Systems and methods to inhibit packoff formation during drilling assembly removal from a wellbore
US-9291019-B2 · Mar 22, 2016 · US
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Valsecchi Pietro patents in 2016
Valsecchi Pietro was listed as an assignee on 2 patent publications in 2016.
| Metric | Value |
|---|---|
| Company | Valsecchi Pietro |
| Year | 2016 |
| Patents | 2 |
Patents
Representative publications for Valsecchi Pietro in 2016.
Top CPC classifications
Most common classification codes for Valsecchi Pietro in 2016.
| CPC | Patents |
|---|---|
| E21B21/00 | 2 |
| E21B21/10 | 2 |
| E21B23/04 | 2 |
| E21B31/03 | 2 |
| E21B31/107 | 2 |
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