Hydraulic fracturing plays a significant role in developing low permeability reservoir. The modified guar gum is an effective method to enhance the guar gum fracturing fluid properties. The hydrophobic modified guar gum was prepared by microwave-assisted. The effect of different reaction condition on viscosity and water-insoluble of modified guar gum was studied. The optimum reaction condition was obtained as following: 80 °C reaction temperature, 8-10 min reaction time, 100 W microwave power, 8mL NaOH solution, 3mL 1-bromooctadecane. Fourier Transform Infrared Spectroscopy (FT-IR) characterization and Thermal Gravmetric Analysis (TGA) were conducted to prove that the hydrophobic modified guar gum was synthesized successfully. Microwave assisted heating is useful to improve the hydrophobic modified guar gum efficiency and viscosity.
Shidong Wang, Shuangchun Yang, Yi Pan, Jun Leng and Ongarbayev Asset
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