The oil and gas industries are shifting towards using biopolymers, and their demand is increasing due to their environmentally friendly nature. In this work, CMHG is synthesized from guar split (endosperm), and its comparative rheological studies at high temperatures are highly significant for industrial applications. The direct synthesis of guar gum (GG) potentially offers a more cost-effective and integrated process for creating a high-value derivative. The study tested the gelling and fracturing abilities of CMHG in water-based fluids and their performances were tested at 100, 110, 120, and 130 ℃ for 16, 24, 36, and 48 h, respectively. CMHG shows an improved hydration rate, achieving maximum viscosity (90-95%) in 10 to 15 minutes, giving a nearly water clear transparent paste. It was observed that the CMHG polymer was completely stable at 120 ℃ with 3% KCl (w/v) solution. CMHG demonstrates an ability to withstand high temperature and high salinity conditions. The results indicate that CMHG would be helpful as a viscosifier and for fracturing fluid applications in oil and gas industries.
Chahar et al. (Wed,) studied this question.
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