Inventor · disambiguated record
Rongchao Cheng
Also filed as: CHENG RONGCHAO
5 granted patents·3 pending applications·1 citations·filing 2021–2024
61Inventor score
Files withUNIV CHINA PETROLEUM BEIJING4CHINA NAT PETROLEUM CORP2CNPC USA CORP1UNIV CHINA PETROLEUM EAST CHINA1
Top patents by PatentIndex Score
8 records- 0185US11686190B24D quantitative and intelligent diagnosis method and system for spatio-temporal evolution of oil-gas reservoir damage types and extentUNIV CHINA PETROLEUM BEIJING·Filed 2022·Granted Jun 27, 2023·1 cites·17 claims
- 0270US12146095B2pH-responsive nano-gel plugging material, and preparation method therefor and use thereofCHINA NAT PETROLEUM CORP·Filed 2023·Granted Nov 19, 2024·0 cites·13 claims
- 0367US12043742B2Oil-soluble thermosensitive resin lost circulation material for protecting a reservoir as well as preparation method and application thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Jul 23, 2024·0 cites·7 claims
- 0465US11578251B2Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluidUNIV CHINA PETROLEUM BEIJING·Filed 2022·Granted Feb 14, 2023·0 cites·4 claims
- 0561US2024360354A1Nanoemulsion and method for preparation thereof, and high-temperature-resistant, high-density, oil-based well completion fluid and application thereofCHINA NAT PETROLEUM CORP·Filed 2024·Application pending·0 cites
- 0660US2022049148A1Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluidUNIV CHINA PETROLEUM BEIJING·Filed 2021·Application pending·0 cites
- 0755US11787990B2Bionic and dual-phobic high-performance water-based drilling fluidUNIV CHINA PETROLEUM BEIJING·Filed 2022·Granted Oct 17, 2023·0 cites·19 claims
- 0841US2024003205A1Reducing loss circulation during well-drilling operationsCNPC USA CORP·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →