Inventor
LIU YIFEI
US20 patents
⚠️ This page may combine multiple inventors who share the name “LIU YIFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV CHINA PETROLEUM EAST CHINA
5 patentsUS10494562B1Dec 3, 2019
Flow modifier particles, flow modifier, and preparation method and use thereof
UNIV CHINA PETROLEUM EAST CHINA3 citations70
US10584276B2Mar 10, 2020
CO2-sensitive fracturing and displacement fluid and method of making the same and method for fracturing and displacement of tight oil reservoir
UNIV CHINA PETROLEUM EAST CHINA1 citations61
US10844275B2Nov 24, 2020
Method for oil displacement using dispersed particle gel-strengthened polymer ternary composite displacement system
UNIV CHINA PETROLEUM EAST CHINA1 citations60
US11247909B1Feb 15, 2022
Multi-grafting site carbon nanomaterial and activated carbon nanomaterial and preparation method thereof and displacement system for ultra-low permeability oil reservoirs
UNIV CHINA PETROLEUM EAST CHINA0 citations57
US12024975B2Jul 2, 2024
Self-growing dispersed particle gel active mobility control system and fluid channeling control method for low-permeability-tight reservoir
UNIV CHINA PETROLEUM EAST CHINA0 citations49
REVOCHEM LLC
4 patentsUS10585078B1Mar 10, 2020
Three-dimension unconventional reservoir monitoring using high-resolution geochemical fingerprinting
REVOCHEM LLC8 citations82
US11624738B1Apr 11, 2023
Three-dimension unconventional reservoir monitoring using high-resolution geochemical fingerprinting
REVOCHEM LLC2 citations71
US10760418B1Sep 1, 2020
Method and system for preserving and obtaining hydrocarbon information from organic-rich rock samples
REVOCHEM LLC3 citations71
US11774417B1Oct 3, 2023
Method and system for preserving and obtaining hydrocarbon information from organic-rich rock samples
REVOCHEM LLC0 citations61
UNIV CHINA GEOSCIENCES BEIJING
4 patentsUS10442976B1Oct 15, 2019
Oil-soluble coated particle flow modifier for fractured-vuggy carbonate reservoir and preparation method and use thereof
UNIV CHINA GEOSCIENCES BEIJING13 citations82
US10081604B1Sep 25, 2018
Imidazoline compound, mobility control system, plugging agent for gas channeling, and method for carbon dioxide flooding
UNIV CHINA GEOSCIENCES BEIJING2 citations71
US10189790B1Jan 29, 2019
Imidazoline compound, mobility control system, plugging agent for gas channeling, and method for carbon dioxide flooding
UNIV CHINA GEOSCIENCES BEIJING0 citations51
US10119065B2Nov 6, 2018
Composition for fracturing and displacement and method for fracturing and displacement of tight oil reservoir
UNIV CHINA GEOSCIENCES BEIJING0 citations50