| 10907421 |
Drill string applications tool |
Ford Douglas Creighton, Robert MacDonald |
2021-02-02 |
| 10662767 |
Controlled pressure pulser for coiled tubing applications |
Robert MacDonald, Benjamin Jennings |
2020-05-26 |
| 10633968 |
Controlled pressure pulser for coiled tubing measurement while drilling applications |
Robert MacDonald |
2020-04-28 |
| 10001573 |
Borehole flow modulator and inverted seismic source generating system |
David John Kusko, Daniel Maurice Lerner |
2018-06-19 |
| 9920886 |
Hydroelectric control valve for remote locations |
David John Kusko, Daniel Maurice Lerner |
2018-03-20 |
| 9822635 |
Controlled pressure pulser for coiled tubing applications |
Robert MacDonald, Benjamin Jennings |
2017-11-21 |
| 9702204 |
Controlled pressure pulser for coiled tubing measurement while drilling applications |
Robert MacDonald |
2017-07-11 |
| 9581267 |
Hydroelectric control valve for remote locations |
David John Kusko, Daniel Maurice Lerner |
2017-02-28 |
| 9309762 |
Controlled full flow pressure pulser for measurement while drilling (MWD) device |
Robert MacDonald, Benjamin Jennings |
2016-04-12 |
| 9133664 |
Controlled pressure pulser for coiled tubing applications |
Robert MacDonald, Benjamin Jennings |
2015-09-15 |
| 9013957 |
Full flow pulser for measurement while drilling (MWD) device |
Benjamin Jennings |
2015-04-21 |
| 8720572 |
High pressure fast response sealing system for flow modulating devices |
Daniel Maurice Lerner, David John Kusko |
2014-05-13 |
| 8138943 |
Measurement while drilling pulser with turbine power generation unit |
David John Kusko, Daniel Maurice Lerner |
2012-03-20 |
| 7958952 |
Pulse rate of penetration enhancement device and method |
David John Kusko, Daniel Maurice Lerner |
2011-06-14 |
| 7836948 |
Flow hydraulic amplification for a pulsing, fracturing, and drilling (PFD) device |
David John Kusko, Daniel Maurice Lerner |
2010-11-23 |