US 11,952,279 B2
Modified carbon nanomaterials as tracers for reservoir monitoring
Wei Wang, Quincy, MA (US)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by ARAMCO SERVICES COMPANY, Houston, TX (US)
Filed on Aug. 23, 2021, as Appl. No. 17/409,271.
Prior Publication US 2023/0059347 A1, Feb. 23, 2023
Int. Cl. C01B 32/15 (2017.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); E21B 47/11 (2012.01)
CPC C01B 32/15 (2017.08) [E21B 47/11 (2020.05); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/64 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A carbon nanoparticle comprising:
a reaction product of an organic reactant, an alkoxy amine, and an organometallic compound, where the organometallic compound is a rare earth element;
wherein
the carbon nanoparticle comprises from 15.0 to 40 wt. % of the rare earth element, and
the carbon nanoparticle is fluorescent.