Pdc cutter with unique microstructure
US-2024425736-A1 · Dec 26, 2024 · US
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China Nat Petroleum Corp patents in 2024
China Nat Petroleum Corp was listed as an assignee on 50 patent publications in 2024.
| Metric | Value |
|---|---|
| Company | China Nat Petroleum Corp |
| Year | 2024 |
| Patents | 50 |
Patents
Representative publications for China Nat Petroleum Corp in 2024.
Degradable friction reducer for hydraulic fracturing treatments
US-2024409805-A1 · Dec 12, 2024 · US
pH-responsive nano-gel plugging material, and preparation method therefor and use thereof
US-12146095-B2 · Nov 19, 2024 · US
Method and apparatus for inverting formation wave impedance using das borehole seismic data
US-2024377549-A1 · Nov 14, 2024 · US
Frac plug device with an anchor mandrel assembly for a locked set configuration
US-12139994-B2 · Nov 12, 2024 · US
Top CPC classifications
Most common classification codes for China Nat Petroleum Corp in 2024.
| CPC | Patents |
|---|---|
| C09K8/68 | 14 |
| C09K8/88 | 9 |
| C09K2208/28 | 8 |
| E21B43/26 | 8 |
| C09K2208/10 | 7 |
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