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Polymers
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New Studies of Polymer Surfaces and Interfaces: 2nd Edition
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New Studies of Polymer Surfaces and Interfaces: 2nd Edition

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

Deadline for manuscript submissions: 10 July 2025 | Viewed by 729

Special Issue Editors

Dr. Xin Chen

E-Mail Website
Guest Editor
College of Petroleum Engineering, Xi’an Shiyou University, Xi'an 710065, China
Interests: polymer flooding; enhanced oil recovery; interface chemistry; multi-fluids interface
Special Issues, Collections and Topics in MDPI journals
Dr. Zheyu Liu

E-Mail Website
Guest Editor
State Key Laboratory of Oil and Gas Resources and Exploration and College of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 102249, China
Interests: chemical flooding enhanced oil recovery; emulsification behavior characterization and control; multiphase fluid microscale flow
Special Issues, Collections and Topics in MDPI journals
Dr. Jianbin Liu

E-Mail Website
Guest Editor
College of Petroleum Engineering, Xi’an Shiyou University, Xi'an 710065, China
Interests: injection/production profile modification; surfactant chemistry; enhanced oil recovery; polymer gel; interfacial phenomena
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polymers play an important role in basic materials science and engineering applications, where almost all aspects of polymer research and applications are directly or indirectly related to surface and interface phenomena. Therefore, a detailed analysis of surfaces and interfaces is crucial for material development and engineering optimization.

This Special Issue is dedicated to collecting works containing the latest theories, analysis techniques, and application methods of polymer surfaces and interfaces and to providing guidance for developing and applying polymer materials. The title of this Special Issue is “New Studies of Polymer Surfaces and Interfaces: 2nd Edition”. For this purpose, works on experimental and numerical studies on new polymer materials, polymer analysis methods, polymer characterization methods, polymer applications (textiles, oil and gas field development, membranes), polymer fluids (multiphase fluid interface, emulsification), etc., are welcome.

Dr. Xin Chen
Dr. Zheyu Liu
Dr. Jianbin Liu
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

  • surfaces and interfaces
  • interface behavior
  • polymeric materials characterization
  • polymer application
  • multiphase interfacial flow
  • wettability

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Published Papers (1 paper)

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Research

16 pages, 4497 KiB  
Article
Experimental Investigation on the Application of Polymer Agents in Offshore Sandstone Reservoirs: Optimization Design for Enhanced Oil Recovery
by Yanyue Li, Changlong Liu, Yaqian Zhang, Baoqing Xue, Jinlong Lv, Chuanhui Miao, Yiqiang Li and Zheyu Liu
Polymers 2025, 17(5), 673; https://doi.org/10.3390/polym17050673 - 2 Mar 2025
Viewed by 568
Abstract
The conventional polymer gel has high initial viscosity and short gelation time, making it difficult to meet the requirements of deep profile control in offshore reservoirs with large well spacing and strong heterogeneity. This paper evaluates the performance and core plugging capacity of [...] Read more.
The conventional polymer gel has high initial viscosity and short gelation time, making it difficult to meet the requirements of deep profile control in offshore reservoirs with large well spacing and strong heterogeneity. This paper evaluates the performance and core plugging capacity of novel functional polymer gels and microspheres to determine the applicability of core permeability ranges. On the heterogeneous core designed based on the reservoir characteristics of Block B oilfield, optimization was conducted separately for the formulation, dosage, and slug combinations of the polymer gel/microsphere. Finally, oil displacement experiments using polymer and microsphere combinations were conducted on vertically and planar heterogeneous cores to simulate reservoir development effects. The experimental results show the novel functional polymer gel exhibits slow gelation with high gel strength, with viscosity rapidly increasing four days after aging, ultimately reaching a gel strength of 74,500 mPa·s. The novel functional polymer gel and polymer microsphere can effectively plug cores with permeabilities below 6000 mD and 2000 mD, respectively. For heterogeneous cores with an average permeability of 1000 mD, the optimal polymer microsphere has a concentration of 4000 mg/L and a slug size of 0.3 PV; for heterogeneous cores with an average permeability of 4000 mD, the optimal functional polymer gel has a concentration of 7500 mg/L and a slug size of 0.1 PV. In simulations of vertically and planarly heterogeneous reservoirs, the application of polymer agent increases the oil recovery factor by 53% and 38.7% compared to water flooding. This realizes the gradual and full utilization of layers with high, medium, and low permeability. Full article
(This article belongs to the Special Issue New Studies of Polymer Surfaces and Interfaces: 2nd Edition)
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