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US 12,285,741 B2Granted
Method for making smart sand
AssigneesKing Abdullah University of Science and Technology, Saudi Arabian Oil Company
InventorsPeng Wang, Jian Chang, Zeyad Ahmed, Yifeng Shi, Chisiang Ong
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Abstract
A smart sand includes raw sand particles, synthetic SiO2 particles attached to the raw sand particles, a first material attached to a first set of the synthetic SiO2 particles, a second material attached to a second set of the synthetic SiO2 particles, and a third material attached to the first material. Each of the first to third materials is different from each other.
Claims8
A method for making a smart sand, the method comprising:
- providing raw sand particles;
- coating the raw sand particles with synthetic SiO2 particles;
- adding a first material to a first set of the synthetic SiO2 particles;
- adding a second material to a second set of the synthetic SiO2 particles;
- and
- grafting a third material to the first material to obtain the smart sand,
- wherein each of the first to third materials is different from each other.
4 more elements
Dependencies are inferred from the claim text.