A salt-induced tackifying polymer for enhancing oil recovery in high salinity reservoirs: Synthesis, evaluation, and mechanism Article Swipe
Yining Wu
,
Peihan Li
,
Bin Yan
,
Xiaohan Li
,
Yongping Huang
,
Juncong Yuan
,
Xiang Feng
,
Caili Dai
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1016/j.gee.2023.10.006
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1016/j.gee.2023.10.006
Polymer flooding is an effective method widely applied for enhancing oil recovery (EOR) by reducing the mobility ratio between the injected water and crude oil. However, traditional polymers encounter challenges in high salinity reservoirs due to their salt sensitivity. To overcome this challenge, we synthesized a zwitterion polymer (PAMNS) with salt-induced tackifying property through copolymerization of acrylamide and a zwitterion monomer, methylacrylamide propyl-N, N-dimethylbutylsulfonate (NS). NS monomer is obtained from the reaction between 1,4-butanesultone and dimethylamino propyl methylacrylamide. In this study, the rheological properties, salt responsiveness, and EOR efficiency of PAMNS were evaluated. Results demonstrate that PAMNS exhibits desirable salt-induced tackifying characteristics, with viscosity increasing up to 2.4 times as the NaCl concentration reaches a salinity of 30 × 104 mg L−1. Furthermore, high valence ions possess a much stronger effect on enhancing viscosity, manifested as Mg2+ > Ca2+ > Na+. Molecular dynamics simulations (MD) and fluid dynamics experiment results demonstrate that PAMNS molecules exhibit a more stretched state and enhanced intermolecular associations in high-salinity environments. It is because of the salt-induced tackifying, PAMNS demonstrates superior performance in polymer flooding experiments under salinity ranges from 5 × 104 mg L−1 to 20 × 104 mg L−1, leading to 10.38–19.83% higher EOR than traditional polymers.
Related Topics
Concepts
Salinity
Zwitterion
Polymer
Salt (chemistry)
Enhanced oil recovery
Monomer
Chemical engineering
Copolymer
Acrylamide
Viscosity
Rheology
Intermolecular force
Micelle
Chemistry
Materials science
Polymer chemistry
Organic chemistry
Molecule
Aqueous solution
Geology
Engineering
Oceanography
Composite material
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1016/j.gee.2023.10.006
- OA Status
- diamond
- Cited By
- 11
- References
- 58
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4388460481
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4388460481Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1016/j.gee.2023.10.006Digital Object Identifier
- Title
-
A salt-induced tackifying polymer for enhancing oil recovery in high salinity reservoirs: Synthesis, evaluation, and mechanismWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-11-07Full publication date if available
- Authors
-
Yining Wu, Peihan Li, Bin Yan, Xiaohan Li, Yongping Huang, Juncong Yuan, Xiang Feng, Caili DaiList of authors in order
- Landing page
-
https://doi.org/10.1016/j.gee.2023.10.006Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
diamondOpen access status per OpenAlex
- OA URL
-
https://doi.org/10.1016/j.gee.2023.10.006Direct OA link when available
- Concepts
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Salinity, Zwitterion, Polymer, Salt (chemistry), Enhanced oil recovery, Monomer, Chemical engineering, Copolymer, Acrylamide, Viscosity, Rheology, Intermolecular force, Micelle, Chemistry, Materials science, Polymer chemistry, Organic chemistry, Molecule, Aqueous solution, Geology, Engineering, Oceanography, Composite materialTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
11Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 9, 2024: 2Per-year citation counts (last 5 years)
- References (count)
-
58Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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