Calfrac Well Services Ltd - Company Profile
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View up-to-date information on Calfrac Well Services Ltd patents, including inventor and filing insights.
Patent Trends
| Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
|---|---|---|---|---|
| CA2816025C | Grant | Hybrid lpg frac | E21B43/2605; E21B43/267 | January 26, 2021 |
| CA2836139C | Grant | Vapor hood for a proppant blender | B01F23/53; B01F25/64; B01F35/189; C09K8/80 | January 12, 2021 |
| CA2807423C | Grant | Pressure balancing proppant addition method and apparatus | E21B43/267 | June 11, 2019 |
| CA2776974C | Grant | Inert gas supply equipment for oil and gas well operations | E21B43/2605; E21B43/2607 | September 05, 2017 |
| CA2649203C | Grant | Proppant addition system and method | E21B43/267 | May 23, 2017 |
Top Inventors by Filings (Count by publication)
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