CO2 chemical reaction viscosity-increasing type polymer surfactant for gas channeling control during CO2 flooding in offshore heavy oil reservoirs, preparation method therefor and use thereof
US-12410271-B1 · Sep 9, 2025 · US
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Univ Sichuan — Fixed Constructions
Univ Sichuan holds 56 patents in Fixed Constructions, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Univ Sichuan |
| Technology | Fixed Constructions |
| Patents in slice | 56 |
| Recent patents in slice | 26 |
| First year | 2015 |
| Last year | 2025 |
Representative patents
Notable publications linking Univ Sichuan to Fixed Constructions.
CO2 chemical reaction viscosity-increasing type polymer surfactant for gas channeling control during CO2 flooding in offshore heavy oil reservoirs, preparation method therefor and use thereof
US-12410271-B1 · Sep 9, 2025 · US
Magnetic flux leakage and electromagnetic acoustic transducer joint testing device and method for drill pipe at wellhead
US-12339250-B2 · Jun 24, 2025 · US
Magnetic flux leakage and electromagnetic acoustic transducer joint testing device and method for drill pipe at wellhead
US-2025164444-A1 · May 22, 2025 · US
Rolling and sliding adaptive device for guiding and fixing drill pipe
US-12252942-B2 · Mar 18, 2025 · US
Recent filings
Latest patents from Univ Sichuan in Fixed Constructions.
CO2 chemical reaction viscosity-increasing type polymer surfactant for gas channeling control during CO2 flooding in offshore heavy oil reservoirs, preparation method therefor and use thereof
US-12410271-B1 · Sep 9, 2025 · US
CO2 chemical reaction viscosity-increasing type polymer surfactant for gas channeling control during CO2 flooding in offshore heavy oil reservoirs, preparation method therefor and use thereof
US-12410271-B1 · Sep 9, 2025 · US
Magnetic flux leakage and electromagnetic acoustic transducer joint testing device and method for drill pipe at wellhead
US-12339250-B2 · Jun 24, 2025 · US
Magnetic flux leakage and electromagnetic acoustic transducer joint testing device and method for drill pipe at wellhead
US-2025164444-A1 · May 22, 2025 · US
Rolling and sliding adaptive device for guiding and fixing drill pipe
US-12252942-B2 · Mar 18, 2025 · US
Related pages
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