Study of graphene oxide to stabilize shale in water-based drilling fluids
File(s)
Accepted version
Author(s)
Wang, Kai
Jiang, Guancheng
Li, Xinliang
Luckham, Paul F
Type
Journal Article
Abstract
Wellbore instability frequently occurs in shale formation when water-based drilling fluids (WBDFs) are used. To mitigate and avoid the wellbore instability of shale formation, graphene oxide (GO) was used to plug the nano-sized pores, to inhibit water invasion into shale, and to prevent clay minerals of shale swelling. The GO was prepared and characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and transmission electron microscopy (TEM). The linear swelling tests, filtration experiments, imbibition tests and uniaxial compressive strength measurements were conducted to systematically evaluate the protection of GO sheets on shale. Meanwhile, other commonly used shale inhibitors and nanomaterials (nano-silica) were compared with the GO. The results indicated that GO exhibited an improved performance on preventing clay minerals from swelling, plugging nano-sized and micron-sized pores, inhibiting water invasion into the interior of the shale core, and maintaining the shale strength, compared to the commonly used inhibitors. The GO sheets form the large and unbroken film to protect the shale, and the soft and flexible GO sheets can easily deform to plug and fill the different shapes of shale pores. Therefore, GO displays great potential to protect and stabilize shale in WBDFs.
Date Issued
2020-12-05
Date Acceptance
2020-08-12
Citation
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2020, 606
ISSN
0927-7757
Publisher
Elsevier
Journal / Book Title
Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume
606
Copyright Statement
© 2020 Elsevier B.V. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence http://creativecommons.org/licenses/by-nc-nd/4.0/
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000580858600040&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Physical Sciences
Chemistry, Physical
Chemistry
Graphene oxide
Stabilizing shale
Water-based drilling fluids
NANOPARTICLES
INHIBITORS
Publication Status
Published
Article Number
ARTN 125457
Date Publish Online
2020-08-19