P

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 patents
US11299982B2Apr 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

ARAMCO SERVICES CO

1 patent

SEYUN SCS CORP

1 patent

MASSACHUSETTS INST TECHNOLOGY

1 patent