Shrimp Shell-Derived Chitin Nanofibers as Shale Inhibitors in Water-Based Drilling Fluids
Jingping Liu,
Yecheng Li,
Kaihe Lv
et al.
Abstract:To address shale wellbore instability and promote sustainable development in the oil and gas drilling industry, chitin nanofibers (ChNFs) were extracted from shrimp shells and employed as environmentally friendly shale inhibitors for the first time. Two types of ChNFs, namely, 2,2,6,6tetramethylpiperidinooxy (TEMPO)-mediated oxidized ChNFs (T-ChNFs) and deacetylated T-ChNFs (DT-ChNFs), were prepared through TEMPO-mediated oxidation of shrimp shell-derived chitin and partial deacetylation of obtained T-ChNFs, r… Show more
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