Comprehensive review on the research and field application of preformed particle gel conformance control technology

MS Esfahlan, E Khodapanah… - Journal of Petroleum …, 2021‏ - Elsevier
High water production is a common problem in mature oil reservoirs. Gel-based treatments
have been widely used as blocking agents to control water production in heterogeneous …

[HTML][HTML] Polymer gels used in oil–gas drilling and production engineering

J Han, J Sun, K Lv, J Yang, Y Li - Gels, 2022‏ - mdpi.com
Background: Open Access Editor's Choice Review Polymer Gels Used in Oil–Gas Drilling
and Production Engineering by **liang Han 1, 2, **sheng Sun 1,*, Kaihe Lv 1, **gbin …

[HTML][HTML] Review of microgels for enhanced oil recovery: Properties and cases of application

YA Rozhkova, DA Burin, SV Galkin, H Yang - Gels, 2022‏ - mdpi.com
In todays' world, there is an increasing number of mature oil fields every year, a
phenomenon that is leading to the development of more elegant enhanced oil recovery …

Enhanced gas production by forming artificial impermeable barriers from unconfined hydrate deposits in Shenhu area of South China sea

E Zhao, J Hou, Y Liu, Y Ji, W Liu, N Lu, Y Bai - Energy, 2020‏ - Elsevier
The absence of impermeable overburden and underburden layers makes it difficult to
develop the unconfined hydrate deposits. Using numerical simulation method, the hydrate …

Biodegradable preformed particle gel (PPG) made of natural chitosan material for water shut-off application

R Elaf, A Ben Ali, M Saad, IA Hussein, H Nimir, B Bai - Polymers, 2023‏ - mdpi.com
Oil and gas extraction frequently produces substantial volumes of produced water, leading
to several mechanical and environmental issues. Several methods have been applied over …

Experimental study of microgel conformance-control treatment for a polymer-flooding reservoir containing superpermeable channels

Y Zhao, J Leng, B Lin, M Wei, B Bai - SPE Journal, 2021‏ - onepetro.org
Polymer flooding has been widely used to improve oil recovery. However, its effectiveness
would be diminished when channels (eg, fractures, fracture-like channels, void-space …

Impact of composition and salinity on swelling and gel strength of poly (acrylamide-co-acrylic acid) preformed particle gel

A Ben Ali, R Elaf, M Saad, IA Hussein, B Bai - Emergent Materials, 2024‏ - Springer
The effects of various material compositions and reservoir environments on the ultimate
strength and swelling kinetics of a commercial preformed particle gel (PPG) have been …

Investigation and application of an associative polymer-surfactant binary system for a successful flooding pilot in a high-temperature, high-salinity, ordinary heavy oil …

Y Guo, J Zhang, X Zhang, J Hu, W Wang… - … at Oil and Gas West Asia, 2018‏ - onepetro.org
Due to poor temperature resistance and salinity tolerance of conventional polymers, the
chemical flooding for high-temperature and high-salinity reservoir faces enormous …

Swelling and rheological behavior of preformed particle gel nanocomposite: simultaneous effect of pressure, temperature, and salinity

M Seidy-Esfahlan, E Khodapanah… - Polymer Bulletin, 2023‏ - Springer
Preformed particle gel treatment is a proper method for increasing oil recovery factor in
heterogeneous reservoirs. The swelling ratio and elasticity properties of particle gels …

Laboratory evaluation of placement behavior of microgels for conformance control in reservoirs containing superpermeable channels

Y Zhao, B Bai - Energy & Fuels, 2022‏ - ACS Publications
Gel treatment has been proven an effective method to attack excessive water production in
many mature oilfields. However, not all of the application projects have successful stories …