Shutoff in Hydrocarbon Wells

A Ali, M Alabdrabalnabi, MA Ramadan, MS Aljawad… - ACS …, 2024 - ACS Publications
Reducing water production from hydrocarbon wells is one of the major requirements to
prolong the life span of production wells. Gel treatment is commonly regarded as one of the …

Network-gel strength relationship and performance improvement of polyacrylamide hydrogel using nano-silica; with regards to application in oil wells conditions

C Zareie, AR Bahramian, MV Sefti, MB Salehi - Journal of Molecular Liquids, 2019 - Elsevier
Today, hydrogel plugs as a new and effective technology are widely used for temporary oil
and gas well plugging. Although, the strength and fluidity of the hydrogels in the oil wells …

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 …

Preparation and study of polyvinyl alcohol gel structures with acrylamide and 2-acrylamido-2-methyl-1-propanesulfonic acid for application in saline oil reservoirs for …

S Dong, L Li, Y Wu, X Huang… - ACS Applied Materials & …, 2023 - ACS Publications
Polymer gels can be effectively applied to plug fractured reservoirs and carbonate cave
strata. Herein, polyvinyl alcohol (PVA), acrylamide, and 2-acrylamido-2-methyl-1 …

Experimental study of low molecular weight polymer/nanoparticle dispersed gel for water plugging in fractures

Y Bai, X Shang, Z Wang, X Zhao - Colloids and Surfaces A …, 2018 - Elsevier
A low molecular weight polymer/nanoparticle dispersed (LPND) gel system applied for water
plugging in fractured media was studied. Results of rheological and gelation properties …

Review of the micro and Macro mechanisms of gel-based plugging agents for enhancing oil recovery of unconventional water flooding oil reservoirs

Y Bai, W Pu, X Jin, C Shen, H Ren - Journal of Molecular Liquids, 2024 - Elsevier
In recent years, gel plugging agents had made significant contributions to addressing water
channeling and water flooding issues in water-flooded oil reservoirs. To meet the demands …

Synthesis of hydrogel nanocomposites based on partially hydrolyzed polyacrylamide, polyethyleneimine, and modified clay

KAB Pereira, KLNP Aguiar, PF Oliveira, BM Vicente… - ACS …, 2020 - ACS Publications
Polymeric gels have been an important category for material scientists due its versatile
structural features. Hence, hydrogels are being used to reduce excess production water in …

Temperature- and Salt-Tolerant 2-Acrylamide-2-methylpropanesulfonic Acid/AM@SiO2 Microgel Particles: Synthesis and Enhanced Oil Recovery Performance …

T Wang, L Wang, W Song, H Fan… - Industrial & …, 2023 - ACS Publications
To simultaneously meet the demands of small size for easy transportation and injection as
well as temperature and salinity resistance, 2-acrylamide-2-methylpropanesulfonic acid …

Nanocomposite gels for water shut-off and temporary plugging in the petroleum industry: a review

J Du, Q Wang, P Liu, G Xiong, P Chen… - Petroleum Science …, 2023 - Taylor & Francis
Compared with conventional polymer gels, nanocomposite gels have significant advantages
in strength and temperature resistance. They can adapt to more severe reservoir …