Grout free fiber enhanced composite liner steel tube for ccus and water injection
US-2025367911-A1 · Dec 4, 2025 · US
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Cnpc Usa Corp patents in 2025
Cnpc Usa Corp was listed as an assignee on 41 patent publications in 2025.
| Metric | Value |
|---|---|
| Company | Cnpc Usa Corp |
| Year | 2025 |
| Patents | 41 |
Patents
Representative publications for Cnpc Usa Corp in 2025.
Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids
US-2025362215-A1 · Nov 27, 2025 · US
Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids
US-2025354909-A1 · Nov 20, 2025 · US
Boronized corrosion resistant alloy component for high pressure and high temperature oilfield applications
US-12467123-B2 · Nov 11, 2025 · US
Toe flap valve for internal corrosion prevention in ccus injection well tubing
US-2025327371-A1 · Oct 23, 2025 · US
Top CPC classifications
Most common classification codes for Cnpc Usa Corp in 2025.
| CPC | Patents |
|---|---|
| C09K8/68 | 10 |
| C09K8/80 | 8 |
| E21B43/26 | 7 |
| C09K8/426 | 6 |
| E21B2200/08 | 6 |
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