Inventor
LIU FUCHEN
CN32 patents
⚠️ This page may combine multiple inventors who share the name “LIU FUCHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CNPC USA CORP
22 patentsUS11499091B2Nov 15, 2022
Composition and method for improving the production of petroleum hydrocarbons
CNPC USA CORP1 citations71
US12391868B2Aug 19, 2025
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
CNPC USA CORP0 citations61
US12351758B2Jul 8, 2025
Method of hydraulic fracturing utilizing a hydraulic fracturing fluid with a single phase liquid proppant
CNPC USA CORP0 citations61
US12241022B2Mar 4, 2025
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
CNPC USA CORP0 citations61
US12098326B2Sep 24, 2024
Degradable friction reducer for hydraulic fracturing treatments
CNPC USA CORP0 citations61
US12098327B2Sep 24, 2024
Degradable friction reducer for hydraulic fracturing treatments
CNPC USA CORP0 citations61
US11999905B2Jun 4, 2024
Degradable friction reducer for hydraulic fracturing treatments
CNPC USA CORP0 citations61
US11999906B2Jun 4, 2024
Method of hydraulic fracturing utilizing a hydraulic fracturing fluid with a single phase liquid proppant
CNPC USA CORP0 citations61
US11578261B2Feb 14, 2023
Method of hydraulic fracturing utilizing a hydraulic fracturing fluid with a single phase liquid proppant
CNPC USA CORP0 citations61
US10829680B2Nov 10, 2020
High density and high temperature emulsifier for use in an oil based drilling fluid system
CNPC USA CORP1 citations61
US12392704B2Aug 19, 2025
Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids
CNPC USA CORP0 citations60
US12325824B2Jun 10, 2025
Composition and method for improving the production of petroleum hydrocarbons
CNPC USA CORP0 citations60
US11851612B2Dec 26, 2023
Composition and method for improving the production of petroleum hydrocarbons
CNPC USA CORP0 citations60
US10723931B2Jul 28, 2020
Thinner for oil-based drilling fluids
CNPC USA CORP1 citations60
US12049588B2Jul 30, 2024
Delayed gelation polymer system for high temperature and high salinity applications
CNPC USA CORP0 citations59
US12565618B2Mar 3, 2026
Di-alkyl chain surfactants as a main surfactant for enhancing oil recovery for tight oil formations
CNPC USA CORP0 citations56
US11649395B2May 16, 2023
Nonionic surfactants employed with extended chain as the oil displacement agent to use in enhanced oil recovery
CNPC USA CORP0 citations54
US11459502B2Oct 4, 2022
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
CNPC USA CORP0 citations50
US10752829B2Aug 25, 2020
Compositions of hydraulic fracturing fluid and method thereof
CNPC USA CORP0 citations50
US10280357B2May 7, 2019
High density and high temperature emulsifier for use in an oil based drilling fluid system
CNPC USA CORP0 citations50
US9909050B2Mar 6, 2018
High density and high temperature emulsifier for use in an oil based drilling fluid system
CNPC USA CORP1 citations50
US10787602B2Sep 29, 2020
Shale inhibitors used in the water-based fluid for shale formation
CNPC USA CORP0 citations42
MONSANTO TECHNOLOGY LLC
4 patentsUS7932419B2Apr 26, 2011
Transition metal-containing catalysts and processes for their preparation and use as oxidation and dehydrogenation catalysts
MONSANTO TECHNOLOGY LLC35 citations91
US7390920B2Jun 24, 2008
Oxidation catalyst and process
MONSANTO TECHNOLOGY LLC16 citations83
US9120081B2Sep 1, 2015
Transition metal-containing catalysts and processes for their preparation and use as oxidation and dehydrogenation catalysts
MONSANTO TECHNOLOGY LLC1 citations61
US9394173B2Jul 19, 2016
Recovery of phosphorus values and salt impurities from aqueous waste streams
MONSANTO TECHNOLOGY LLC0 citations46