Inventor
CHANG SEHOON
US34 patents
⚠️ This page may combine multiple inventors who share the name “CHANG SEHOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAUDI ARABIAN OIL CO
31 patentsUS11299982B2Apr 12, 2022
Tracers for petroleum reservoirs
SAUDI ARABIAN OIL CO5 citations83
US11230919B2Jan 25, 2022
Tracers for petroleum reservoirs
SAUDI ARABIAN OIL CO5 citations83
US11796517B2Oct 24, 2023
Multifunctional magnetic tags for mud logging
SAUDI ARABIAN OIL CO2 citations73
US11692440B2Jul 4, 2023
Polymer nano-clays as multifunctional mud logging barcode tracers
SAUDI ARABIAN OIL CO2 citations73
US11472709B2Oct 18, 2022
Bulk synthesis of Janus nanomaterials
SAUDI ARABIAN OIL CO3 citations73
US10156658B1Dec 18, 2018
Detecting a tracer in a hydrocarbon reservoir
SAUDI ARABIAN OIL CO2 citations73
US11827604B2Nov 28, 2023
Tracers for petroleum reservoirs
SAUDI ARABIAN OIL CO2 citations72
US12410134B2Sep 9, 2025
Tracers for petroleum reservoirs
SAUDI ARABIAN OIL CO0 citations62
US12384747B2Aug 12, 2025
Tracers for petroleum reservoirs
SAUDI ARABIAN OIL CO0 citations62
US12372503B2Jul 29, 2025
Multifunctional magnetic tags for mud logging
SAUDI ARABIAN OIL CO0 citations62
US12188074B2Jan 7, 2025
Methods for reducing condensation
SAUDI ARABIAN OIL CO0 citations62
US12140582B2Nov 12, 2024
Multifunctional polysaccharide-based mud logging barcode tracers
SAUDI ARABIAN OIL CO0 citations62
US12110448B2Oct 8, 2024
Multifunctional fluorescent tags for subterranean applications
SAUDI ARABIAN OIL CO0 citations62
US12091611B2Sep 17, 2024
Enhanced oil recovery with Janus nanoparticles
SAUDI ARABIAN OIL CO0 citations62
US12077504B2Sep 3, 2024
Tracers for petroleum reservoirs
SAUDI ARABIAN OIL CO0 citations62
US11933937B2Mar 19, 2024
Nanofluidic chips as micromodels for carbonate reservoirs
SAUDI ARABIAN OIL CO0 citations62
US11911761B2Feb 27, 2024
Microfluidic chip with mixed porosities for reservoir modeling
SAUDI ARABIAN OIL CO0 citations62
US11827850B2Nov 28, 2023
Enhanced oil recovery with janus nanoparticles
SAUDI ARABIAN OIL CO1 citations62
US11708272B2Jul 25, 2023
Bulk synthesis of Janus nanomaterials
SAUDI ARABIAN OIL CO0 citations62
US11660595B2May 30, 2023
Microfluidic chip with multiple porosity regions for reservoir modeling
SAUDI ARABIAN OIL CO0 citations62
US11534759B2Dec 27, 2022
Microfluidic chip with mixed porosities for reservoir modeling
SAUDI ARABIAN OIL CO0 citations62
US11422285B2Aug 23, 2022
Nanofluidic chips as micromodels for carbonate reservoirs
SAUDI ARABIAN OIL CO0 citations62
US10261216B2Apr 16, 2019
Detecting a tracer in a hydrocarbon reservoir
SAUDI ARABIAN OIL CO1 citations62
US12140578B2Nov 12, 2024
Tracer analysis
SAUDI ARABIAN OIL CO0 citations61
US11549922B2Jan 10, 2023
Tracer analysis
SAUDI ARABIAN OIL CO1 citations61
US12228512B2Feb 18, 2025
Multipurpose microfluidics devices for rapid on-site optical chemical analysis
SAUDI ARABIAN OIL CO0 citations51
US12305504B2May 20, 2025
Quantifying zonal flow in multi-lateral wells via taggants of fluids
SAUDI ARABIAN OIL CO0 citations50
US12253467B2Mar 18, 2025
Determining partition coefficients of tracer analytes
SAUDI ARABIAN OIL CO0 citations50
US12168929B2Dec 17, 2024
Quantifying zonal flow in multi-lateral wells via taggants of fluids
SAUDI ARABIAN OIL CO0 citations50
US12359115B2Jul 15, 2025
Method of treating a subsurface formation with a coated proppant
SAUDI ARABIAN OIL CO0 citations47
US12325825B2Jun 10, 2025
Composition for a coated proppant
SAUDI ARABIAN OIL CO0 citations47