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Cellulose Nanoparticles as Modifiers for Rheology and Fluid Loss in Bentonite Water-based Fluids

Li, Mei-Chun, Wu, Qinglin, Song, Kunlin, Qing, Yan, Wu, Yiqiang·2015·ACS Applied Materials & Interfaces

Abstract

Rheological and filtration characteristics of drilling fluids are considered as two critical aspects to ensure the success of a drilling operation. This research demonstrates the effectiveness of cellulose nanoparticles (CNPs), including microfibrillated cellulose (MFC) and cellulose nanocrystals (CNCs) in enhancing the rheological and filtration performances of bentonite (BT) water-based drilling fluids (WDFs). CNCs were isolated from MFC through sulfuric acid hydrolysis. In comparison with MFC, the resultant CNCs had much smaller dimensions, more negative surface charge, higher stability in aqueous solutions, lower viscosity, and less evident shear thinning behavior. These differences resulted in the distinctive microstructures between MFC/BT- and CNC/BT-WDFs. A typical "core-shell" structure was created in CNC/BT-WDFs due to the strong surface interactions among BT layers, CNCs, and immobilized water molecules. However, a similar structure was not formed in MFC/BT-WDFs. As a result, CNC/BT-WDFs had superior rheological properties, higher temperature stability, less fluid loss volume, and thinner filter cakes than BT and MFC/BT-WDFs. Moreover, the presence of polyanionic cellulose (PAC) further improved the rheological and filtration performances of CNC/BT-WDFs, suggesting a synergistic effect between PAC and CNCs.

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Metadata

Authors
Li, M.-C., Wu, Q., Song, K., Qing, Y., & Wu, Y.
Venue
ACS Applied Materials & Interfaces
Published
2015-02-20
Volume
7
Issue
8
Pages
5006-5016
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W2315337499
Cited by
373
References
21
FWCI
46.92
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Cellulose Nanoparticles as Modifiers for Rheology and Fluid Loss in Bentonite Water-based Fluids. https://app.cochat.ai/papers/10.1021/acsami.5b00498
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Li, M.-C., Wu, Q., Song, K., Qing, Y., & Wu, Y. (2015). Cellulose Nanoparticles as Modifiers for Rheology and Fluid Loss in Bentonite Water-based Fluids. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.5b00498

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