loadpatents
Patent applications and USPTO patent grants for Schmidt; James W..The latest application filed is for "multi-stage well isolation".
Patent | Date |
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Apparatus and method for opening and closing in multiple cycles a downhole sleeve using an intervention tool Grant 10,648,274 - Hughes , et al. | 2020-05-12 |
Apparatus and method for locating and setting a tool in a profile Grant 10,648,323 - Hughes , et al. | 2020-05-12 |
Multi-stage well isolation Grant 10,584,562 - Hughes , et al. | 2020-03-10 |
Multi-stage Well Isolation App 20180252074 - Hughes; John ;   et al. | 2018-09-06 |
Apparatus And Method For Opening And Closing In Multiple Cycles A Downhole Sleeve Using An Intervention Tool App 20180238137 - Hughes; John ;   et al. | 2018-08-23 |
Multi-stage Well Isolation And Fracturing App 20180238142 - Hughes; John ;   et al. | 2018-08-23 |
Multi-stage well isolation Grant 9,995,111 - Hughes , et al. June 12, 2 | 2018-06-12 |
Apparatus And Method For Locating And Setting A Tool In A Profile App 20180038221 - Hughes; John ;   et al. | 2018-02-08 |
Multi-stage Well Isolation And Fracturing App 20170051574 - Hughes; John ;   et al. | 2017-02-23 |
Multi-stage Well Isolation And Fracturing App 20150330185 - HUGHES; John ;   et al. | 2015-11-19 |
Multi-stage Well Isolation App 20150285025 - Hughes; John ;   et al. | 2015-10-08 |
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