Managed pressure drilling system having well control mode
US-10329860-B2 · Jun 25, 2019 · US
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Grayson Michael Brian patents
Grayson Michael Brian is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Grayson Michael Brian |
| Total patents | 7 |
| First publication | Feb 2, 2016 |
| Latest publication | Jun 25, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Downhole isolation valve
US-10107075-B2 · Oct 23, 2018 · US
Managed pressure cementing
US-9951600-B2 · Apr 24, 2018 · US
Managed pressure drilling system having well control mode
US-2017145764-A1 · May 25, 2017 · US
Downhole isolation valve
US-2016281465-A1 · Sep 29, 2016 · US
Managed pressure cementing
US-2016145995-A1 · May 26, 2016 · US
Managed pressure cementing
US-9249646-B2 · Feb 2, 2016 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Weatherford Tech Holdings Llc | 5 |
| Weatherford Technology Holdings Llc | 2 |
| Weatherford Lamb | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B33/13 | 3 |
| E21B33/14 | 3 |
| E21B33/143 | 3 |
| E21B47/0005 | 3 |
| E21B33/165 | 3 |