Inventor
HE KAI
US24 patents
⚠️ This page may combine multiple inventors who share the name “HE KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MULTI CHEM GROUP LLC
9 patentsUS9725986B2Aug 8, 2017
Multi-functional surfactant complexes for use in subterranean formations
MULTI CHEM GROUP LLC22 citations92
US9969928B2May 15, 2018
Surfactant formulations and associated methods for reduced and delayed adsorption of the surfactant
MULTI CHEM GROUP LLC7 citations84
US9488586B2Nov 8, 2016
Determining treatment fluid composition using a mini-reservoir device
MULTI CHEM GROUP LLC7 citations84
US10442986B2Oct 15, 2019
Determining residual friction reducer concentrations for subterranean treatment fluids
MULTI CHEM GROUP LLC4 citations68
US10590333B2Mar 17, 2020
Cationic multiple quaternary ammonium-based surfactants for enhancing production in subterranean formations
MULTI CHEM GROUP LLC1 citations62
US10995262B2May 4, 2021
Ethoxylated amines for use in subterranean formations
MULTI CHEM GROUP LLC0 citations61
US11041114B2Jun 22, 2021
Methods and treatment fluids for microfracture creation and microproppant delivery in subterranean formations
MULTI CHEM GROUP LLC0 citations57
US9970265B2May 15, 2018
Multi-functional surfactant complexes for use in subterranean formations
MULTI CHEM GROUP LLC0 citations50
US9982185B2May 29, 2018
Methods and systems for preparing surfactant polyelectrolyte complexes for use in subterranean formations
MULTI CHEM GROUP LLC0 citations40
HALLIBURTON ENERGY SERVICES INC
5 patentsUS10640698B2May 5, 2020
Ethoxylated amines for use in subterranean formations
HALLIBURTON ENERGY SERVICES INC3 citations72
US11802235B2Oct 31, 2023
Self propping surfactant for well stimulation
HALLIBURTON ENERGY SERVICES INC0 citations60
US11124699B2Sep 21, 2021
Self propping surfactant for well stimulation
HALLIBURTON ENERGY SERVICES INC0 citations60
US11421149B2Aug 23, 2022
Alkyl polyglycoside surfactants for use in subterranean formations
HALLIBURTON ENERGY SERVICES INC0 citations52
US10066157B2Sep 4, 2018
Injecting polyelectrolyte based sacrificial agents for use in unconventional formations
HALLIBURTON ENERGY SERVICES INC0 citations52