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US 10,590,337 B2Granted
High performance proppants
AssigneePreferred Technology, LLC
InventorsSpyridon Monastiriotis, Yu-Chin Li, Jada Shuchen Leung
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Abstract
Embodiments disclosed herein provide coated particles that can be used, for example, in the extraction of oil and gas from subterranean formations.
Claims20
A coated particle comprising:
- a particle;
- and
- a coating adhered to the particle, wherein the coating comprises:
- a first layer comprising a silane coupling agent;
- a second layer the first layer, wherein the second layer is a phenolic resin coating;
- a third layer in contact with the second layer, wherein the third layer is a phenolic resin coating;
- and
- a fourth layer in contact with the third layer, wherein the fourth layer is a polyurethane coating admixed with a surfactant,
- wherein the fourth layer completely encapsulates the first, second, and third layers.
6 more elements
Dependencies are inferred from the claim text.