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Polymers
Special Issues
New Advances in Polymer-Based Surfactants
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New Advances in Polymer-Based Surfactants

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 737

Special Issue Editors

Dr. Yang Zhang

E-Mail Website
Guest Editor
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
Interests: surfactant; polymer; hydrogel; smart systems; functional materials; fracturing fluids
Dr. Hailong Chen

E-Mail Website
Guest Editor
School of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu 610500, China
Interests: surfactant; foaming agent; foaming stability; chemical flooding; EOR

Special Issue Information

Dear Colleagues,

With the development of the oil and gas industry, unconventional reservoirs with low porosity and low permeability are responsible for an increasing proportion of the total oil and gas resources. To develop unconventional reservoirs, the design and synthesis of high-performance polymer-based surfactants exhibiting both polymer and surfactant properties is urgent; these can be applied in oilfields, including fracking, acidizing, enhancing oil recovery, etc. Notwithstanding the enormous efforts of academic researchers and industry, a functional polymer-based surfactant solution with high performance and low cost remains to be found.

This Special Issue focuses on the recent advances, challenges, and fundamental aspects of the synthesis, characterization, properties, and application of polymer-based surfactants as a functional material used in oilfields. We aim to bring together researchers in the aforementioned fields to highlight the current development of new techniques, exchange the latest understanding of novel functional polymeric or surfactant active materials, present advanced concepts for design and preparation, and facilitate collaboration between researchers in different fields. We welcome the submission of both original research and review articles.

Dr. Yang Zhang
Dr. Hailong Chen
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • surfactant
  • polymer
  • functional materials
  • surface treatment
  • hydrogel
  • foaming stability

Published Papers (1 paper)

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Research

17 pages, 5400 KiB  
Article
Enhancing Oil Recovery in Low-Permeability Reservoirs Using a Low-Molecular Weight Amphiphilic Polymer
by Yang Yang, Youqi Wang, Yiheng Liu and Ping Liu
Polymers 2024, 16(8), 1036; https://doi.org/10.3390/polym16081036 - 10 Apr 2024
Viewed by 359
Abstract
Polymer flooding has achieved considerable success in medium–high permeability reservoirs. However, when it comes to low-permeability reservoirs, polymer flooding suffers from poor injectivity due to the large molecular size of the commonly used high-molecular-weight (high-MW) partially hydrolyzed polyacrylamides (HPAM). Herein, an amphiphilic polymer [...] Read more.
Polymer flooding has achieved considerable success in medium–high permeability reservoirs. However, when it comes to low-permeability reservoirs, polymer flooding suffers from poor injectivity due to the large molecular size of the commonly used high-molecular-weight (high-MW) partially hydrolyzed polyacrylamides (HPAM). Herein, an amphiphilic polymer (LMWAP) with a low MW (3.9 × 106 g/mol) was synthesized by introducing an amphiphilic monomer (Allyl-OP-10) and a chain transfer agent into the polymerization reaction. Despite the low MW, LMWAP exhibited better thickening capability in brine than its counterparts HPAM-1800 (MW = 1.8 × 107 g/mol) and HPAM-800 (MW = 8 × 106 g/mol) due to the intermolecular hydrophobic association. LMWAP also exhibited more significant shear-thinning behavior and stronger elasticity than the two counterparts. Furthermore, LMWAP possesses favorable oil–water interfacial activity due to its amphiphilicity. The oil–water interfacial tension (IFT) could be reduced to 0.88 mN/m and oil-in-water (O/W) emulsions could be formed under the effect of LMWAP. In addition, the reversible hydrophobic association endows the molecular chains of LMWAP with dynamic association–disassociation transition ability. Therefore, despite the similar hydrodynamic sizes in brine, LMWAP exhibited favorable injectivity under low-permeability conditions, while the counterpart HPAM-1800 led to fatal plugging. Furthermore, LMWAP could enhance oil recovery up to 21.5%, while the counterpart HPAM-800 could only enhance oil recovery by up to 11.5%, which could be attributed to the favorable interfacial activity of LMWAP. Full article
(This article belongs to the Special Issue New Advances in Polymer-Based Surfactants)
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