| 9715031 |
Data retrieval device for downhole to surface telemetry systems |
Gaelle Jannin, Erwann Lemenager, James G. Filas |
2017-07-25 |
| 8773278 |
Apparatus for receiving and transmitting signals in electromagnetic telemetry system used in a wellbore |
Yves Mathieu, Erwann Lemenager, Juergen J. Zach |
2014-07-08 |
| 8711045 |
Downhole telemetry system |
Erwann Lemenager, Yves Mathieu, Sylvain Chambon |
2014-04-29 |
| 7543641 |
System and method for controlling wellbore pressure during gravel packing operations |
— |
2009-06-09 |
| 7510001 |
Downhole actuation tools |
Christian C. Spring, Kenneth R. Goodman, Samuel Tissot, Michael J. Bertoja |
2009-03-31 |
| 7337850 |
System and method for controlling actuation of tools in a wellbore |
— |
2008-03-04 |
| 7296624 |
Pressure control apparatus and method |
Vincent Rodet, Ian Murley, Samuel Tocalino |
2007-11-20 |
