P

Inventor

HAN MING

SA60 patents
⚠️ This page may combine multiple inventors who share the name “HAN MING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAUDI ARABIAN OIL CO

34 patents
US11993747B1May 28, 2024

Treatment of subterranean formations

SAUDI ARABIAN OIL CO3 citations73
US11286232B2Mar 29, 2022

Preparation of cationic surfactants

SAUDI ARABIAN OIL CO1 citations73
US11254855B2Feb 22, 2022

Surfactant mixtures used during chemical enhanced oil recovery and methods of use thereof

SAUDI ARABIAN OIL CO5 citations71
US10927290B2Feb 23, 2021

Chemical imbibition by gels containing surfactants for fractured carbonate reservoirs

SAUDI ARABIAN OIL CO2 citations66
US9297747B2Mar 29, 2016

Method to determine trace amounts of crude oil by spectroscopic absorption

SAUDI ARABIAN OIL CO5 citations66
US12391866B2Aug 19, 2025

Surfactant mixtures for enhanced oil recovery

SAUDI ARABIAN OIL CO0 citations62
US12379299B2Aug 5, 2025

Methods and systems for a parallel flow core sample holder

SAUDI ARABIAN OIL CO0 citations62
US12221883B1Feb 11, 2025

Compact apparatus for quick core flood tests and method of use

SAUDI ARABIAN OIL CO0 citations62
US12049529B2Jul 30, 2024

Synthesis of a cationic surfmer and its copolymers for enhanced oil recovery

SAUDI ARABIAN OIL CO0 citations62
US11993553B2May 28, 2024

Preparation of cationic surfactants

SAUDI ARABIAN OIL CO0 citations62
US11906417B2Feb 20, 2024

Restoring core samples

SAUDI ARABIAN OIL CO0 citations62
US11820842B2Nov 21, 2023

Sulfonated polymer

SAUDI ARABIAN OIL CO0 citations62
US11795374B2Oct 24, 2023

Composition and method of making cationic surfactants with two quaternary ammonium head groups

SAUDI ARABIAN OIL CO0 citations62
US11697700B2Jul 11, 2023

Synthesis of a cationic surfmer and its copolymers for enhanced oil recovery

SAUDI ARABIAN OIL CO0 citations62
US11591291B2Feb 28, 2023

Preparation of cationic surfactants

SAUDI ARABIAN OIL CO0 citations62
US11591292B2Feb 28, 2023

Preparation of cationic surfactants

SAUDI ARABIAN OIL CO0 citations62
US12523132B2Jan 13, 2026

Enhanced oil recovery

SAUDI ARABIAN OIL CO0 citations61
US12421443B2Sep 23, 2025

Viscosity reducer compositions, methods for producing, and methods of using

SAUDI ARABIAN OIL CO0 citations61
US11649397B1May 16, 2023

Polyaromatic hydrocarbon-based host-guest complex for heavy crude oil viscosity reduction

SAUDI ARABIAN OIL CO0 citations61
US10968382B2Apr 6, 2021

Polymer-enhanced surfactant flooding for permeable carbonates

SAUDI ARABIAN OIL CO0 citations61
US12152194B2Nov 26, 2024

Low surface tension surfactant system for enhancing flow-back performance

SAUDI ARABIAN OIL CO0 citations60
US11867038B2Jan 9, 2024

Thickened CO2 in gravity drainage gas injection processes

SAUDI ARABIAN OIL CO0 citations60
US11590708B2Feb 28, 2023

Three-dimensional fluid micromodels

SAUDI ARABIAN OIL CO1 citations60
US12534659B2Jan 27, 2026

Ionic liquid monomer for synthesis of friction reducer and methods thereof

SAUDI ARABIAN OIL CO0 citations59
US11746274B1Sep 5, 2023

Ionic liquid monomer for synthesis of friction reducer and methods thereof

SAUDI ARABIAN OIL CO0 citations59
US12399165B2Aug 26, 2025

On-line core holder design for polymer quality testing device

SAUDI ARABIAN OIL CO0 citations58
US11867039B2Jan 9, 2024

Alternating microsphere and smartwater injection for enhanced oil recovery

SAUDI ARABIAN OIL CO0 citations58
US12503940B2Dec 23, 2025

Usage of an artificial fracture setup for gel evaluation

SAUDI ARABIAN OIL CO0 citations57
US11739620B1Aug 29, 2023

Methodology to improve the efficiency of gravity drainage CO2 gas injection processes

SAUDI ARABIAN OIL CO0 citations56
US12454878B1Oct 28, 2025

Sand prevention system

SAUDI ARABIAN OIL CO0 citations55
US12139664B2Nov 12, 2024

Thermal stimuli-responsive surfactants for enhanced oil recovery

SAUDI ARABIAN OIL CO0 citations51
US10472558B2Nov 12, 2019

Polymer-enhanced surfactant flooding for permeable carbonates

SAUDI ARABIAN OIL CO0 citations51
US10266752B2Apr 23, 2019

Polymer-enhanced surfactant flooding for permeable carbonates

SAUDI ARABIAN OIL CO0 citations51
US10011760B2Jul 3, 2018

Polymer-enhanced surfactant flooding for permeable carbonates

SAUDI ARABIAN OIL CO0 citations51

NUTECH VENTURES INC

3 patents

UNIV NEBRASKA

2 patents

HAN MING

2 patents

UNIV EAST CHINA JIAOTONG

2 patents

TEMASEK POLYTECHNIC

2 patents

UNIV MICHIGAN STATE

2 patents

AL-YOUSEF ALI ABDULLAH

1 patent

INNOLIGHT TECH SUZHOU LTD

1 patent

TENCENT TECH SHENZHEN CO LTD

1 patent

Showing the top 50 of 60 patents by PatentIndex Score.