Patent ID: 9528045
Filing Date: 2016-12-27
CPC Classification: B82Y,C01B,C07C,C07H,C09K,E21B,Y10S,Y10T

Claim Text:
1. A fluorescent nanoagent for use in a subsurface petroleum reservoir, the nanoagent comprising: a carbon-based nanoparticle core, said nanoparticle core having an average diameter of less than 100 nm; wherein said nanoparticle core includes a plurality of functional groups appended to the surface thereof, wherein the functional group comprises an organic functional group present in an amount of between about 50% and 90% by weight; and wherein the fluorescent nanoagent is produced from a solution comprising a sugar, an amino alcohol and deionized water reacted under conditions capable of synthesizing the fluorescent nanoagent.