P

Inventor

QU LIANGWEI

US19 patents
⚠️ This page may combine multiple inventors who share the name “QU LIANGWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MULTI CHEM GROUP LLC

14 patents
US10106721B2Oct 23, 2018

Cationic surfactants for scale inhibitor squeeze applications

MULTI CHEM GROUP LLC6 citations71
US9637679B2May 2, 2017

Multiple hydrophilic head corrosion inhibitors

MULTI CHEM GROUP LLC4 citations71
US10590333B2Mar 17, 2020

Cationic multiple quaternary ammonium-based surfactants for enhancing production in subterranean formations

MULTI CHEM GROUP LLC1 citations62
US11078403B2Aug 3, 2021

Synergistic sulfide scavenging additives for use in oilfield operations

MULTI CHEM GROUP LLC0 citations59
US9676991B2Jun 13, 2017

Multi-tail hydrate inhibitors

MULTI CHEM GROUP LLC1 citations58
US11225604B2Jan 18, 2022

Acrylate-based sulfur scavenging agents for use in oilfield operations

MULTI CHEM GROUP LLC0 citations57
US10059871B2Aug 28, 2018

Multi-tail hydrate inhibitors

MULTI CHEM GROUP LLC1 citations57
US10246628B2Apr 2, 2019

Multiple hydrophilic head corrosion inhibitors

MULTI CHEM GROUP LLC0 citations50
US10526873B2Jan 7, 2020

Tagged corrosion inhibitors for use in subterranean operations

MULTI CHEM GROUP LLC0 citations48
US10364385B2Jul 30, 2019

Multi-tail hydrate inhibitors

MULTI CHEM GROUP LLC0 citations48
US10597582B2Mar 24, 2020

Acrylate-based sulfur scavenging agents for use in oilfield operations

MULTI CHEM GROUP LLC0 citations47
US9896616B2Feb 20, 2018

Acrylonitrile-based sulfur scavenging agents and methods of use in oilfield operations

MULTI CHEM GROUP LLC0 citations47
US9902893B2Feb 27, 2018

Multiple hydrophilic head hydrate inhibitors

MULTI CHEM GROUP LLC0 citations46
US9796906B2Oct 24, 2017

Multiple hydrophilic head hydrate inhibitors

MULTI CHEM GROUP LLC0 citations46

HALLIBURTON ENERGY SERVICES INC

4 patents

ECOLAB USA INC

1 patent