Compositions of hydraulic fracturing fluid and method thereof
US-2020369952-A1 · Nov 26, 2020 · US
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Cnpc Usa Corp patents in 2020
Cnpc Usa Corp was listed as an assignee on 22 patent publications in 2020.
| Metric | Value |
|---|---|
| Company | Cnpc Usa Corp |
| Year | 2020 |
| Patents | 22 |
Patents
Representative publications for Cnpc Usa Corp in 2020.
High density and high temperature emulsifier for use in an oil based drilling fluid system
US-10829680-B2 · Nov 10, 2020 · US
Tool assembly with a fluidic agitator and a coating
US-10830020-B2 · Nov 10, 2020 · US
Polycrystalline diamond cutter with improved geometry for cooling and cutting evacuation and efficiency and durability
US-2020340303-A1 · Oct 29, 2020 · US
Method for a fracturing fluid system at high temperatures
US-10815419-B2 · Oct 27, 2020 · US
Top CPC classifications
Most common classification codes for Cnpc Usa Corp in 2020.
| CPC | Patents |
|---|---|
| C09K8/685 | 5 |
| E21B43/267 | 5 |
| C09K2208/10 | 4 |
| C09K8/602 | 4 |
| C09K8/665 | 4 |
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