Pressure controlled multi-shift frac sleeve system
US-9394777-B2 · Jul 19, 2016 · US
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Cnpc Usa Corp patents in 2016
Cnpc Usa Corp was listed as an assignee on 4 patent publications in 2016.
| Metric | Value |
|---|---|
| Company | Cnpc Usa Corp |
| Year | 2016 |
| Patents | 4 |
Patents
Representative publications for Cnpc Usa Corp in 2016.
System and method for setting a completion tool
US-9376877-B2 · Jun 28, 2016 · US
Polycrystalline diamond compact cutter
US-2016097242-A1 · Apr 7, 2016 · US
Method of testing a polycrystalline diamond compact cutter
US-2016097702-A1 · Apr 7, 2016 · US
Top CPC classifications
Most common classification codes for Cnpc Usa Corp in 2016.
| CPC | Patents |
|---|---|
| C22C26/00 | 1 |
| E21B10/56 | 1 |
| E21B10/567 | 1 |
| E21B10/573 | 1 |
| E21B10/62 | 1 |
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