P

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 patents
US11499091B2Nov 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 patents

MICROSOFT TECHNOLOGY LICENSING LLC

2 patents

LIU FUCHEN

1 patent

ARHANCET JUAN P

1 patent

COLEMAN JAMES P

1 patent

CHINA NAT PETROLEUM CORP

1 patent