Field design guidelines for gel strengths of profile-control gel treatments based on reservoir type

M Aldhaheri, M Wei, N Zhang, B Bai - Journal of Petroleum Science and …, 2020‏ - Elsevier
Bulk gels are increasingly applied to alleviate the costly burden of excessive water
production in mature oil fields. Practically, designs of new treatments are adopted from …

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 …

Study on preparation and plugging effect of sawdust gel particle in fractured reservoir

W Kang, J Wang, Z Ye, G Gu, W Li, H Yang, Z Li… - Journal of Petroleum …, 2022‏ - Elsevier
In order to solve the problem of conventional preformed particle gel (PPG) with relatively
high cost and poor strength and shearing resistance, a preformed sawdust gel particle (S …

Preparation and in vitro characterization studies of astaxanthin-loaded nanostructured lipid carriers with antioxidant properties

L Gu, W Wang, B Wu, S Ji, Q **a - Journal of biomaterials …, 2023‏ - journals.sagepub.com
The purpose of this study was to evaluate the astaxanthin-loaded nanostructured lipid
carriers (ASX-NLC) prepared using a high-pressure homogenization transport system for …

Progress and Prospects of In Situ Polymer Gels for Sealing Operation in Wellbore and Near-Well Zone

Z Kang, YT Liu, H Jia, B **a, HM Ou, QB Pu… - Energy & …, 2024‏ - ACS Publications
In situ polymer gels have been received as a useful tool for sealing operations such as fluid
loss control during well drilling and workover and completion, well stimulation, water shutoff …

Preparation and salt-insensitive behavior study of swellable, Cr3+-embedded microgels for water management

J Pu, J Geng, P Han, B Bai - Journal of Molecular Liquids, 2019‏ - Elsevier
The microgels have been used in the oilfield for water management and enhanced oil
recovery (EOR). Fully swollen size of the microgels is very sensitive to salt, which brings …

Dual crosslinked poly (acrylamide-co-N-vinylpyrrolidone) microspheres with re-crosslinking ability for fossil energy recovery

J Pu, B Bai, J Geng, N Zhang, T Schuman - Geoenergy Science and …, 2023‏ - Elsevier
Microspheres have been proposed to be applied in controlling wastewater production for
mature oilfields and migrating leakage for gas and nuclear waste storage. However, it …

Reinforcement of polyacrylamide-co-tert-butyl acrylate base gel using nanosilica for conformance control at low and high reservoir temperatures

M Shamlooh, A Hamza, I A. Hussein… - … and Exhibition on …, 2020‏ - onepetro.org
Challenges of water shut-off, which is categorized under conformance control, are
nowadays common in the oil and gas industry. The excessive water quantities produced …

Temperature-triggered release of chromium chloride from nanocapsules for controlled burst release and gelation of hydrolyzed polyacrylamide to plug high …

J Pu, N Zhang, Q Liu, M Lin, M Luo, X Li, J Wu, Y Yang… - SPE Journal, 2023‏ - onepetro.org
Summary Chromium (III)(Cr 3+)-hydrolyzed polyacrylamide (HPAM) gels have been applied
extensively as blocking agents for sweep efficiency improvement. Previous studies focused …